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Zeng Z, Li L, Tao J, Liu J, Li H, Qian X, Yang Z, Zhu H. [ 177Lu]Lu-labeled anti-claudin-18.2 antibody demonstrated radioimmunotherapy potential in gastric cancer mouse xenograft models. Eur J Nucl Med Mol Imaging 2024; 51:1221-1232. [PMID: 38062170 DOI: 10.1007/s00259-023-06561-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/01/2023] [Indexed: 03/22/2024]
Abstract
PURPOSE Gastric cancer (GC), one of the most prevalent and deadliest tumors worldwide, is often diagnosed at an advanced stage with limited treatment options and poor prognosis. The development of a CLDN18.2-targeted radioimmunotherapy probe is a potential treatment option for GC. METHODS The CLDN18.2 antibody TST001 (provided by Transcenta) was conjugated with DOTA and radiolabeled with the radioactive nuclide 177Lu. The specificity and targeting ability were evaluated by cell uptake, imaging and biodistribution experiments. In BGC823CLDN18.2/AGSCLDN18.2 mouse models, the efficacy of [177Lu]Lu-TST001 against CLDN18.2-expressing tumors was demonstrated, and toxicity was evaluated by H&E staining and blood sample testing. RESULTS [177Lu]Lu-TST001 was labeled with an 99.17%±0.32 radiochemical purity, an 18.50 ± 1.27 MBq/nmol specific activity and a stability of ≥ 94% after 7 days. It exhibited specific and high tumor uptake in CLDN18.2-positive xenografts of GC mouse models. Survival studies in BGC823CLDN18.2 and AGSCLDN18.2 tumor-bearing mouse models indicated that a low dose of 5.55 MBq and a high dose of 11.10 MBq [177Lu]Lu-TST001 significantly inhibited tumor growth compared to the saline control group, with the 11.1 MBq group showing better therapeutic efficacy. Histological staining with hematoxylin and eosin (H&E) and Ki67 immunohistochemistry of residual tissues confirmed tumor tissue destruction and reduced tumor cell proliferation following treatment. H&E showed that there was no significant short-term toxicity observed in the heart, spleen, stomach or other important organs when treated with a high dose of [177Lu]Lu-TST001, and no apparent hematotoxicity or liver toxicity was observed. CONCLUSION In preclinical studies, [177Lu]Lu-TST001 demonstrated significant antitumor efficacy with acceptable toxicity. It exhibits strong potential for clinical translation, providing a new promising treatment option for CLDN18.2-overexpressing tumors, including GC.
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Affiliation(s)
- Ziqing Zeng
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Peking University Cancer Hospital & Institute, Beijing, 100142, China
| | - Liqiang Li
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Peking University Cancer Hospital & Institute, Beijing, 100142, China
| | - Jinping Tao
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Peking University Cancer Hospital & Institute, Beijing, 100142, China
| | - Jiayue Liu
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Peking University Cancer Hospital & Institute, Beijing, 100142, China
| | - Hongjun Li
- Suzhou Transcenta Therapeutics Co., Ltd, Suzhou, Jiangsu, 215127, China
| | - Xueming Qian
- Suzhou Transcenta Therapeutics Co., Ltd, Suzhou, Jiangsu, 215127, China
| | - Zhi Yang
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Peking University Cancer Hospital & Institute, Beijing, 100142, China.
| | - Hua Zhu
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Peking University Cancer Hospital & Institute, Beijing, 100142, China.
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Jang YJ, Lim SM, Lee I, Byun BH, Lim I, Kim BI, Choi CW, Lee SS, Suh C, Yoon DH, Kim I, Nam SH, Lee MH, Won JH, Kong JH, Jeong SH, Oh SJ, Park KW, Han JJ, Song MK, Yang SH, Na II, Lee HR, Shin DY, Kang HJ. Radioimmunotherapy with 131 I-rituximab for patients with relapsed or refractory follicular or mantle cell lymphoma. Asia Pac J Clin Oncol 2023; 19:690-696. [PMID: 36915956 DOI: 10.1111/ajco.13932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/27/2022] [Accepted: 01/04/2023] [Indexed: 03/15/2023]
Abstract
AIM This study aimed to evaluate the safety and efficacy of 131 I-rituximab in patients with relapsed or refractory follicular or mantle cell lymphoma. METHODS Twenty-four patients with relapsed or refractory follicular or mantle cell lymphoma were administered unlabeled rituximab (70 mg) immediately before receiving a therapeutic dose of 131 I-rituximab. Contrast-enhanced 18F-fluorodeoxyglucose positron emission tomography/computed tomography was used a month later to assess tumor response. RESULTS This study enrolled 24 patients between June 2012 and 2022. Depending on how they responded to radioimmunotherapy (RIT), 131 I-rituximab was administered one to five times. Of the 24 patients, 9 achieved complete response after RIT and 8 achieved partial response. The median progression-free and overall survival was 5.9 and 37.9 months, respectively. During the follow-up period of 64.2 months, three patients were diagnosed with a secondary malignancy. Among treatment-related adverse events, hematologic toxicities were common, and grade 3-4 thrombocytopenia and neutropenia were reported in 66.6% of cases. CONCLUSION 131 I-rituximab has an effective and favorable safety profile in patients with relapsed or refractory follicular lymphoma and mantle cell lymphoma. This suggests that RIT may also be considered a treatment option for patients with relapsed or refractory follicular lymphoma and mantle cell lymphoma.
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Affiliation(s)
- Yoon Jung Jang
- Department of Hematology and Oncology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Sang Moo Lim
- Department of Nuclear Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Inki Lee
- Department of Nuclear Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Byung Hyun Byun
- Department of Nuclear Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Ilhan Lim
- Department of Nuclear Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Byung Il Kim
- Department of Nuclear Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Chang Woon Choi
- Department of Nuclear Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Seung-Sook Lee
- Department of Pathology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Cheolwon Suh
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Dok Hyun Yoon
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Inho Kim
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Seung-Hyun Nam
- Division of Hematology-Oncology, Department of Internal Medicine, Kyung Hee University at Gangdong, Seoul, Republic of Korea
| | - Mark Hong Lee
- Department of Internal Medicine, Konkuk University Medical Center, Seoul, Republic of Korea
| | - Jong Ho Won
- Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Seoul, Republic of Korea
| | - Jee Hyun Kong
- Division of Oncology and Hematology, Department of Internal Medicine, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea
| | - Seong Hyun Jeong
- Department of Hematology-Oncology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Suk Joong Oh
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Keon Woo Park
- Department of Internal Medicine, Dankook University, College of Medicine, Cheonan, Republic of Korea
| | - Jae Joon Han
- Division of Medical Oncology-Hematology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Republic of Korea
| | - Moo-Kon Song
- Division of Hematology-Oncology, Department of Medicine, Hanyang University Changwon Hanmaeum Hospital, Changwon, Republic of Korea
| | - Sung Hyun Yang
- Department of Hematology and Oncology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Im Il Na
- Department of Hematology and Oncology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Hyo-Rak Lee
- Department of Hematology and Oncology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Dong-Yeop Shin
- Department of Hematology and Oncology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hye Jin Kang
- Department of Hematology and Oncology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
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Chung SK, Vargas DB, Chandler CS, Katugampola S, Veach DR, McDevitt MR, Seo SH, Vaughn BA, Rinne SS, Punzalan B, Patel M, Xu H, Guo HF, Zanzonico PB, Monette S, Yang G, Ouerfelli O, Nash GM, Cercek A, Fung EK, Howell RW, Larson SM, Cheal SM, Cheung NKV. Efficacy of HER2-Targeted Intraperitoneal 225Ac α-Pretargeted Radioimmunotherapy for Small-Volume Ovarian Peritoneal Carcinomatosis. J Nucl Med 2023; 64:1439-1445. [PMID: 37348919 PMCID: PMC10478816 DOI: 10.2967/jnumed.122.265095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 04/14/2023] [Indexed: 06/24/2023] Open
Abstract
Epithelial ovarian cancer (EOC) is often asymptomatic and presents clinically in an advanced stage as widespread peritoneal microscopic disease that is generally considered to be surgically incurable. Targeted α-therapy with the α-particle-emitting radionuclide 225Ac (half-life, 9.92 d) is a high-linear-energy-transfer treatment approach effective for small-volume disease and even single cells. Here, we report the use of human epidermal growth factor receptor 2 (HER2) 225Ac-pretargeted radioimmunotherapy (PRIT) to treat a mouse model of human EOC SKOV3 xenografts growing as peritoneal carcinomatosis (PC). Methods: On day 0, 105 SKOV3 cells transduced with a luciferase reporter gene were implanted intraperitoneally in nude mice, and tumor engraftment was verified by bioluminescent imaging (BLI). On day 15, treatment was started using 1 or 2 cycles of 3-step anti-HER2 225Ac-PRIT (37 kBq/cycle as 225Ac-Proteus DOTA), separated by a 1-wk interval. Efficacy and toxicity were monitored for up to 154 d. Results: Untreated PC-tumor-bearing nude mice showed a median survival of 112 d. We used 2 independent measures of response to evaluate the efficacy of 225Ac-PRIT. First, a greater proportion of the treated mice (9/10 1-cycle and 8/10 2-cycle; total, 17/20; 85%) survived long-term compared with controls (9/27, 33%), and significantly prolonged survival was documented (log-rank [Mantel-Cox] P = 0.0042). Second, using BLI, a significant difference in the integrated BLI signal area to 98 d was noted between controls and treated groups (P = 0.0354). Of a total of 8 mice from the 2-cycle treatment group (74 kBq total) that were evaluated by necropsy, kidney radiotoxicity was mild and did not manifest itself clinically (normal serum blood urea nitrogen and creatinine). Dosimetry estimates (relative biological effectiveness-weighted dose, where relative biological effectiveness = 5) per 37 kBq administered for tumors and kidneys were 56.9 and 16.1 Gy, respectively. One-cycle and 2-cycle treatments were equally effective. With immunohistology, mild tubular changes attributable to α-toxicity were observed in both therapeutic groups. Conclusion: Treatment of EOC PC-tumor-bearing mice with anti-HER2 225Ac-PRIT resulted in histologic cures and prolonged survival with minimal toxicity. Targeted α-therapy using the anti-HER2 225Ac-PRIT system is a potential treatment for otherwise incurable EOC.
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Affiliation(s)
- Sebastian K Chung
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | | | | | - Sumudu Katugampola
- Division of Radiation Research, Department of Radiology and Center for Cell Signaling, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - Darren R Veach
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Weill Cornell Medicine, New York, New York
| | - Michael R McDevitt
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Weill Cornell Medicine, New York, New York
| | - Shin H Seo
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Brett A Vaughn
- Department of Radiology, Weill Cornell Medicine, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sara S Rinne
- Department of Radiology, Weill Cornell Medicine, New York, New York
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Blesida Punzalan
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Mitesh Patel
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hong Xu
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hong-Fen Guo
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Pat B Zanzonico
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sébastien Monette
- Laboratory of Comparative Pathology, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and Rockefeller University, New York, New York; and
| | - Guangbin Yang
- Organic Synthesis Core Facility, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ouathek Ouerfelli
- Organic Synthesis Core Facility, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Garrett M Nash
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Andrea Cercek
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Edward K Fung
- Department of Radiology, Weill Cornell Medicine, New York, New York
| | - Roger W Howell
- Division of Radiation Research, Department of Radiology and Center for Cell Signaling, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - Steven M Larson
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Weill Cornell Medicine, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sarah M Cheal
- Department of Radiology, Weill Cornell Medicine, New York, New York;
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nai-Kong V Cheung
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
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Bravo MG, Egorova BV, Vasiliev AN, Lapshina EV, Ermolaev SV, Durymanov MO. DTPA(DOTA)-Nimotuzumab Radiolabeling with Generator-produced Thorium for Radioimmunotherapy of EGFR-overexpressing Carcinomas. Curr Radiopharm 2023; 16:233-242. [PMID: 36809934 DOI: 10.2174/1874471016666230221102518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 02/24/2023]
Abstract
INTRODUCTION The feasibility of preparing the "in-house" generators and the Th- DTPA(DOTA)-Nimotuzumab radioimmunoconjugate was evaluated. 226Th is perspective for TAT, however, due to short half-life it is preferable to apply this radionuclide for readily available epithelial malignancies. Nimotuzumab being specific for EGFR expressing cells as a targeting moiety is considered to be suitable for thorium delivery. METHODS TEVA extraction chromatographic resin and anion exchange resin AG 1x8 were used as sorbents for 226Th generator. In order to determine features of labeling by Th4+ we applied 234Th as a longer-lived analog of short-lived 226Th and the immunoconjugates DTPA(DOTA)-Nimotuzumab were used for radiolabeling. RESULTS The generator on the base of TEVA resin has shown higher volume activity of the product compared to the AG 1x8. The 226Th volume concentration was up to 80%/mL. The radiolabeling of BFCA by thorium radioisotopes reached 95% at the MR(Th:p-SCN-Bn-DTPA) = 1:100 and 86% for MR(Th:p-SCN-Bn-DOTA) = 1:5000 at 90°C. The procedure of Nimotuzumab labeling with Th4+ for radiotherapy of EGFR-overexpressing carcinomas was established. The overall labeling yield in both radioimmunoconjugates - DTPA and DOTA functionalized - was in the range of 45-50%. The immunoconjugate Nimotuzumab-p-SCN-Bn-DTPA was obtained with a molar ratio 1:25 (Nimotuzumab: BFCA), within 1 hour of conjugation at 25°C and labelled via postconjugation approach. Whereas Nimotuzumab-p-SCN-Bn-DOTA was obtained at the same conditions, but radiolabeled by the method of pre-conjugation. CONCLUSION Thorium-234 incorporation into both radioimmunoconjugates reached 45-50%. It has been shown that Th-DTPA-Nimotuzumab radioimmunoconjugate specifically bound with EGFR overexpressing epidermoid carcinoma A431 cells.
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Affiliation(s)
- Magdiel G Bravo
- Department of Chemistry, Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, 119991, Russia
- The Center of Isotopes (CENTIS), Ave. Monumental y Carretera La Rada, Km 3 1/2, CP 32700, San Jose de las Lajas, Mayabeque, Republic of Cuba
| | - Bayirta V Egorova
- Department of Chemistry, Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, 119991, Russia
| | - Aleksandr N Vasiliev
- Department of Chemistry, Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, 119991, Russia
- Institute for Nuclear Research of Russian Academy of Sciences, 60th October Anniversary Prospect, 7a, Moscow, 117312, Russia
| | - Elena V Lapshina
- Institute for Nuclear Research of Russian Academy of Sciences, 60th October Anniversary Prospect, 7a, Moscow, 117312, Russia
| | - Stanislav V Ermolaev
- Institute for Nuclear Research of Russian Academy of Sciences, 60th October Anniversary Prospect, 7a, Moscow, 117312, Russia
| | - Mikhail O Durymanov
- Department of Biophysics Moscow Institute of Physics and Technology, 9 Institutsky per., Dolgoprudny, Moscow Region, 141700, Russia
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Cheal SM, Chung SK, Vaughn BA, Cheung NKV, Larson SM. Pretargeting: A Path Forward for Radioimmunotherapy. J Nucl Med 2022; 63:1302-1315. [PMID: 36215514 DOI: 10.2967/jnumed.121.262186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/07/2022] [Indexed: 12/19/2022] Open
Abstract
Pretargeted radioimmunodiagnosis and radioimmunotherapy aim to efficiently combine antitumor antibodies and medicinal radioisotopes for high-contrast imaging and high-therapeutic-index (TI) tumor targeting, respectively. As opposed to conventional radioimmunoconjugates, pretargeted approaches separate the tumor-targeting step from the payload step, thereby amplifying tumor uptake while reducing normal-tissue exposure. Alongside contrast and TI, critical parameters include antibody immunogenicity and specificity, availability of radioisotopes, and ease of use in the clinic. Each of the steps can be optimized separately; as modular systems, they can find broad applications irrespective of tumor target, tumor type, or radioisotopes. Although this versatility presents enormous opportunity, pretargeting is complex and presents unique challenges for clinical translation and optimal use in patients. The purpose of this article is to provide a brief historical perspective on the origins and development of pretargeting strategies in nuclear medicine, emphasizing 2 protein delivery systems that have been extensively evaluated (i.e., biotin-streptavidin and hapten-bispecific monoclonal antibodies), as well as radiohaptens and radioisotopes. We also highlight recent innovations, including pretargeting with bioorthogonal chemistry and novel protein vectors (such as self-assembling and disassembling proteins and Affibody molecules). We caution the reader that this is by no means a comprehensive review of the past 3 decades of pretargeted radioimmunodiagnosis and pretargeted radioimmunotherapy. But we do aim to highlight major developmental milestones and to identify benchmarks for success with regard to TI and toxicity in preclinical models and clinically. We believe this approach will lead to the identification of key obstacles to clinical success, revive interest in the utility of radiotheranostics applications, and guide development of the next generation of pretargeted theranostics.
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Affiliation(s)
- Sarah M Cheal
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York;
| | - Sebastian K Chung
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Brett A Vaughn
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nai-Kong V Cheung
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York; and
| | - Steven M Larson
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
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Chandler CS, Bell MM, Chung SK, Veach DR, Fung EK, Punzalan B, Burnes Vargas D, Patel M, Xu H, Guo HF, Santich BH, Zanzonico PB, Monette S, Nash GM, Cercek A, Jungbluth A, Pandit-Taskar N, Cheung NKV, Larson SM, Cheal SM. Intraperitoneal Pretargeted Radioimmunotherapy for Colorectal Peritoneal Carcinomatosis. Mol Cancer Ther 2022; 21:125-137. [PMID: 34667111 PMCID: PMC9157533 DOI: 10.1158/1535-7163.mct-21-0353] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/22/2021] [Accepted: 10/15/2021] [Indexed: 11/16/2022]
Abstract
Peritoneal carcinomatosis (PC) is considered incurable, and more effective therapies are needed. Herein we test the hypothesis that GPA33-directed intracompartmental pretargeted radioimmunotherapy (PRIT) can cure colorectal peritoneal carcinomatosis. Nude mice were implanted intraperitoneally with luciferase-transduced GPA33-expressing SW1222 cells for aggressive peritoneal carcinomatosis (e.g., resected tumor mass 0.369 ± 0.246 g; n = 17 on day 29). For GPA33-PRIT, we administered intraperitoneally a high-affinity anti-GPA33/anti-DOTA bispecific antibody (BsAb), followed by clearing agent (intravenous), and lutetium-177 (Lu-177) or yttrium-86 (Y-86) radiolabeled DOTA-radiohapten (intraperitoneal) for beta/gamma-emitter therapy and PET imaging, respectively. The DOTA-radiohaptens were prepared from S-2-(4-aminobenzyl)-1,4,7, 10-tetraazacyclododecane tetraacetic acid chelate (DOTA-Bn). Efficacy and toxicity of single- versus three-cycle therapy were evaluated in mice 26-27 days post-tumor implantation. Single-cycle treatment ([177Lu]LuDOTA-Bn 111 MBq; tumor dose: 4,992 cGy) significantly prolonged median survival (MS) approximately 2-fold to 84.5 days in comparison with controls (P = 0.007). With three-cycle therapy (once weekly, total 333 MBq; tumor dose: 14,975 cGy), 6/8 (75%) survived long-term (MS > 183 days). Furthermore, for these treated long-term survivors, 1 mouse was completely disease free (microscopic "cure") at necropsy; the others showed stabilized disease, which was detectable during PET-CT using [86Y]DOTA-Bn. Treatment controls had MS ranging from 42-52.5 days (P < 0.001) and 19/20 mice succumbed to progressive intraperitoneal disease by 69 days. Multi-cycle GPA33 DOTA-PRIT significantly prolongs survival with reversible myelosuppression and no chronic marrow (929 cGy to blood) or kidney (982 cGy) radiotoxicity, with therapeutic indices of 12 for blood and 12 for kidneys. MTD was not reached.
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Affiliation(s)
| | - Meghan M Bell
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sebastian K Chung
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Darren R Veach
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiology, Weill Cornell Medicine, New York, New York
| | - Edward K Fung
- Department of Radiology, Weill Cornell Medicine, New York, New York
| | - Blesida Punzalan
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Mitesh Patel
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hong Xu
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hong-Fen Guo
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Brian H Santich
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Pat B Zanzonico
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sébastien Monette
- Laboratory of Comparative Pathology, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York
| | - Garrett M Nash
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Andrea Cercek
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Achim Jungbluth
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Neeta Pandit-Taskar
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nai Kong V Cheung
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Steven M Larson
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sarah M Cheal
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York.
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Hecht M, Eckstein M, Rutzner S, von der Grün J, Illmer T, Klautke G, Laban S, Hautmann MG, Brunner TB, Tamaskovics B, Hinke A, Zhou JG, Frey B, Donaubauer AJ, Becker I, Semrau S, Hartmann A, Balermpas P, Budach W, Gaipl US, Iro H, Gostian AO, Fietkau R. Induction chemoimmunotherapy followed by CD8+ immune cell-based patient selection for chemotherapy-free radioimmunotherapy in locally advanced head and neck cancer. J Immunother Cancer 2022; 10:e003747. [PMID: 35078923 PMCID: PMC8796267 DOI: 10.1136/jitc-2021-003747] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/25/2021] [Indexed: 01/05/2023] Open
Abstract
PURPOSE The first aim of the trial is to study feasibility of combined programmed death protein ligand 1/cytotoxic T-lymphocyte-associated protein 4 inhibition concomitant to radiotherapy. In addition, efficacy of the entire treatment scheme consisting of induction chemoimmunotherapy followed by chemotherapy-free radioimmunotherapy (RIT) after intratumoral CD8 +immune cell-based patient selection will be analyzed. METHODS Patients with stage III-IVB head and neck squamous cell carcinoma were eligible for this multicenter phase II trial. Treatment consisted of a single cycle of cisplatin 30 mg/m² days 1-3, docetaxel 75 mg/m² day 1, durvalumab 1500 mg fix dose day 5 and tremelimumab 75 mg fix dose day 5. Patients with increased intratumoral CD8 +immune cell density or pathological complete response (pCR) in the rebiopsy entered RIT up to a total dose of 70 Gy. Patients received further three cycles of durvalumab/tremelimumab followed by eight cycles of durvalumab mono (every 4 weeks). The intended treatment for patients not meeting these criteria was standard radiochemotherapy outside the trial. Primary endpoint was a feasibility rate of patients entering RIT to receive treatment until at least cycle 6 of immunotherapy of ≥80%. RESULTS Between September 2018 and May 2020, 80 patients were enrolled (one excluded). Out of these, 23 patients had human papilloma virus (HPV)-positive oropharyngeal cancer. Median follow-up was 17.2 months. After induction chemoimmunotherapy 41 patients had pCR and 31 had increased intratumoral CD8 +immune cells. Of 60 patients entering RIT (primary endpoint cohort), 10 experienced imiting toxic (mainly hepatitis) and four discontinued for other reasons, resulting in a feasibility rate of 82%. The RIT cohort (n=60) had a progression-free survival (PFS) rate at one and 2 years of 78% and 72%, respectively, and an overall survival rate at one and 2 years of 90% and 84%, respectively. Patients with HPV-positive oropharyngeal cancers had greater benefit from RIT with a 2-year PFS rate of 94% compared with 64% for HPV-negative oropharyngeal cancers and other locations. In the entire study cohort (n=79) the 2-year PFS rate was 68% (91% for HPV-positive oropharynx vs 59% for others). Toxicity grade 3-4 mainly consisted of dysphagia (53%), leukopenia (52%) and infections (32%). CONCLUSIONS The trial met the primary endpoint feasibility of RIT. Induction chemo-immunotherapy followed by chemotherapy-free RIT after intratumoral CD8 +immune cell-based patient selection has promising PFS. TRIAL REGISTRATION NUMBER The trial was registered with ClinicalTrials.gov (identifier: NCT03426657). The trial was conducted as investigator-sponsored trial (IST).
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Affiliation(s)
- Markus Hecht
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Markus Eckstein
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Sandra Rutzner
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Jens von der Grün
- Department of Radiation Oncology, University Hospital Frankfurt, Goethe-Universitat Frankfurt am Main, Frankfurt am Main, Germany
| | - Thomas Illmer
- Private Praxis Oncology, Arnoldstraße, Dresden, Germany
| | - Gunther Klautke
- Department of Radiation Oncology, Chemnitz Hospital, Chemnitz, Germany
| | - Simon Laban
- Department of Otolaryngology - Head & Neck Surgery, Universität Ulm, Ulm, Germany
| | - Matthias G Hautmann
- Department of Radiotherapy, University Hospital Regensburg, Universität Regensburg, Regensburg, Germany
| | - Thomas B Brunner
- Department of Radiation Oncology, University Hospital Magdeburg, Otto von Guericke Universität Magdeburg, Magdeburg, Germany
| | - Bálint Tamaskovics
- Department of Radiation Oncology, University Hospital Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Dusseldorf, Germany
| | - Axel Hinke
- Clinical Cancer Research Consulting (CCRC), Düsseldorf, Germany
| | - Jian-Guo Zhou
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Benjamin Frey
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Anna-Jasmina Donaubauer
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Ina Becker
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Sabine Semrau
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Arndt Hartmann
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Panagiotis Balermpas
- Department of Radiation Oncology, University Hospital Frankfurt, Goethe-Universitat Frankfurt am Main, Frankfurt am Main, Germany
| | - Wilfried Budach
- Department of Radiation Oncology, University Hospital Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Dusseldorf, Germany
| | - Udo S Gaipl
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Heinrich Iro
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
- Department of Otolaryngology - Head & Neck Surgery, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Antoniu-Oreste Gostian
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
- Department of Otolaryngology - Head & Neck Surgery, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Rainer Fietkau
- Department of Radiation Oncology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
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Widjaja L, Derlin T, Ross TL, Bengel FM, Werner RA. Pretherapeutic estimated glomerular filtration rate predicts development of chronic kidney disease in patients receiving PSMA-targeted radioligand therapy. Prostate 2022; 82:86-96. [PMID: 34633090 DOI: 10.1002/pros.24250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/03/2021] [Accepted: 09/29/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Prostate-specific membrane antigen (PSMA)-targeted radioligand therapy (RLT) may be associated with renal toxicity. We aimed to identify predictive parameters for the development of chronic kidney disease (CKD) in patients with metastatic castration resistant prostate cancer (mCRPC) undergoing RLT. METHODS In 46 mCRPC patients scheduled for Lu-177-PSMA-RLT, pretherapeutic estimated glomerular filtration rate (eGFR [ml/min/1.73 m2 ]), Tc-99m-mercaptoacetyltriglycine (Tc-99m-MAG3) clearance and baseline Ga-68-PSMA-ligand positron emission tomography (PET)-derived renal cortical uptake and PSMA-tumor volume (TV) were determined. We tested the predictive capability of these parameters and clinical risk factors for the occurrence of CKD (defined as CTCAE vers. 5.0 grade 2 or higher) during follow-up. RESULTS After 4 ± 3 cycles of RLT average eGFR declined from 76 ± 17 to 72 ± 20 ml/min/1.73 m2 (p = 0.003). Increased estimated renal radiation dose (eRRD) was significantly associated with renal functional decline (p = 0.008). During follow-up, 16/46 (30.4%) developed CKD grade 2 (no grade 3 or higher). In receiver operating characteristic (ROC) analysis, pretherapeutic eGFR was highly accurate in identifying the occurrence of CKD vs no CKD with an area under the curve (AUC) of 0.945 (p < 0.001; best threshold, 77 ml/min/1.73 m2 ), followed by Tc-99m-MAG3-derived tubular extraction rate (TER; AUC, 0.831, p < 0.001; best threshold, 200 ml/min/1.73 m2 ). Renal PET signal (p = 0.751) and PSMA-TV (p = 0.942), however, were not predictive. Kaplan-Meier analyses revealed adverse renal outcome for patients with lower eGFR (p = 0.001) and lower scintigraphy-derived TER (p = 0.009), with pretherapeutic eGFR emerging as the sole predictive parameter in multivariate analysis (p = 0.007). CONCLUSION Serious adverse renal events are not a frequent phenomenon after PSMA-targeted RLT. However, in patients developing moderate CKD after RLT, pretherapeutic eGFR is an independent predictor for renal impairment during follow-up.
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Affiliation(s)
- Liam Widjaja
- Department of Nuclear Medicine Medical School Hannover, Hannover, Germany
| | - Thorsten Derlin
- Department of Nuclear Medicine Medical School Hannover, Hannover, Germany
| | - Tobias L Ross
- Department of Nuclear Medicine Medical School Hannover, Hannover, Germany
| | - Frank M Bengel
- Department of Nuclear Medicine Medical School Hannover, Hannover, Germany
| | - Rudolf A Werner
- Department of Nuclear Medicine Medical School Hannover, Hannover, Germany
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Huguet F, Durand B, Atallah S, Prébet C, Richard S, Baujat B. Combination of radiation therapy-immunotherapy for head and neck cancers: Promises kept? Cancer Radiother 2021; 25:811-815. [PMID: 34711485 DOI: 10.1016/j.canrad.2021.08.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 12/24/2022]
Abstract
Chemoradiotherapy with concurrent cisplatin has been the standard treatment for locally advanced head and neck squamous cell carcinoma (HNSCC) for over 20 years. Recently, immunotherapy, a new therapeutic class, has emerged for patients with recurrent or metastatic HNSCC and has significantly extended their survival. Will it bring the same benefit to patients with localized tumors? There is a strong rationale for combining radiation therapy and checkpoint inhibitors for HNSCC. Indeed, radiation therapy can have both immunostimulatory and immunomodulatory effects. This is what explains the famous abscopal effect. The aim of this review is to present the data available on the combination of radiation therapy and immunotherapy for HNSCC.
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Affiliation(s)
- F Huguet
- Service d'Oncologie Radiothérapie, Hôpital Tenon, 4, rue de la Chine, 75020 Paris, France.
| | - B Durand
- Service d'Oncologie Radiothérapie, Hôpital Tenon, 4, rue de la Chine, 75020 Paris, France
| | - S Atallah
- Service d'Oto-Rhino-Laryngologie Chirurgie cervico-faciale, France
| | - C Prébet
- Service d'Oncologie Médicale, Hôpital Tenon, Sorbonne Université, AP-HP, Paris, France
| | - S Richard
- Service d'Oncologie Médicale, Hôpital Tenon, Sorbonne Université, AP-HP, Paris, France
| | - B Baujat
- Service d'Oto-Rhino-Laryngologie Chirurgie cervico-faciale, France
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10
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Handula M, Chen KT, Seimbille Y. IEDDA: An Attractive Bioorthogonal Reaction for Biomedical Applications. Molecules 2021; 26:molecules26154640. [PMID: 34361793 PMCID: PMC8347371 DOI: 10.3390/molecules26154640] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/26/2022] Open
Abstract
The pretargeting strategy has recently emerged in order to overcome the limitations of direct targeting, mainly in the field of radioimmunotherapy (RIT). This strategy is directly dependent on chemical reactions, namely bioorthogonal reactions, which have been developed for their ability to occur under physiological conditions. The Staudinger ligation, the copper catalyzed azide-alkyne cycloaddition (CuAAC) and the strain-promoted [3 + 2] azide–alkyne cycloaddition (SPAAC) were the first bioorthogonal reactions introduced in the literature. However, due to their incomplete biocompatibility and slow kinetics, the inverse-electron demand Diels-Alder (IEDDA) reaction was advanced in 2008 by Blackman et al. as an optimal bioorthogonal reaction. The IEDDA is the fastest bioorthogonal reaction known so far. Its biocompatibility and ideal kinetics are very appealing for pretargeting applications. The use of a trans-cyclooctene (TCO) and a tetrazine (Tz) in the reaction encouraged researchers to study them deeply. It was found that both reagents are sensitive to acidic or basic conditions. Furthermore, TCO is photosensitive and can be isomerized to its cis-conformation via a radical catalyzed reaction. Unfortunately, the cis-conformer is significantly less reactive toward tetrazine than the trans-conformation. Therefore, extensive research has been carried out to optimize both click reagents and to employ the IEDDA bioorthogonal reaction in biomedical applications.
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Affiliation(s)
- Maryana Handula
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands;
| | - Kuo-Ting Chen
- Department of Chemistry, National Dong Hwa University, Shoufeng, Hualien 974301, Taiwan;
| | - Yann Seimbille
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands;
- Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada
- Correspondence: ; Tel.: +31-10-703-8961
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Abstract
ABSTRACT Yttrium-90 (90Y)-polymer composite (RadioGel™) is a new cancer therapeutic agent for treating solid tumors by direct interstitial injection. The 90Y-composite comprises insoluble, microscopic yttrium-phosphate particles carried by a sterile, injectable water-polymer (hydrogel) solution that can be placed directly by needle injection into solid tumors. The yttrium-90-RadioGel™ agent was designed to provide a safe, effective, localized, high-dose beta radiation for treating solid tumors. The properties of 90Y-RadioGel™ also make it a relatively safe agent for health care personnel who prepare, handle, and administer the material. The purpose of this work was to demonstrate and characterize radiation safety of the injectable 90Y-RadioGel™ therapeutic agent. Safety in the patient is defined by its ability to target precisely and remain confined within tumor tissue so that radiation doses are imparted to the tumor and not to normal organs and tissues. Radiation safety for health care personnel is defined by the low radiation doses received by persons who prepare and administer the agent. These safety features were demonstrated during experiments, first involving laboratory rabbits and second in cat and dog animal patients that were treated clinically for sarcoma tumors. This paper focuses mainly on the rabbit tissue biodistribution study; follow-on clinical application in cat and dog subjects confirmed the rabbit results. Implanted VX2 liver tumors in the hind limbs of 26 New Zealand White rabbits were treated using tracer amounts of either (a) 90Y-RadioGel™ or (b) 90Y-microparticles in phosphate-buffered saline (PBS) without the gel carrier. Tumor and margin injections were interstitial. Rabbits were euthanized at 48 h or 10 d following injection. Blood and tissues (tumor or tumor margins, liver, lymph nodes, rib bone, kidney, spleen) were collected for liquid scintillation counting using wet-ash procedures. Biodistribution was also analyzed at 10 d post-injection using micro-computed tomography. Thirteen cat and dog subjects were also treated clinically for sarcomas. Liquid scintillation counting at 48 h post-injection of tumors or margins with 90Y-RadioGel™ showed that significant radioactivity was measurable only at the site of administration and that radioactivity above detector background was not found in blood or peripheral organs and tissues. At 10 d post-injection, microCT showed that yttrium phosphate microparticles were confined to the injection site. Yttrium-90 remained where placed and did not migrate away in significant amounts from the injection site. Radiation doses were confined mainly to tumors and margin tissues. During preparation and administration, radiation doses to hands and body of study personnel were negligible. This work showed that 90Y-RadioGel™ can be safely prepared and administered and that radiation doses to cancer patients are confined to tumor and margin tissues rather than to critical normal organs and tissues.
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Affiliation(s)
- Darrell R. Fisher
- Department of Pharmaceutical Sciences, Washington State University, Richland, WA 99354
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12
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Abstract
Radioimmunotherapy (RIT) is FDA-approved for the clinical management of liquid malignancies, however, its use for solid malignancies remains a challenge. The putative benefit of RIT lies in selective targeting of antigens expressed on the tumor surface using monoclonal antibodies, to systemically deliver cytotoxic radionuclides. The past several decades yielded dramatic improvements in the quality, quantity, recent commercial availability of alpha-, beta- and Auger Electron-emitting therapeutic radiometals. Investigators have created new or improved existing bifunctional chelators. These bifunctional chelators bind radiometals and can be coupled to antigen-specific antibodies. In this review, we discuss approaches to develop radiometal-based RITs, including the selection of radiometals, chelators and antibody platforms (i.e. full-length, F(ab')2, Fab, minibodies, diabodies, scFv-Fc and nanobodies). We cite examples of the performance of RIT in the clinic, describe challenges to its implementation, and offer insights to address gaps toward translation.
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MESH Headings
- Animals
- Antibodies, Monoclonal/administration & dosage
- Antibodies, Monoclonal/therapeutic use
- Antigens, Neoplasm/immunology
- Antineoplastic Agents, Immunological/administration & dosage
- Antineoplastic Agents, Immunological/metabolism
- Antineoplastic Agents, Immunological/therapeutic use
- Chelating Agents/administration & dosage
- Chelating Agents/metabolism
- Click Chemistry
- Clinical Trials as Topic
- Dose Fractionation, Radiation
- Drug Delivery Systems
- Forecasting
- Humans
- Immunoglobulin Fab Fragments/administration & dosage
- Immunoglobulin Fab Fragments/therapeutic use
- Lymphoma, Non-Hodgkin/radiotherapy
- Mice
- Molecular Targeted Therapy
- Neoplasm Proteins/antagonists & inhibitors
- Neoplasms, Experimental/diagnostic imaging
- Neoplasms, Experimental/radiotherapy
- Organ Specificity
- Precision Medicine
- Radiation Tolerance
- Radioimmunotherapy/methods
- Radiopharmaceuticals/administration & dosage
- Radiopharmaceuticals/therapeutic use
- Receptor Protein-Tyrosine Kinases/antagonists & inhibitors
- Single-Chain Antibodies/administration & dosage
- Single-Chain Antibodies/therapeutic use
- Single-Domain Antibodies/administration & dosage
- Single-Domain Antibodies/therapeutic use
- Yttrium Radioisotopes/administration & dosage
- Yttrium Radioisotopes/therapeutic use
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Affiliation(s)
- Jordan M. White
- Cancer Biology Graduate Program, Wayne State University School of Medicine, Detroit, MI 48201
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201
| | - Freddy E. Escorcia
- Molecular Imaging Branch, Radiation Oncology Branch, National Cancer Institute, Bethesda, MD 20814
| | - Nerissa T. Viola
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201
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Abstract
PURPOSE OF REVIEW Prostate-specific membrane antigen (PSMA)-targeted radionuclide therapy (TRT) is a promising investigational treatment for metastatic castration-resistant prostate cancer (mCRPC). This review describes the available data with PSMA TRT. RECENT FINDINGS Conjugates used for PSMA TRT include antibodies or small molecules PSMA-radiolabeled with beta (most commonly 177Lu) or alpha emitters (commonly 225Ac). 177Lu-J591 demonstrated accurate targeting of known metastatic sites, based on post-treatment scintigraphy, in study populations that were not selected for PSMA expression, with evidence of dose-response and dose-limiting myelosuppression. Early phase studies of 177Lu-PSMA-617 have demonstrated favorable adverse event profiles and signs of clinical activity as evidenced by PSA responses and other short-term outcomes. A phase II randomized study of 177Lu-PSMA-617 showed a superior PSA50 response rate (66 vs 37%) over cabazitaxel in patients with docetaxel-pretreated, progressive mCRPC selected by PSMA and FDG PET/CT scans. PSMA TRT is emerging as a promising investigational therapy for mCRPC. The first randomized data with 177Lu-PSMA-617 (phase 2) have been presented, and the first phase 3 trial has completed accrual with radiographic progression-free and overall survival as dual primary endpoints. Multiple additional phase 3 trials of PSMA-TRT are starting and studies investigating optimal patient selection and combination therapy continue.
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Affiliation(s)
- Michael Sun
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, 525 East 68th Street, Box 403, New York, NY, 10065, USA
| | | | | | - Scott T Tagawa
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, 525 East 68th Street, Box 403, New York, NY, 10065, USA.
- Department of Urology, Weill Cornell Medicine, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA.
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Selected Articles from This Issue. Clin Cancer Res 2021; 27:369. [PMID: 33468638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
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15
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Plavc G, Strojan P. Combining radiotherapy and immunotherapy in definitive treatment of head and neck squamous cell carcinoma: review of current clinical trials. Radiol Oncol 2020; 54:377-393. [PMID: 33064670 PMCID: PMC7585335 DOI: 10.2478/raon-2020-0060] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 09/22/2020] [Indexed: 12/17/2022] Open
Abstract
Background Head and neck squamous cell carcinoma (HNSCC) presents as locally advanced disease in a majority of patients and is prone to relapse despite aggressive treatment. Since immune checkpoint inhibitors (ICI) have shown clinically significant efficacy in patients with recurrent/metastatic HNSCC (R/M HNSCC), a plethora of trials are investigating their role in earlier stages of disease. At the same time, preclinical data showed the synergistic role of concurrently administered radiotherapy and ICIs (immunoradiotherapy) and explained several mechanisms behind it. Therefore, this approach is prospectively tested in a neoadjuvant, definitive, or adjuvant setting in non-R/M HNSCC patients. Due to the intricate relationship between host, immunotherapy, chemotherapy, and radiotherapy, each of these approaches has its advantages and disadvantages. In this narrative review we present the biological background of immunoradiotherapy, as well as a rationale for, and possible flaws of, each treatment approach, and provide readers with a critical summary of completed and ongoing trials. Conclusions While immunotherapy with ICIs has already become a standard part of treatment in patients with R/M HNSCC, its efficacy in a non-R/M HNSCC setting is still the subject of extensive clinical testing. Irradiation can overcome some of the cancer's immune evasive manoeuvres and can lead to a synergistic effect with ICIs, with possible additional benefits of concurrent platinum-based chemotherapy. However, the efficacy of this combination is not robust and details in trial design and treatment delivery seem to be of unprecedented importance.
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Affiliation(s)
- Gaber Plavc
- Department of Radiation Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
- Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Primoz Strojan
- Department of Radiation Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
- Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
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Gomes F, Wong M, Battisti NML, Kordbacheh T, Kiderlen M, Greystoke A, Luciani A. Immunotherapy in older patients with non-small cell lung cancer: Young International Society of Geriatric Oncology position paper. Br J Cancer 2020; 123:874-884. [PMID: 32694695 PMCID: PMC7492214 DOI: 10.1038/s41416-020-0986-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/31/2020] [Accepted: 06/23/2020] [Indexed: 12/25/2022] Open
Abstract
Immunotherapy with checkpoint inhibitors against programmed cell death receptor (PD-1) and programmed cell death ligand (PD-L1) has been implemented in the treatment pathway of patients with non-small cell lung cancer (NSCLC) from locally advanced disease to the metastatic setting. This approach has resulted in improved survival and a more favourable toxicity profile when compared with chemotherapy. Following the successful introduction of single-agent immunotherapy, current clinical trials are focusing on combination treatments with chemotherapy or radiotherapy or even other immunotherapeutic agents. However, most of the data available from these trials are derived from, and therefore might be more applicable to younger and fitter patients rather than older and often frail lung cancer real-world patients. This article provides a detailed review of these immunotherapy agents with a focus on the data available regarding older NSCLC patients and makes recommendations to fill evidence gaps in this patient population.
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Affiliation(s)
- Fabio Gomes
- Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK.
| | - Melisa Wong
- Division of Hematology/Oncology, University of California, San Francisco, CA, USA
| | | | - Tiana Kordbacheh
- Division of Cancer Sciences, University of Manchester, Manchester, UK
| | - Mandy Kiderlen
- Radiation Oncology, Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Alastair Greystoke
- Medical Oncology, Newcastle-upon-Tyne NHS Foundation trust, Newcastle, UK
| | - Andrea Luciani
- Medical Oncology, Ospedale S. Paolo University Hospital, Milan, Italy
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Golden EB, Marciscano AE, Formenti SC. Radiation Therapy and the In Situ Vaccination Approach. Int J Radiat Oncol Biol Phys 2020; 108:891-898. [PMID: 32800803 DOI: 10.1016/j.ijrobp.2020.08.023] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 08/06/2020] [Accepted: 08/06/2020] [Indexed: 02/06/2023]
Abstract
During the past century, from the advent of preclinical modeling to the establishment of clinical trials, the hypothesis that host defenses regulate tumor growth (posited and refined by leaders in the field of cancer immunity) has become accepted as a scientific pillar in oncology. Since the turn of the millennium, a search has been under way for the best therapeutic approach to reprogram the immune system to recognize tumor cells that have undergone "immune escape." This quest has led some to question conventional scientific views of tumor cell kill, including the role of host immunity in patients treated with radiation therapy. In the last two decades, evidence has accumulated that radiation therapy can effectively convert a potentially lethal cancer into an in situ personalized vaccine. Herein, we review the underlying mechanisms and maneuvers responsible for in situ vaccine production.
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Affiliation(s)
- Encouse B Golden
- Department of Radiation Oncology, Weill Cornell Medical College, New York City, New York
| | - Ariel E Marciscano
- Department of Radiation Oncology, Weill Cornell Medical College, New York City, New York
| | - Silvia C Formenti
- Department of Radiation Oncology, Weill Cornell Medical College, New York City, New York.
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18
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Barbari C, Fontaine T, Parajuli P, Lamichhane N, Jakubski S, Lamichhane P, Deshmukh RR. Immunotherapies and Combination Strategies for Immuno-Oncology. Int J Mol Sci 2020; 21:E5009. [PMID: 32679922 PMCID: PMC7404041 DOI: 10.3390/ijms21145009] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 12/15/2022] Open
Abstract
The advent of novel immunotherapies in the treatment of cancers has dramatically changed the landscape of the oncology field. Recent developments in checkpoint inhibition therapies, tumor-infiltrating lymphocyte therapies, chimeric antigen receptor T cell therapies, and cancer vaccines have shown immense promise for significant advancements in cancer treatments. Immunotherapies act on distinct steps of immune response to augment the body's natural ability to recognize, target, and destroy cancerous cells. Combination treatments with immunotherapies and other modalities intend to activate immune response, decrease immunosuppression, and target signaling and resistance pathways to offer a more durable, long-lasting treatment compared to traditional therapies and immunotherapies as monotherapies for cancers. This review aims to briefly describe the rationale, mechanisms of action, and clinical efficacy of common immunotherapies and highlight promising combination strategies currently approved or under clinical development. Additionally, we will discuss the benefits and limitations of these immunotherapy approaches as monotherapies as well as in combination with other treatments.
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Affiliation(s)
- Cody Barbari
- OMS Students, School of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine (LECOM), 5000 Lakewood Ranch Blvd, Bradenton, FL 34211, USA; (C.B.); (T.F.)
| | - Tyler Fontaine
- OMS Students, School of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine (LECOM), 5000 Lakewood Ranch Blvd, Bradenton, FL 34211, USA; (C.B.); (T.F.)
| | - Priyanka Parajuli
- Department of Internal Medicine, Southern Illinois University, Springfield, IL 62702, USA;
| | - Narottam Lamichhane
- Department of Radiation Oncology, University of Maryland, School of Medicine, Baltimore, MD 21201, USA;
| | - Silvia Jakubski
- Department of Biostatistics, University of Florida, Gainesville, FL 32611, USA;
| | - Purushottam Lamichhane
- School of Dental Medicine, Lake Erie College of Osteopathic Medicine (LECOM), 4800 Lakewood Ranch Blvd, Bradenton, FL 34211, USA
| | - Rahul R. Deshmukh
- School of Pharmacy, Lake Erie College of Osteopathic Medicine (LECOM), 5000 Lakewood Ranch Blvd, Bradenton, FL 34211, USA
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19
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Ashrafizadeh M, Farhood B, Eleojo Musa A, Taeb S, Najafi M. Damage-associated molecular patterns in tumor radiotherapy. Int Immunopharmacol 2020; 86:106761. [PMID: 32629409 DOI: 10.1016/j.intimp.2020.106761] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/26/2020] [Accepted: 06/27/2020] [Indexed: 02/06/2023]
Abstract
Radiotherapy is one of the most common modalities for the treatment of cancer. One of the most promising effects of radiotherapy is immunologic cell death and the release of danger alarms, which are known as damage-associated molecular patterns (DAMPs). DAMPs are able to trigger cancer cells and other cells within tumor microenvironment (TME), either for suppression or promotion of tumor growth. Heat shock proteins (HSPs) including HSP70 and HSP90, high mobility group box 1 (HMGB1), and adenosine triphosphate (ATP) and its metabolites such as adenosine are the most common danger alarms that are released after radiotherapy-induced immunologic cell death. Some DAMPs including adenosine is able to interact with both cancer cells as well as other cells in TME to promote tumor growth and resistance to radiotherapy. However, others are able to trigger anti-tumor immunity or both tumor suppressive and immunosuppressive mechanisms depending on affected cells. In this review, we explain the mechanisms behind the release of radiation-induced DAMPs, and its consequences on cells within tumor. Targeting of these mechanisms may be in favor of tumor control in combination with radiotherapy and radioimmunotherapy.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Ahmed Eleojo Musa
- Department of Medical Physics, Tehran University of Medical Sciences (International Campus), Tehran, Iran
| | - Shahram Taeb
- Ionizing and Non-Ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran
| | - Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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20
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Arina A, Gutiontov SI, Weichselbaum RR. Radiotherapy and Immunotherapy for Cancer: From "Systemic" to "Multisite". Clin Cancer Res 2020; 26:2777-2782. [PMID: 32047000 PMCID: PMC10759929 DOI: 10.1158/1078-0432.ccr-19-2034] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/28/2020] [Accepted: 02/06/2020] [Indexed: 11/16/2022]
Abstract
In the era of cancer immunotherapy, there is significant interest in combining conventional cancer therapies, such as radiotherapy, with drugs that stimulate the immune system. The observation that ionizing radiation applied to murine tumors delays the growth of distant tumors ("abscopal effect") and that this effect is potentiated by immunostimulatory drugs, led to clinical trials in which often only one lesion is irradiated in combination with immunotherapy drugs. The results of these initial clinical trials combining radio therapy and immunotherapy show that a meaningful abscopal effect is still infrequent. Recent preclinical data suggest that preexistent intratumoral T cells can survive radiation and contribute to its therapeutic effect. In this review, we discuss possible mechanisms underlying the preclinical/clinical discrepancies regarding the abscopal effect, and we propose the irradiation of multiple or all tumor sites in combination with systemic immunotherapy as a possible avenue to increase the efficacy of radio-immunotherapy.
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Affiliation(s)
- Ainhoa Arina
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, Illinois.
- The Ludwig Center for Metastasis Research, University of Chicago, Chicago, Illinois
| | - Stanley I Gutiontov
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, Illinois
| | - Ralph R Weichselbaum
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, Illinois.
- The Ludwig Center for Metastasis Research, University of Chicago, Chicago, Illinois
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21
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Oweida AJ, Darragh L, Phan A, Binder D, Bhatia S, Mueller A, Court BV, Milner D, Raben D, Woessner R, Heasley L, Nemenoff R, Clambey E, Karam SD. STAT3 Modulation of Regulatory T Cells in Response to Radiation Therapy in Head and Neck Cancer. J Natl Cancer Inst 2020; 111:1339-1349. [PMID: 30863843 DOI: 10.1093/jnci/djz036] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 01/25/2019] [Accepted: 03/11/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Radioresistance represents a major problem in the treatment of head and neck cancer (HNC) patients. To improve response, understanding tumor microenvironmental factors that contribute to radiation resistance is important. Regulatory T cells (Tregs) are enriched in numerous cancers and can dampen the response to radiation by creating an immune-inhibitory microenvironment. The purpose of this study was to investigate mechanisms of Treg modulation by radiation in HNC. METHODS We utilized an orthotopic mouse model of HNC. Anti-CD25 was used for Treg depletion. Image-guided radiation was delivered to a dose of 10 Gy. Flow cytometry was used to analyze abundance and function of intratumoral immune cells. Enzyme-linked immunosorbent assay was performed to assess secreted factors. For immune-modulating therapies, anti-PD-L1, anti-CTLA-4, and STAT3 antisense oligonucleotide (ASO) were used. All statistical tests were two-sided. RESULTS Treatment with anti-CD25 and radiation led to tumor eradication (57.1%, n = 4 of 7 mice), enhanced T-cell cytotoxicity compared with RT alone (CD4 effector T cells [Teff]: RT group mean = 5.37 [ 0.58] vs RT + αCD25 group mean =10.71 [0.67], P = .005; CD8 Teff: RT group mean = 9.98 [0.81] vs RT + αCD25 group mean =16.88 [2.49], P = .01) and induced tumor antigen-specific memory response (100.0%, n = 4 mice). In contrast, radiation alone or when combined with anti-CTLA4 did not lead to durable tumor control (0.0%, n = 7 mice). STAT3 inhibition in combination with radiation, but not as a single agent, improved tumor growth delay, decreased Tregs, myeloid-derived suppressor cells, and M2 macrophages and enhanced effector T cells and M1 macrophages. Experiments in nude mice inhibited the benefit of STAT3 ASO and radiation. CONCLUSION We propose that STAT3 inhibition is a viable and potent therapeutic target against Tregs. Our data support the design of clinical trials integrating STAT3 ASO in the standard of care for cancer patients receiving radiation.
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22
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Poty S, Mandleywala K, O'Neill E, Knight JC, Cornelissen B, Lewis JS. 89Zr-PET imaging of DNA double-strand breaks for the early monitoring of response following α- and β-particle radioimmunotherapy in a mouse model of pancreatic ductal adenocarcinoma. Theranostics 2020; 10:5802-5814. [PMID: 32483420 PMCID: PMC7255009 DOI: 10.7150/thno.44772] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 04/13/2020] [Indexed: 12/20/2022] Open
Abstract
Rationale: The evaluation of early treatment response is critical for patient prognosis and treatment planning. When the current methods rely on invasive protocols that evaluate the expression of DNA damage markers on patient biopsy samples, we aim to evaluate a non-invasive PET imaging approach to monitor the early expression of the phosphorylated histone γH2AX in the context of pancreatic cancer targeted radionuclide therapy. Pancreatic ductal adenocarcinoma has a poor patient prognosis due to the absence of curative treatment for patients with advanced disease. There is therefore a critical need for the fast clinical translation of new therapeutic options. In line with these observations, our group has been focusing on the development of radiotheranostic agents based on a fully human monoclonal antibody (5B1) with exceptional affinity for CA19.9, an antigen overexpressed in PDAC. Two on-going clinical trials resulted from these efforts, one with 89Zr (diagnosis) and one with 177Lu (β-particle therapy). More recently, we successfully developed and evaluated in PDAC mouse models a targeted α-therapy strategy with high clinical translation potential. We aim to expedite the clinical translation of the developed radioimmunotherapy approaches by investigating the early therapeutic response and effect of radiation therapy in a PDAC mouse model via PET imaging. Methods: Mice bearing BxPC3 tumor xenografts were treated with α- and β-particle pretargeted radioimmunotherapy (PRIT), external beam radiotherapy (EBRT), or sham-treated (vehicle). The phosphorylated histone γH2AX produced as a response to DNA double strand breaks was quantified with the PET radiotracer, [89Zr]Zr-DFO-anti-γH2AX-TAT. Results: PET imaging studies in BxPC3 PDAC mouse models demonstrated increased uptake of [89Zr]Zr-DFO-anti-γH2AX-TAT (6.29 ± 0.15 %IA/g) following β-PRIT in BxPC3 PDAC xenografts as compared to the saline control group (4.58 ± 0.76 %IA/g) and EBRT control group (5.93 ± 0.76 %IA/g). Similarly, significantly higher uptake of [89Zr]Zr-DFO-anti-γH2AX-TAT was observed in tumors of the 225Ac-PRIT and EBRT (10 Gy) cohorts (7.37 ± 1.23 and 6.80 ± 1.24 %IA/g, respectively) compared to the negative control cohort (5.08 ± 0.95 %IA/g). Ex vivo γH2AX immunohistochemistry and immunofluorescence analysis correlated with in vivo89Zr-anti-γH2AX PET/CT imaging with increased γH2AX positive cell and γH2AX foci per cell in the treated cohorts. When α-PRIT resulted in prolonged overall survival of treated animals (107.5 days) as compared to β-PRIT (73.0 days), no evidence of difference in [89Zr]Zr-DFO-anti-γH2AX-TAT uptake at the tumor site was observed, highlighting that DNA damage is not the sole radiobiology paradigm and that off-targeted (bystander) effects should be considered. Conclusions: PET imaging studies with [89Zr]Zr-DFO-anti-γH2AX-TAT following α- and β-particle PRIT in a BxPC3 PDAC subcutaneous xenograft mouse model allowed the monitoring of tumor radiobiological response to treatment.
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MESH Headings
- Alpha Particles/therapeutic use
- Animals
- Antigens, Tumor-Associated, Carbohydrate/analysis
- Beta Particles/therapeutic use
- Biomarkers, Pharmacological/analysis
- Carcinoma, Pancreatic Ductal/diagnostic imaging
- Carcinoma, Pancreatic Ductal/genetics
- Carcinoma, Pancreatic Ductal/radiotherapy
- Cell Line, Tumor
- DNA/genetics
- DNA Breaks, Double-Stranded
- DNA Damage/genetics
- Disease Models, Animal
- Female
- Mice
- Mice, Nude
- Pancreatic Neoplasms/pathology
- Positron Emission Tomography Computed Tomography/methods
- Positron-Emission Tomography/methods
- Radioimmunotherapy/methods
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Sophie Poty
- Department of Radiology, Memorial Sloan Kettering Cancer Center, NY, USA
| | - Komal Mandleywala
- Department of Radiology, Memorial Sloan Kettering Cancer Center, NY, USA
| | - Edward O'Neill
- CRUK/MRC Oxford Institute of Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - James C. Knight
- CRUK/MRC Oxford Institute of Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Bart Cornelissen
- CRUK/MRC Oxford Institute of Radiation Oncology, Department of Oncology, University of Oxford, Oxford, UK
| | - Jason S. Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, NY, USA
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Weill Cornell Medical College, New York, NY, USA
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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23
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Akhavan D, Yazaki P, Yamauchi D, Simpson J, Frankel PH, Bading J, Colcher D, Poku K, Chen YJ, Lim D, Cristea M, Wu A, Shively J, Wong JY. Phase I Study of Yttrium-90 Radiolabeled M5A Anti-Carcinoembryonic Antigen Humanized Antibody in Patients with Advanced Carcinoembryonic Antigen Producing Malignancies. Cancer Biother Radiopharm 2020; 35:10-15. [PMID: 31910346 PMCID: PMC7044770 DOI: 10.1089/cbr.2019.2992] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: M5A is a humanized monoclonal antibody (mAb) directed against carcinoembryonic antigen (CEA) The purpose of this first in human phase I dose-escalation trial was to characterize the toxicities and determine the maximum tolerated dose (MTD) of yttrium-90 (90Y)-DOTA-M5A as a single agent and in combination with gemcitabine (gem). Methods: Patients with advanced metastatic CEA-producing malignancies who had progressed on standard therapies were first administered indium-111 (111In)-DOTA-M5A. If tumor targeting was observed, the patient then received the therapy dose of 90Y-DOTA-M5A. Serial scans, blood sampling, and 24 h urine collections were then performed to estimate radiation doses to organs and total body. Assays for human antihuman antibody (HAHA) responses were performed out to 6 months. Results: Of the 18 patients who received 111In-DOTA-M5A, 16 received 90Y-DOTA-M5A therapy; 1 patient at 14 mCi/m2 with gem (150 mg/m2 days 1and 3), 3 patients at 12 mCi/m2 with gem, 6 patients at 12 mCi/m2 without gem, and 6 at 10 mCi/m2 without gem. Prolonged cytopenias resulted in discontinuation of dose escalation with gemcitabine. A single agent MTD of 10 mCi/m2 was established based on dose-limiting hematopoietic toxicities. HAHA immune response was identified in 2 of 16 patients (12.5%). Stable disease at 3 months was seen in 10 patients and 2 patients demonstrated an 88% and 64% decrease in CEA back to normal levels. In 2 patients 111In-DOTA-M5A imaging revealed previously unknown brain metastases. Conclusion: This study demonstrates the potential utility of the 90Y-DOTA-M5A anti-CEA mAb as a therapeutic antibody. There is decreased immunogenicity compared with murine and chimeric mAbs, allowing for the potential of multiple administrations. Combined modality therapy approaches incorporating this agent should continue to be evaluated.
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Affiliation(s)
- David Akhavan
- Department of Radiation Oncology, City of Hope National Cancer Center, Duarte, California
| | - Paul Yazaki
- Department of Molecular Imaging and Therapy, Beckman Research Institute, Duarte, California
| | - Dave Yamauchi
- Department of Diagnostic Radiology, City of Hope National Cancer Center, Duarte, California
| | - Jennifer Simpson
- Department of Medical Oncology, City of Hope National Cancer Center, Duarte, California
| | - Paul H. Frankel
- Department of Information Sciences, City of Hope National Cancer Center, Duarte, California
| | - James Bading
- Department of Molecular Imaging and Therapy, Beckman Research Institute, Duarte, California
| | - David Colcher
- Department of Molecular Imaging and Therapy, Beckman Research Institute, Duarte, California
| | - Kofi Poku
- Department of Molecular Imaging and Therapy, Beckman Research Institute, Duarte, California
| | - Yi-jen Chen
- Department of Radiation Oncology, City of Hope National Cancer Center, Duarte, California
| | - Dean Lim
- Department of Medical Oncology, City of Hope National Cancer Center, Duarte, California
| | - Mihaela Cristea
- Department of Medical Oncology, City of Hope National Cancer Center, Duarte, California
| | - Anna Wu
- Department of Molecular Imaging and Therapy, Beckman Research Institute, Duarte, California
| | - John Shively
- Department of Molecular Imaging and Therapy, Beckman Research Institute, Duarte, California
| | - Jeffrey Y.C. Wong
- Department of Radiation Oncology, City of Hope National Cancer Center, Duarte, California
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24
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De Vincentis G, Gerritsen W, Gschwend JE, Hacker M, Lewington V, O'Sullivan JM, Oya M, Pacilio M, Parker C, Shore N, Sartor O. Advances in targeted alpha therapy for prostate cancer. Ann Oncol 2019; 30:1728-1739. [PMID: 31418764 PMCID: PMC6927314 DOI: 10.1093/annonc/mdz270] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Amongst therapeutic radiopharmaceuticals, targeted alpha therapy (TαT) can deliver potent and local radiation selectively to cancer cells as well as the tumor microenvironment and thereby control cancer while minimizing toxicity. In this review, we discuss the history, progress, and future potential of TαT in the treatment of prostate cancer, including dosimetry-individualized treatment planning, combinations with small-molecule therapies, and conjugation to molecules directed against antigens expressed by prostate cancer cells, such as prostate-specific membrane antigen (PSMA) or components of the tumor microenvironment. A clinical proof of concept that TαT is efficacious in treating bone-metastatic castration-resistant prostate cancer has been demonstrated by radium-223 via improved overall survival and long-term safety/tolerability in the phase III ALSYMPCA trial. Dosimetry calculation and pharmacokinetic measurements of TαT provide the potential for optimization and individualized treatment planning for a precision medicine-based cancer management paradigm. The ability to combine TαTs with other agents, including chemotherapy, androgen receptor-targeting agents, DNA repair inhibitors, and immuno-oncology agents, is under investigation. Currently, TαTs that specifically target prostate cancer cells expressing PSMA represents a promising therapeutic approach. Both PSMA-targeted actinium-225 and thorium-227 conjugates are under investigation. The described clinical benefit, safety and tolerability of radium-223 and the recent progress in TαT trial development suggest that TαT occupies an important new role in prostate cancer treatment. Ongoing studies with newer dosimetry methods, PSMA targeting, and novel approaches to combination therapies should expand the utility of TαT in prostate cancer treatment.
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Affiliation(s)
- G De Vincentis
- Department of Radiological Sciences, Oncology and Anatomo-Pathology, Sapienza, University of Rome, Rome, Italy
| | - W Gerritsen
- Department of Medical Oncology, Radboud UMC, Nijmegen, The Netherlands
| | - J E Gschwend
- Department of Urology, Technical University of Munich, Rechts der Isar Medical Center, Munich, Germany
| | - M Hacker
- Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
| | - V Lewington
- Department of Imaging Sciences and Biomedical Engineering, King's College, London, UK
| | - J M O'Sullivan
- Center for Cancer Research and Cell Biology, Queen's University Belfast, Northern Ireland Cancer Center, Belfast City Hospital, Belfast, Northern Ireland
| | - M Oya
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - M Pacilio
- Medical Physics Department, "Policlinico Umberto I" University Hospital, Rome, Italy
| | - C Parker
- The Royal Marsden Hospital, Sutton, UK
| | - N Shore
- Carolina Urologic Research Center, Myrtle Beach
| | - O Sartor
- Tulane Cancer Center, Tulane University, New Orleans, USA.
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25
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Babcock B, Rodrigues M, Kearns D, Solomon N, Reeves ME, Senthil M, Garberoglio CA, Namm JP. Improved Survival with Immunotherapy but Lack of Synergistic Effect with Radiation for Stage IV Melanoma of the Head and Neck. Am Surg 2019; 85:1118-1124. [PMID: 31657306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Prospective randomized studies have demonstrated a survival benefit of immunotherapy in stage IV cutaneous melanoma. Some retrospective studies have hypothesized a synergistic effect of radiation and immunotherapy. Our objective was to identify whether there is a survival benefit for patients treated with radiation and immunotherapy in stage IV cutaneous melanoma of the head and neck (CMHN). The National Cancer Database was used to identify patients with stage IV CMHN between 2012 and 2014. These patients were stratified based on receipt of radiation and immunotherapy. Adjusted Cox regression was used to analyze overall survival. A total of 542 patients were identified with stage IV CMHN, of whom 153 (28%) patients received immunotherapy. Receipt of immunotherapy (hazard ratio [HR] 0.69, P = 0.02) and negative LNs (HR 0.50, P = 0.002) were independently associated with improved survival, whereas radiation conferred no survival benefit (HR 1.17, P = 0.26). Patients who received immunotherapy without radiation were associated with significantly improved survival compared with those who received immunotherapy with radiation (P < 0.0001). However, of patients who received radiation, the addition of immunotherapy did not seem to improve survival (P = 0.979). In stage IV CMHN, immunotherapy confers a 32 per cent survival benefit. The use of immunotherapy in patients who require radiation, however, is not associated with improved survival.
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26
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Reulen HJ, Suero Molina E, Zeidler R, Gildehaus FJ, Böning G, Gosewisch A, Stummer W. Intracavitary radioimmunotherapy of high-grade gliomas: present status and future developments. Acta Neurochir (Wien) 2019; 161:1109-1124. [PMID: 30980242 DOI: 10.1007/s00701-019-03882-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 03/20/2019] [Indexed: 02/07/2023]
Abstract
There is a distinct need for new and second-line therapies to delay or prevent local tumor regrowth after current standard of care therapy. Intracavitary radioimmunotherapy, in combination with radiotherapy, is discussed in the present review as a therapeutic strategy of high potential. We performed a systematic literature search following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA). The available body of literature on intracavitary radioimmunotherapy (iRIT) in glioblastoma and anaplastic astrocytomas is presented. Several past and current phase I and II clinical trials, using mostly an anti-tenascin monoclonal antibody labeled with I-131, have shown median overall survival of 19-25 months in glioblastoma, while adverse events remain low. Tenascin, followed by EGFR and variants, or smaller peptides have been used as targets, and most clinical studies were performed with I-131 or Y-90 as radionuclides while only recently Re-188, I-125, and Bi-213 were applied. The pharmacokinetics of iRIT, as well as the challenges encountered with this therapy, is comprehensively discussed. This promising approach deserves further exploration in future studies by incorporating several innovative modifications.
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Affiliation(s)
| | - Eric Suero Molina
- Department of Neurosurgery, University Hospital of Münster, Münster, Germany.
| | - Reinhard Zeidler
- Helmholtz-Zentrum Munich, German Research Center for Environmental Health, Research Group Gene Vectors, Munich, Germany
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, LMU Munich, Munich, Germany
| | | | - Guido Böning
- Department of Nuclear Medicine, University Hospital, LMU Munich, Munich, Germany
| | - Astrid Gosewisch
- Department of Nuclear Medicine, University Hospital, LMU Munich, Munich, Germany
| | - Walter Stummer
- Department of Neurosurgery, University Hospital of Münster, Münster, Germany
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27
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Kitajima K, Okada M, Kashiwagi T, Yoshihara K, Tokugawa T, Sawada A, Yoshihara S, Fujimori Y, Yamakado K. Early evaluation of tumor response to 90Y-ibritumomab radioimmunotherapy in relapsed/refractory B cell non-Hodgkin lymphoma: what is the optimal timing for FDG-PET/CT? Eur Radiol 2019; 29:3935-3944. [PMID: 30899979 DOI: 10.1007/s00330-019-06134-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 02/14/2019] [Accepted: 03/06/2019] [Indexed: 01/13/2023]
Abstract
PURPOSE To determine the earliest optimal timing for assessment of early response following radioimmunotherapy in non-Hodgkin lymphoma patients using FDG-PET/CT. METHODS FDG-PET/CT was performed prior to treatment (PET1), at 2 (PET2) weeks, and at 6 (PET3) weeks after 90Y-ibritumomab radioimmunotherapy in 55 patients. Response was evaluated based on the Deauville 5-point scale and Lugano criteria as well as semiquantitative analysis and compared with progression-free survival (PFS). RESULTS PET 2 showed complete metabolic response (CMR), partial metabolic response (PMR), stable metabolic disease (SMD), and progressive metabolic disease (PMD) in 33, 13, 6, and 3 patients, respectively, while PET 3 in 41, 8, 3, and 3 patients, respectively. Mean SUVmax of 168 target lesions decreased over time (PET1, 2, 3; 5.58 ± 2.58, 1.87 ± 1.78, 1.75 ± 2.25, respectively). Progression or recurrence after a median of 12.6 months (range 2.6-72.0 months) was seen in 44 patients. Patients with CMR or metabolic response (CMR + PMR) on PET2 showed significantly longer PFS as compared to those who did not (p = 0.00028 and p = 0.029, respectively). A similar significant difference was observed based on PET3 (p = 0.00013 and p = 0.017, respectively). The same trend was observed when analyzing only the subgroup of patients with follicular lymphoma (N = 43/55) (p < 0.0001). CONCLUSION Use of FDG-PET/CT findings with Lugano criteria for assessing early response to radioimmunotherapy after 6 weeks allowed for accurate evaluation and prognostic stratification, though scanning after 2 weeks was too soon to precisely evaluate response. KEY POINTS • The optimal timing of FDG-PET/CT to obtain a suitable tool for assessment of response after 90 Y-ibritumomab radioimmunotherapy of lymphoma has not yet been defined. • Assessment after 6 weeks by FDG-PET/CT using the Lugano criteria accurately evaluates treatment response and prognosis. • FDG-PET/CT performed 2 weeks after radioimmunotherapy is too early as it significantly misses objective responses.
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Affiliation(s)
- Kazuhiro Kitajima
- Division of Nuclear Medicine and PET Center, Department of Radiology, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, 663-8501, Japan.
| | - Masaya Okada
- Division of Hematology, Department of Internal Medicine Department of Transfusion Medicine and Cellular Therapy, Hyogo College of Medicine, Nishinomiya, Hyogo, 663-8501, Japan
| | - Toru Kashiwagi
- Department of Healthcare office, Daimaru Matsuzaka Department Store, Osaka, 530-8202, Japan
| | - Kyoko Yoshihara
- Division of Hematology, Department of Internal Medicine Department of Transfusion Medicine and Cellular Therapy, Hyogo College of Medicine, Nishinomiya, Hyogo, 663-8501, Japan
| | - Tazuko Tokugawa
- Division of Hematology, Department of Internal Medicine Department of Transfusion Medicine and Cellular Therapy, Hyogo College of Medicine, Nishinomiya, Hyogo, 663-8501, Japan
| | - Akihiro Sawada
- Division of Hematology, Department of Internal Medicine Department of Transfusion Medicine and Cellular Therapy, Hyogo College of Medicine, Nishinomiya, Hyogo, 663-8501, Japan
| | - Satoshi Yoshihara
- Division of Hematology, Department of Internal Medicine Department of Transfusion Medicine and Cellular Therapy, Hyogo College of Medicine, Nishinomiya, Hyogo, 663-8501, Japan
| | - Yoshihiro Fujimori
- Division of Hematology, Department of Internal Medicine Department of Transfusion Medicine and Cellular Therapy, Hyogo College of Medicine, Nishinomiya, Hyogo, 663-8501, Japan
| | - Koichiro Yamakado
- Department of Radiology, Hyogo College of Medicine, Nishinomiya, Hyogo, 663-8501, Japan
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Collins SM, Keightley JD, Ivanov P, Arinc A, Fenwick AJ, Pearce AK. The potential radio-immunotherapeutic α-emitter 227Th – part II: Absolute γ-ray emission intensities from the excited levels of 223Ra. Appl Radiat Isot 2019; 145:251-257. [PMID: 30686576 DOI: 10.1016/j.apradiso.2018.10.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 09/17/2018] [Accepted: 10/23/2018] [Indexed: 11/28/2022]
Affiliation(s)
- S M Collins
- National Physical Laboratory, Hampton Road, Teddington, Middlesex, TW11 0LW, United Kingdom.
| | - J D Keightley
- National Physical Laboratory, Hampton Road, Teddington, Middlesex, TW11 0LW, United Kingdom
| | - P Ivanov
- National Physical Laboratory, Hampton Road, Teddington, Middlesex, TW11 0LW, United Kingdom
| | - A Arinc
- National Physical Laboratory, Hampton Road, Teddington, Middlesex, TW11 0LW, United Kingdom
| | - A J Fenwick
- National Physical Laboratory, Hampton Road, Teddington, Middlesex, TW11 0LW, United Kingdom
| | - A K Pearce
- National Physical Laboratory, Hampton Road, Teddington, Middlesex, TW11 0LW, United Kingdom
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29
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Morandi F, Horenstein AL, Costa F, Giuliani N, Pistoia V, Malavasi F. CD38: A Target for Immunotherapeutic Approaches in Multiple Myeloma. Front Immunol 2018; 9:2722. [PMID: 30546360 PMCID: PMC6279879 DOI: 10.3389/fimmu.2018.02722] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 11/05/2018] [Indexed: 11/22/2022] Open
Abstract
Multiple Myeloma (MM) is a hematological cancer characterized by proliferation of malignant plasma cells in the bone marrow (BM). MM represents the second most frequent hematological malignancy, accounting 1% of all cancer and 13% of hematological tumors, with ~9,000 new cases per year. Patients with monoclonal gammopathy of undetermined significance (MGUS) and asymptomatic smoldering MM (SMM) usually evolve to active MM in the presence of increased tumor burden, symptoms and organ damage. Despite the role of high dose chemotherapy in combination with autologous stem cell transplantation and the introduction of new treatments, the prognosis of MM patients is still poor, and novel therapeutic approaches have been tested in the last years, including new immunomodulatory drugs, proteasome inhibitors and monoclonal antibodies (mAbs). CD38 is a glycoprotein with ectoenzymatic functions, which is expressed on plasma cells and other lymphoid and myeloid cell populations. Since its expression is very high and uniform on myeloma cells, CD38 is a good target for novel therapeutic strategies. Among them, immunotherapy represents a promising approach. Here, we summarized recent findings regarding CD38-targeted immunotherapy of MM in pre-clinical models and clinical trials, including (i) mAbs (daratumumab and isatuximab), (ii) radioimmunotherapy, and (iii) adoptive cell therapy, using chimeric antigen receptor (CAR)-transfected T cells specific for CD38. Finally, we discussed the efficacy and possible limitations of these therapeutic approaches for MM patients.
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Affiliation(s)
- Fabio Morandi
- Stem Cell Laboratory and Cell Therapy Center, Istituto Giannina Gaslini, Genoa, Italy
| | - Alberto L. Horenstein
- Laboratory of Immunogenetics, Department of Medical Sciences, University of Torino, Torino, Italy
- CeRMS, University of Torino, Torino, Italy
| | - Federica Costa
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Nicola Giuliani
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Vito Pistoia
- Immunology Area, Pediatric Hospital Bambino Gesù, Rome, Italy
| | - Fabio Malavasi
- Laboratory of Immunogenetics, Department of Medical Sciences, University of Torino, Torino, Italy
- CeRMS, University of Torino, Torino, Italy
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30
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Sugyo A, Tsuji AB, Sudo H, Koizumi M, Ukai Y, Kurosawa G, Kurosawa Y, Saga T, Higashi T. Efficacy Evaluation of Combination Treatment Using Gemcitabine and Radioimmunotherapy with 90Y-Labeled Fully Human Anti-CD147 Monoclonal Antibody 059-053 in a BxPC-3 Xenograft Mouse Model of Refractory Pancreatic Cancer. Int J Mol Sci 2018; 19:ijms19102979. [PMID: 30274301 PMCID: PMC6213240 DOI: 10.3390/ijms19102979] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/06/2018] [Accepted: 09/28/2018] [Indexed: 02/07/2023] Open
Abstract
The poor prognosis of pancreatic cancer requires the development of more effective therapy. CD147 expresses in pancreatic cancer with high incidence and has a crucial role in invasion and metastasis. We developed a fully human monoclonal antibody (059-053) with high affinity for CD147. Here we evaluated the efficacy of combined treatment using radioimmunotherapy (RIT) with 90Y-labeled 059-053 and gemcitabine in a BxPC-3 xenograft mouse model. Expression of CD147 and matrix metalloproteinase-2 (MMP2) in BxPC-3 tumors was evaluated. In vitro and in vivo properties of 059-053 were evaluated using 111In-labeled 059-053 and a pancreatic cancer model BxPC-3. Tumor volume and body weight were periodically measured in mice receiving gemcitabine, RIT, and both RIT and gemcitabine (one cycle and two cycles). High expression of CD147 and MMP2 was observed in BxPC-3 tumors and suppressed by 059-053 injection. Radiolabeled 059-053 bound specifically to BxPC-3 cells and accumulated highly in BxPC-3 tumors but low in major organs. Combined treatment using RIT with gemcitabine (one cycle) significantly suppressed tumor growth and prolonged survival with tolerable toxicity. The two-cycle regimen had the highest anti-tumor effect, but was not tolerable. Combined treatment with 90Y-labeled 059-053 and gemcitabine is a promising therapeutic option for pancreatic cancer.
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Affiliation(s)
- Aya Sugyo
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST-NIRS), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
| | - Atsushi B Tsuji
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST-NIRS), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
| | - Hitomi Sudo
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST-NIRS), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
| | - Mitsuru Koizumi
- Department of Nuclear Medicine, Cancer Institute Hospital, 3-8-31 Ariake, Koto-ku, Tokyo 135-8550, Japan.
| | - Yoshinori Ukai
- Research and Development Division, Perseus Proteomics Inc., 4-7-6 Komaba, Meguro-ku, Tokyo 153-0041, Japan.
| | - Gene Kurosawa
- Innovation Center for Advanced Medicine, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan.
| | - Yoshikazu Kurosawa
- Innovation Center for Advanced Medicine, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan.
| | - Tsuneo Saga
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST-NIRS), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
- Department of Diagnostic Radiology, Kyoto University Hospital, 54 Shogoinkawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.
| | - Tatsuya Higashi
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST-NIRS), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
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31
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Lawal I, Louw L, Warwick J, Nyakale N, Steyn R, Lengana T, Lengana T, Ellmann A, Kotze T, Vangu M, Vorster M, Sathekge M. The College of Nuclear Physicians of South Africa Practice Guidelines on Peptide Receptor Radionuclide Therapy in Neuroendocrine Tumours. S AFR J SURG 2018; 56:55-64. [PMID: 30264945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND Peptide receptor radionuclide therapy (PRRT) for metastatic or inoperable neuroendocrine tumours (NETs) is a systemic therapy which targets somatostatin receptors overexpressed by differentiated NETs for endoradiotherapy. This guideline has been compiled by the College of Nuclear Physicians of the Colleges of Medicine of South Africa, with endorsement by the South African Society of Nuclear Medicine and the Association of Nuclear Physicians to guide Nuclear Medicine Physicians in its application during the management of these patients. RECOMMENDATIONS Patients with well- to moderately-differentiated NETs should be comprehensively worked-up to determine their suitability for PRRT. Treatment should be administered by a Nuclear Medicine Physician in a licensed, appropriately equipped and fully staffed facility. Patient monitoring is mandatory during and after each therapy cycle to identify and treat therapy-related adverse events. Patients should also be followed-up after completion of therapy cycles for monitoring of long-term toxicities and response assessment. CONCLUSION PRRT is a safe and effective therapy option in patients with differentiated NETs. Its use in appropriate patients is associated with a survival benefit.
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Affiliation(s)
- I Lawal
- Department of Nuclear Medicine, University of Pretoria and Steve Biko Academic Hospital, Pretoria, South Africa
| | - L Louw
- Department of Nuclear Medicine, Charlotte Maxeke Johannesburg Academic Hospital and University of the Witwatersrand, Johannesburg, South Africa
| | - J Warwick
- Department of Nuclear Medicine, Tygerberg Academic Hospital and Stellenbosch University, Stellenbosch, South Africa
| | - N Nyakale
- Department of Nuclear Medicine, Inkosi Albert Lithuli Central Hospital and University of Kwa-Zulu Natal, Durban, South Africa
| | - R Steyn
- Division of Nuclear Medicine, Groote Schuur Hospital and University of Cape Town, Cape Town South Africa
| | - T Lengana
- Department of Nuclear Medicine, University of Pretoria and Steve Biko Academic Hospital, Pretoria, South Africa
| | - T Lengana
- Department of Nuclear Medicine, University of Pretoria and Steve Biko Academic Hospital, Pretoria, South Africa
| | - A Ellmann
- Department of Nuclear Medicine, Tygerberg Academic Hospital and Stellenbosch University, Stellenbosch, South Africa
| | - T Kotze
- Division of Nuclear Medicine, Groote Schuur Hospital and University of Cape Town, Cape Town South Africa
| | - M Vangu
- Department of Nuclear Medicine, Charlotte Maxeke Johannesburg Academic Hospital and University of the Witwatersrand, Johannesburg, South Africa
| | - M Vorster
- Department of Nuclear Medicine, University of Pretoria and Steve Biko Academic Hospital, Pretoria, South Africa
| | - M Sathekge
- Department of Nuclear Medicine, University of Pretoria and Steve Biko Academic Hospital, Pretoria, South Africa
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32
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Ehlerding EB, Ferreira CA, Aluicio-Sarduy E, Jiang D, Lee HJ, Theuer CP, Engle JW, Cai W. 86/90Y-Based Theranostics Targeting Angiogenesis in a Murine Breast Cancer Model. Mol Pharm 2018; 15:2606-2613. [PMID: 29787283 PMCID: PMC6028311 DOI: 10.1021/acs.molpharmaceut.8b00133] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Angiogenesis is widely recognized as one of the hallmarks of cancer. Therefore, imaging and therapeutic agents targeted to angiogenic vessels may be widely applicable in many types of cancer. To this end, the theranostic isotope pair, 86Y and 90Y, were used to create a pair of agents for targeted imaging and therapy of neovasculature in murine breast cancer models using a chimeric anti-CD105 antibody, TRC105. Serial positron emission tomography imaging with 86Y-DTPA-TRC105 demonstrated high uptake in 4T1 tumors, peaking at 9.6 ± 0.3%ID/g, verified through ex vivo studies. Additionally, promising results were obtained in therapeutic studies with 90Y-DTPA-TRC105, wherein significantly ( p < 0.05) decreased tumor volumes were observed for the targeted treatment group over all control groups near the end of the study. Dosimetric extrapolation and tissue histological analysis corroborated trends found in vivo. Overall, this study demonstrated the potential of the pair 86/90Y for theranostics, enabling personalized treatments for cancer.
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MESH Headings
- Animals
- Antibodies, Monoclonal/chemistry
- Antibodies, Monoclonal/pharmacology
- Antibodies, Monoclonal/therapeutic use
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Cell Line, Tumor/transplantation
- Drug Screening Assays, Antitumor
- Female
- Humans
- Immunoconjugates/chemistry
- Immunoconjugates/pharmacology
- Immunoconjugates/therapeutic use
- Mammary Neoplasms, Experimental/diagnostic imaging
- Mammary Neoplasms, Experimental/pathology
- Mammary Neoplasms, Experimental/radiotherapy
- Mice
- Mice, Inbred BALB C
- Neovascularization, Pathologic/diagnostic imaging
- Neovascularization, Pathologic/drug therapy
- Positron-Emission Tomography/methods
- Radioimmunotherapy/methods
- Theranostic Nanomedicine/methods
- Tissue Distribution
- Treatment Outcome
- Yttrium Radioisotopes/chemistry
- Yttrium Radioisotopes/pharmacology
- Yttrium Radioisotopes/therapeutic use
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Affiliation(s)
| | - Carolina A Ferreira
- Department of Biomedical Engineering , Univesity of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | | | | | | | - Charles P Theuer
- TRACON Pharmaceuticals, Inc. , San Diego , California 92122 , United States
| | | | - Weibo Cai
- Department of Biomedical Engineering , Univesity of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
- Carbone Comprehensive Cancer Center , University of Wisconsin-Madison , Madison , Wisconsin 53792 , United States
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33
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Carter LM, Poty S, Sharma SK, Lewis JS. Preclinical optimization of antibody-based radiopharmaceuticals for cancer imaging and radionuclide therapy-Model, vector, and radionuclide selection. J Labelled Comp Radiopharm 2018; 61:611-635. [PMID: 29412489 PMCID: PMC6081268 DOI: 10.1002/jlcr.3612] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 12/19/2017] [Accepted: 01/16/2018] [Indexed: 12/25/2022]
Abstract
Intact antibodies and their truncated counterparts (eg, Fab, scFv fragments) are generally exquisitely specific and selective vectors, enabling recognition of individual cancer-associated molecular phenotypes against a complex and dynamic biomolecular background. Complementary alignment of these advantages with unique properties of radionuclides is a defining paradigm in both radioimmunoimaging and radioimmunotherapy, which remain some of the most adept and promising tools for cancer diagnosis and treatment. This review discusses how translational potency can be maximized through rational selection of antibody-nuclide couples for radioimmunoimaging/therapy in preclinical models.
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Affiliation(s)
- Lukas M Carter
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Sophie Poty
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Sai Kiran Sharma
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Departments of Radiology and Pharmacology, Weill Cornell Medical College, New York, New York, USA
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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34
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Affiliation(s)
- P Riva
- Nuclear Medicine Division, M. Bufalini Hospital Cesena, Italy
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35
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Nosanchuk JD, Jeyakumar A, Ray A, Revskaya E, Jiang Z, Bryan RA, Allen KJH, Jiao R, Malo ME, Gómez BL, Morgenstern A, Bruchertseifer F, Rickles D, Thornton GB, Bowen A, Casadevall A, Dadachova E. Structure-function analysis and therapeutic efficacy of antibodies to fungal melanin for melanoma radioimmunotherapy. Sci Rep 2018; 8:5466. [PMID: 29615812 PMCID: PMC5882926 DOI: 10.1038/s41598-018-23889-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 03/22/2018] [Indexed: 02/06/2023] Open
Abstract
Metastatic melanoma remains difficult to treat despite recent approvals of several new drugs. Recently we reported encouraging results of Phase I clinical trial of radiolabeled with 188Re murine monoclonal IgM 6D2 to melanin in patients with Stage III/IV melanoma. Subsequently we generated a novel murine IgG 8C3 to melanin. IgGs are more amenable to humanization and cGMP (current Good Manufacturing Practice) manufacturing than IgMs. We performed comparative structural analysis of melanin-binding IgM 6D2 and IgG 8C3. The therapeutic efficacy of 213Bi- and 188Re-labeled 8C3 and its comparison with anti-CTLA4 immunotherapy was performed in B16-F10 murine melanoma model. The primary structures of these antibodies revealed significant homology, with the CDRs containing a high percentage of positively charged amino acids. The 8C3 model has a negatively charged binding surface and significant number of aromatic residues in its H3 domain, suggesting that hydrophobic interactions contribute to the antibody-melanin interaction. Radiolabeled IgG 8C3 showed significant therapeutic efficacy in murine melanoma, safety towards healthy melanin-containing tissues and favorable comparison with the anti-CTLA4 antibody. We have demonstrated that antibody binding to melanin relies on both charge and hydrophobic interactions while the in vivo data supports further development of 8C3 IgG as radioimmunotherapy reagent for metastatic melanoma.
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Affiliation(s)
- J D Nosanchuk
- Albert Einstein College of Medicine, Bronx, New York, USA
| | - A Jeyakumar
- Albert Einstein College of Medicine, Bronx, New York, USA
| | - A Ray
- Albert Einstein College of Medicine, Bronx, New York, USA
| | - E Revskaya
- Albert Einstein College of Medicine, Bronx, New York, USA
| | - Z Jiang
- Albert Einstein College of Medicine, Bronx, New York, USA
| | - R A Bryan
- Albert Einstein College of Medicine, Bronx, New York, USA
| | - K J H Allen
- University of Saskatchewan, Saskatoon, SK, Canada
| | - R Jiao
- University of Saskatchewan, Saskatoon, SK, Canada
| | - M E Malo
- University of Saskatchewan, Saskatoon, SK, Canada
| | - B L Gómez
- School of Medicine and Health Sciences, Universidad Rosario, Bogota, Colombia
| | - A Morgenstern
- European Commission, Joint Research Centre, Directorate for Nuclear Safety and Security, Karlsruhe, Germany
| | - F Bruchertseifer
- European Commission, Joint Research Centre, Directorate for Nuclear Safety and Security, Karlsruhe, Germany
| | - D Rickles
- RadImmune Therapeutics, Tarrytown, NY, USA
| | | | - A Bowen
- Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - A Casadevall
- Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - E Dadachova
- University of Saskatchewan, Saskatoon, SK, Canada.
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36
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Abstract
Various preparations of anti-CEA antibodies have shown to detect very sensitively CEA producing tumors. The development of human anti-mouse antibodies (HAMA) prevents from the widespread use of immunoscintigraphy (IS) in the follow-up of patients with colorectal carcinoma. It is, however, not yet clear if genetically reshaped antibodies will solve this problem and it is even less clear if this will change prognosis of these patients. There is certainly room for new therapeutic approaches in colorectal carcinoma. Radioimmunotherapy in combination with other techniques might advantageously complete surgery, chemotherapy and radiotherapy, but needs to be further developed.
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37
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Barr PM, Li H, Burack WR, LeBlanc M, Smith SM, Gopal AK, Floyd JD, Persky DO, Press OW, Fisher RI, Friedberg JW. R-CHOP, radioimmunotherapy, and maintenance rituximab in untreated follicular lymphoma (SWOG S0801): a single-arm, phase 2, multicentre study. Lancet Haematol 2018; 5:e102-e108. [PMID: 29396094 PMCID: PMC6501182 DOI: 10.1016/s2352-3026(18)30001-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 12/01/2017] [Accepted: 12/01/2017] [Indexed: 12/17/2022]
Abstract
BACKGROUND Despite an abundance of therapeutic options, advanced-stage follicular lymphoma remains incurable. Furthermore, the ideal sequence and absolute benefit of post-induction therapy is unclear. We designed SWOG S0801 to assess the efficacy and safety of consolidative radioimmunotherapy and sequential maintenance rituximab following chemoimmunotherapy. METHODS For this single-arm, phase 2, multicentre study, we enrolled patients aged 18 years and older with a diagnosis of stage III, IV, or bulky stage II follicular lymphoma, grades 1, 2, or 3a, who had not received previous therapy, from from 20 institutions within the United States National Cancer Institute Clinical Trials Network. Patients were assigned to a 5-year treatment plan consisting of R-CHOP (rituximab plus cyclophosphamide [750 mg/m2], doxorubicin [50 mg/m2], vincristine [1·4 mg/m2], and prednisone or prednisolone [100 mg]) every 21 days for up to six cycles, with rituximab 375 mg/m2 given on day 1 of cycles 1-4, followed by 131iodine tositumomab radioimmunotherapy and subsequent maintenance rituximab 375 mg/m2 within 12 weeks after the sixth cycle of R-CHOP, every 3 months for up to 4 years. The primary endpoint was 3-year progression-free survival in the intention-to-treat population. Efficacy and safety analyses were done in the intention-to-treat population and the per-protocol population. This trial was registered with ClinicalTrials.gov, number NCT00770224. FINDINGS Between April 1, 2009, and Dec 15, 2010, we enrolled 84 evaluable patients, of whom 73 completed R-CHOP and radioimmunotherapy. Of 69 patients who registered to maintenance therapy, only 41 completed the 4-year rituximab maintenance treatment. Progression-free survival at 3 years was 90% (95% CI 82-95). The most common grade 3 or worse adverse events included neutropenia in 48 (57%) patients, leucopenia in 34 (40%) patients, thrombocytopenia in 17 (20%) patients, and febrile neutropenia in 14 (17%) patients. Nine patients had possible treatment-related deaths during the study from secondary or unknown causes (n=3), cirrhosis (n=1), cardiac arrest (n=1), and secondary malignancies (n=4). Secondary malignancies occurred in seven patients, including two sarcomas, two colorectal carcinomas, two acute myelogenous leukaemias, and one case of renal-cell carcinoma. INTERPRETATION SWOG S0801 showed near universal responses following chemoimmunotherapy and radioimmunotherapy. However, most discontinuations occurred during maintenance therapy, suggesting that rituximab over a 4-year span is not feasible for many patients. Nonetheless, this sequential therapeutic strategy resulted in good overall outcomes for patients, including a low incidence of early disease progression. FUNDING The National Cancer Institute and GlaxoSmithKline.
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MESH Headings
- Antibodies, Monoclonal/administration & dosage
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Murine-Derived/adverse effects
- Antibodies, Monoclonal, Murine-Derived/therapeutic use
- Antineoplastic Combined Chemotherapy Protocols/adverse effects
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Bone Marrow/pathology
- Combined Modality Therapy
- Cyclophosphamide/adverse effects
- Cyclophosphamide/therapeutic use
- Doxorubicin/adverse effects
- Doxorubicin/therapeutic use
- Female
- Humans
- Induction Chemotherapy
- Lymphoma, Follicular/diagnosis
- Lymphoma, Follicular/mortality
- Lymphoma, Follicular/therapy
- Maintenance Chemotherapy
- Male
- Middle Aged
- Neoplasm Grading
- Neoplasm Staging
- Positron-Emission Tomography
- Prednisone/adverse effects
- Prednisone/therapeutic use
- Radioimmunotherapy/methods
- Rituximab/administration & dosage
- Rituximab/adverse effects
- Rituximab/therapeutic use
- Survival Analysis
- Tomography, X-Ray Computed
- Treatment Outcome
- Vincristine/adverse effects
- Vincristine/therapeutic use
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Affiliation(s)
- Paul M Barr
- James P Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA.
| | - Hongli Li
- SWOG Statistical Center, Seattle, WA, USA
| | - W Richard Burack
- James P Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA
| | | | | | - Ajay K Gopal
- University of Washington, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Justin D Floyd
- Cancer Care Specialists of Illinois/Heartland NCORP, Swansea, IL, USA
| | | | - Oliver W Press
- University of Washington, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Richard I Fisher
- Fox Chase Cancer Center, Temple University Health System, Philadelphia, PA, USA
| | - Jonathan W Friedberg
- James P Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA
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Gordon LI. Consolidation and maintenance in follicular lymphoma: radioimmunotherapy revisited? Lancet Haematol 2018; 5:e96-e97. [PMID: 29396095 DOI: 10.1016/s2352-3026(18)30015-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 01/11/2018] [Indexed: 06/07/2023]
Affiliation(s)
- Leo I Gordon
- Robert H Lurie Comprehensive Cancer Center of Northwestern University, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
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Shadman M, Li H, Rimsza L, Leonard JP, Kaminski MS, Braziel RM, Spier CM, Gopal AK, Maloney DG, Cheson BD, Dakhil S, LeBlanc M, Smith SM, Fisher RI, Friedberg JW, Press OW. Continued Excellent Outcomes in Previously Untreated Patients With Follicular Lymphoma After Treatment With CHOP Plus Rituximab or CHOP Plus 131I-Tositumomab: Long-Term Follow-Up of Phase III Randomized Study SWOG-S0016. J Clin Oncol 2018; 36:697-703. [PMID: 29356608 PMCID: PMC6553811 DOI: 10.1200/jco.2017.74.5083] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Purpose SWOG S0016 was a phase III randomized study that compared the safety and efficacy of R-CHOP (rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone) with CHOP-RIT (CHOP followed by consolidation with iodine-133-tositumomab radioimmunotherapy) for previously untreated patients with follicular lymphoma. Understanding the long-term outcome of patients provides a benchmark for novel treatment regimens for FL. Patients and Methods Between 2001 and 2008, 531 previously untreated patients with FL were randomly assigned to receive either six cycles of R-CHOP or six cycles of CHOP-RIT. Patients with advanced-stage disease (bulky stage II, III, or IV) of any pathologic grade (1, 2, or 3) were eligible. Results After a median follow-up of 10.3 years, 10-year estimates of progression-free and overall survival were 49% and 78% among all patients, respectively. Patients in the CHOP-RIT arm had significantly better 10-year progression-free survival compared with patients in the R-CHOP arm (56% v 42%; P = .01), but 10-year overall survival was not different between the two arms (75% v 81%; P = .13). There was no significant difference between the CHOP-RIT and R-CHOP arms in regard to incidence of second malignancies (15.1% v 16.1%; P = .81) or myelodysplastic syndrome or acute myeloid leukemia (4.9% v 1.8%; P = .058). The estimated 10-year cumulative incidences of death resulting from second malignancies were not different (7.1% v 3.2%; P = .16), but cumulative incidence of death resulting from myelodysplastic syndrome or acute myeloid leukemia was higher in the CHOP-RIT arm compared with the R-CHOP arm (4% v 0.9%; P = .02). Conclusion Given these outstanding outcomes, immunochemotherapy should remain the standard induction approach for patients with high-risk FL until long-term follow-up of alternative approaches demonstrates superiority.
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Affiliation(s)
- Mazyar Shadman
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Hongli Li
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Lisa Rimsza
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - John P. Leonard
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Mark S. Kaminski
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Rita M. Braziel
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Catherine M. Spier
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Ajay K. Gopal
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - David G. Maloney
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Bruce D. Cheson
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Shaker Dakhil
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Michael LeBlanc
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Sonali M. Smith
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Richard I. Fisher
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Jonathan W. Friedberg
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
| | - Oliver W. Press
- Mazyar Shadman, Ajay K. Gopal, David G. Maloney, and Oliver W. Press, University of Washington and Fred Hutchinson Cancer Research Center; Hongli Li and Michael LeBlanc, SWOG Statistical Center, Seattle, WA; Lisa Rimsza, Mayo Clinic Arizona, Scottsdale; Catherine M. Spier, University of Arizona, Tucson, AZ; John P. Leonard, Weill Cornell Medical College, New York; Jonathan W. Friedberg, Wilmot Cancer Institute, University of Rochester, Rochester, NY; Mark S. Kaminski, University of Michigan Health System, Ann Arbor, MI; Rita M. Braziel, Oregon Health & Science University, Portland, OR; Bruce D. Cheson, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC; Shaker Dakhil, University of Kansas School of Medicine–Wichita, Wichita, KS; Sonali M. Smith, University of Chicago Medicine, Chicago, IL; and Richard I. Fisher, Fox Chase Cancer Center and Temple University School of Medicine, Philadelphia, PA
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Au KM, Tripathy A, Lin CPI, Wagner K, Hong S, Wang AZ, Park SI. Bespoke Pretargeted Nanoradioimmunotherapy for the Treatment of Non-Hodgkin Lymphoma. ACS Nano 2018; 12:1544-1563. [PMID: 29361211 PMCID: PMC6713228 DOI: 10.1021/acsnano.7b08122] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Non-Hodgkin lymphoma (NHL) is one of the most common types of hematologic malignancies. Pretargeted radioimmunotherapy (PRIT), the sequential administration of a bispecific antibody-based primary tumor-targeting component followed by a radionucleotide-labeled treatment effector, has been developed to improve the treatment efficacy and to reduce the side effects of conventional RIT. Despite the preclinical success of PRIT, clinical trials revealed that the immunogenicity of the bispecific antibody as well as the presence of competing endogenous effector molecules often compromised the treatment. One strategy to improve PRIT is to utilize bio-orthogonal ligation reactions to minimize immunogenicity and improve targeting. Herein, we report a translatable pretargeted nanoradioimmunotherapy strategy for the treatment of NHL. This pretargeting system is composed of a dibenzylcyclooctyne (DBCO)-functionalized anti-CD20 antibody (α-CD20) tumor-targeting component and an azide- and yttrium-90-(90Y) dual-functionalized dendrimer. The physicochemical properties of both pretargeting components have been extensively studied. We demonstrated that an optimized dual-functionalized dendrimer can undergo rapid strain-promoted azide-alkyne cycloaddition with the DBCO-functionalized α-CD20 at the physiological conditions. The treatment effector in our pretargeting system can not only selectively deliver radionucleotides to the target tumor cells but also increase the complement-dependent cytotoxicity of α-CD20 and thus enhance the antitumor effects, as justified by comprehensive in vitro and in vivo studies in mouse NHL xenograft and disseminated models.
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Affiliation(s)
- Kin Man Au
- Laboratory of Nano- and Translational Medicine, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department of Radiation Oncology, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Ashutosh Tripathy
- Department of Biochemistry and Biophysics, UNC Marcomolecular Interactions Facility, 1124 Genome Science Building, 250 Bell Tower Drive, Chapel Hill, North Carolina 27599, United States
| | - Carolina Pe-I Lin
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Kyle Wagner
- Laboratory of Nano- and Translational Medicine, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department of Radiation Oncology, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Seungpyo Hong
- School of Pharmacy, University of Wisconsin, 777 Highland Ave., Madison, Wisconsin 53705, United States
| | - Andrew Z. Wang
- Laboratory of Nano- and Translational Medicine, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department of Radiation Oncology, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Corresponding Authors: .,
| | - Steven I. Park
- Division of Hematology and Oncology, Levine Cancer Institute, Carolinas Health Care System, 100 Medical Park Dr, Suite 110, Concord, North Carolina 28025, United States
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Corresponding Authors: .,
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Milenic DE, Baidoo KE, Kim YS, Barkley R, Brechbiel MW. Comparative studies on the therapeutic benefit of targeted α-particle radiation therapy for the treatment of disseminated intraperitoneal disease. Dalton Trans 2017; 46:14591-14601. [PMID: 28675216 PMCID: PMC5664163 DOI: 10.1039/c7dt01819c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Identification of the appropriate combination of radionuclide, target and targeting vehicle is critical for successful radioimmunotherapy. For the treatment of disseminated peritoneal diseases such as pancreatic or ovarian cancer, α-emitting radionuclides have been proposed for targeted radiation therapy. This laboratory has taken a systematic approach investigating targeted α-radiation therapy, allowing comparisons to now be made between 211At, 227Th, 213Bi and 212Pb. Herein, trastuzumab radiolabeled with 211At and 227Th was evaluated for therapeutic efficacy in the LS-174T i.p. tumor model. A dose escalation study was conducted with each radioimmunoconjugate (RIC). Therapeutic benefit was realized with 211At-trastuzumab with doses of 20, 30 and 40 μCi. At doses >40 μCi, toxicity was observed with greater weight loss and 2-fold higher decrease in the platelet counts. Following a second study comparing the effect of 20, 30 and 40 μCi of 211At-trastuzumab, 30 μCi was selected as the dose for future studies. A parallel study was performed evaluating 0.25, 0.5, 1.0, 2.0 and 5.0 μCi of 227Th-trastuzumab. The 0.5 and 1.0 μCi injected dose resulted in a therapeutic response; a lower degree of weight loss was experienced by the mice in the 0.5 μCi cohort. When the data is normalized for comparing 211At, 227Th, 213Bi and 212Pb, the choice of radionuclide for RIT is perhaps not entirely based on simple therapeutic efficacy, other factors may play a role in choosing the "right" radionuclide.
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Affiliation(s)
- Diane E Milenic
- Radioimmune & Inorganic Chemistry Section, Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda MD, USA.
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Li T, Ao ECI, Lambert B, Brans B, Vandenberghe S, Mok GSP. Quantitative Imaging for Targeted Radionuclide Therapy Dosimetry - Technical Review. Theranostics 2017; 7:4551-4565. [PMID: 29158844 PMCID: PMC5695148 DOI: 10.7150/thno.19782] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 07/25/2017] [Indexed: 01/06/2023] Open
Abstract
Targeted radionuclide therapy (TRT) is a promising technique for cancer therapy. However, in order to deliver the required dose to the tumor, minimize potential toxicity in normal organs, as well as monitor therapeutic effects, it is important to assess the individualized internal dosimetry based on patient-specific data. Advanced imaging techniques, especially radionuclide imaging, can be used to determine the spatial distribution of administered tracers for calculating the organ-absorbed dose. While planar scintigraphy is still the mainstream imaging method, SPECT, PET and bremsstrahlung imaging have promising properties to improve accuracy in quantification. This article reviews the basic principles of TRT and discusses the latest development in radionuclide imaging techniques for different theranostic agents, with emphasis on their potential to improve personalized TRT dosimetry.
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Affiliation(s)
- Tiantian Li
- Biomedical Imaging Laboratory, Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, China
| | - Edwin C. I. Ao
- Biomedical Imaging Laboratory, Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, China
| | - Bieke Lambert
- Dept of Radiology and Nuclear medicine, Ghent University, De Pintelaan 185 9000 Gent, Belgium
- AZ Maria Middelares, Buiten-Ring-Sint-Denijs 30, 9000 Gent, Belgium
| | - Boudewijn Brans
- Dept of Nuclear Medicine, UZ Ghent-Ghent University, St-Pietersnieuwstraat 41, 9000 Gent, Belgium
| | - Stefaan Vandenberghe
- MEDISIP-ELIS-IBITECH-IMEC, Ghent University, St-Pietersnieuwstraat 41, 9000 Gent, Belgium
| | - Greta S. P. Mok
- Biomedical Imaging Laboratory, Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, China
- Faculty of Health Sciences, University of Macau, Macau SAR, China
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Mi YX, Sui X, Huang JM, Wei LG, Xie P. Incidentally polycystic kidney disease identified by SPECT/CT with post-therapy radioiodine scintigraphy in a patient with differentiated thyroid carcinoma: A case report. Medicine (Baltimore) 2017; 96:e8348. [PMID: 29069013 PMCID: PMC5671846 DOI: 10.1097/md.0000000000008348] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
RATIONALE Post-therapy or diagnostic whole-body radioiodine scintigraphy is widely employed to evaluate the residual, recurrence, or metastases of differentiated thyroid carcinoma because of the high sensitivity and accuracy. However, it has pitfalls. PATIENT CONCERNS We described a 63-year-old male with a history of papillary thyroid carcinoma who was referred for iodine-131 ablation therapy. The post-therapy iodine-131 whole-body images demonstrated abnormal increased uptake of the tracer in the regions of bilateral upper abdomen. DIAGNOSES The single photon emission computed tomography/computed tomography (SPECT/CT) showed the abnormal Iactivity was corresponded to multiple irregular cystic low densities in the both kidneys on the low-dose computed tomography images, so the diagnosis of polycystic kidney disease was confirmed. INTERVENTIONS AND OUTCOMES The patient responded well to the lifestyle-based treatments. LESSONS Polycystic kidney disease was one of the etiologies of the false-positive findings in the radioiodine scintigraphy.
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Affiliation(s)
- Yan-Xia Mi
- Department of Nuclear Medicine, Shanxi Provincial Cancer Hospital, Taiyuan City
| | | | - Jian-Min Huang
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Ling-Ge Wei
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Peng Xie
- Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
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44
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Voong KR, Naidoo J, Ettinger DS. The next frontier in non-small cell lung cancer: synergizing radiation therapy and immune checkpoint blockade. Clin Adv Hematol Oncol 2017; 15:615-625. [PMID: 28949949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Immune checkpoint blockade (ICB), which harnesses the body's immune system to recognize and kill cancer cells, has transformed the management landscape for patients with advanced non-small cell lung cancer (NSCLC). Building on the success of this approach, clinical and translational researchers are attempting to augment the benefit of anti-programmed death 1/programmed death ligand 1 monotherapy through the addition of other therapies, such as conventional cancer treatments. This article reviews the potential use of immunotherapeutic strategies combined with radiation therapy in patients with NSCLC, focusing on ICB. It describes the mechanism of action of immune checkpoint inhibitors, summarizes published studies that demonstrate the benefit of immune checkpoint inhibitors in advanced NSCLC, and provides the preclinical and clinical rationale supporting the potential immunologic synergy of radiation and ICB.
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Affiliation(s)
- Khinh Ranh Voong
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland
| | - Jarushka Naidoo
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland
| | - David S Ettinger
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland
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45
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Kodaira S, Li HK, Konishi T, Kitamura H, Kurano M, Hasegawa S. Validating α-particle emission from 211At-labeled antibodies in single cells for cancer radioimmunotherapy using CR-39 plastic nuclear track detectors. PLoS One 2017; 12:e0178472. [PMID: 28658304 PMCID: PMC5489156 DOI: 10.1371/journal.pone.0178472] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 05/13/2017] [Indexed: 11/18/2022] Open
Abstract
Recently, 211At has received increasing attention as a potential radionuclide for cancer radioimmunotherapy. It is a α-particle emitter, which is extremely effective against malignant cells. We demonstrate a method to verify the efficiency of 211At-labeled trastuzumab antibodies (211At-trastuzumab) against HER2 antigens, which has not been determined for radioimmunotherapy. A CR-39 plastic nuclear detector is used for measuring the position and the linear energy transfer (LET) of individual 211At α- particle tracks. The tracks and 211At-trastuzumab-binding cells were co-visualized by using the geometric information recorded on the CR-39. HER2-positive human gastric cancer cells (NCI-N87), labelled with 211At-trastuzumab, were dropped on the centre of the CR-39 plate. Microscope images of the cells and the corresponding α-tracks acquired by position matching were obtained. In addition, 3.5 cm × 3.5 cm macroscopic images of the whole plate were acquired. The distribution of number of α-particles emitted from single cells suggests that 80% of the 211At-trastuzumab-binding cells emitted α-particles. It also indicates that the α-particles may strike the cells several times along their path. The track-averaged LET of the α-particles is evaluated to be 131 keV/μm. These results will enable quantitative evaluation of delivered doses to target cells, and will be useful for the in vitro assessment of 211At-based radioimmunotherapeutic agents.
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Affiliation(s)
- Satoshi Kodaira
- Radiation Measurement Research Team, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
- * E-mail:
| | - Huizi Keiko Li
- Radiation and Cancer Biology Team, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
- JSPS Research Fellow, Graduate School of Medical and Pharmaceutical Sciences, Chiba University, Chiba, Japan
| | - Teruaki Konishi
- Regenerative Therapy Research Team, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Hisashi Kitamura
- Radiation Measurement Research Team, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Mieko Kurano
- Radiation Measurement Research Team, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Sumitaka Hasegawa
- Radiation and Cancer Biology Team, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
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46
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Dendy MS, Ludwig JM, Kim HS. Predictors and prognosticators for survival with Yttrium-90 radioembolization therapy for unresectable colorectal cancer liver metastasis. Oncotarget 2017; 8:37912-37922. [PMID: 28415671 PMCID: PMC5514961 DOI: 10.18632/oncotarget.16007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 02/27/2017] [Indexed: 02/06/2023] Open
Abstract
This critical review aims to explore predictive and prognostic biomarkers of Yttrium-90 (Y90) radioembolization therapy of colorectal liver metastases. A brief overview of established predictive and prognostic molecular and genetic biomarkers in colorectal cancer therapies will be discussed. A review of the literature on imaging modalities, genetic, metabolic and other molecular markers and the subsequent outcomes in post-Y90 treatment will be presented. How these biomarkers and future biomarker research can inform locoregional treatment decisions in the clinical setting of metastatic colorectal cancer lesions of the liver will be explored. There are opportunities for personalized cancer treatment in the setting of Y90 radioembolization. The ability to predict tumor response after Ytrium-90 radioembolization therapy can greatly impact clinical decision making and enhance treatment outcomes, therefore further research into the field is needed.
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Affiliation(s)
- Meaghan S. Dendy
- Drexel University College of Medicine, Philadelphia, PA, USA
- Department of Radiology and Biomedical Imaging, Division of Interventional Radiology, Yale School of Medicine, New Haven, CT, USA
| | - Johannes M. Ludwig
- Department of Radiology and Biomedical Imaging, Division of Interventional Radiology, Yale School of Medicine, New Haven, CT, USA
| | - Hyun S. Kim
- Department of Radiology and Biomedical Imaging, Division of Interventional Radiology, Yale School of Medicine, New Haven, CT, USA
- Yale Cancer Center, Yale University, New Haven, CT, USA
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47
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Revskaya E, Jiang Z, Morgenstern A, Bruchertseifer F, Sesay M, Walker S, Fuller S, Lebowitz MS, Gravekamp C, Ghanbari HA, Dadachova E. A Radiolabeled Fully Human Antibody to Human Aspartyl (Asparaginyl) β-Hydroxylase Is a Promising Agent for Imaging and Therapy of Metastatic Breast Cancer. Cancer Biother Radiopharm 2017; 32:57-65. [PMID: 28301261 DOI: 10.1089/cbr.2016.2141] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
There is a need for novel effective and safe therapies for metastatic breast cancer based on targeting tumor-specific molecular markers of cancer. Human aspartyl (asparaginyl) β-hydroxylase (HAAH) is a highly conserved enzyme that hydroxylates epidermal growth factor-like domains in transformation-associated proteins and is overexpressed in a variety of cancers, including breast cancer. A fully human monoclonal antibody (mAb) PAN-622 has been developed to HAAH. In this study, they describe the development of PAN-622 mAb as an agent for imaging and radioimmunotherapy of metastatic breast cancer. PAN-622 was conjugated to several ligands such as DOTA, CHXA″, and DTPA to enable subsequent radiolabeling and its immunoreactivity was evaluated by an HAAH-specific enzyme-linked immunosorbent assay and binding to the HAAH-positive cells. As a result, DTPA-PAN-622 was chosen to investigate biodistribution in healthy CD-1 female mice and 4T1 mammary tumor-bearing BALB/c mice. The 111In-DTPA-pan622 mAb concentrated in the primary tumors and to some degree in lung metastases as shown by SPECT/CT and Cherenkov imaging. A pilot therapy study with 213Bi-DTPA-PAN-622 demonstrated a significant effect on the primary tumor. The authors concluded that human mAb PAN-622 to HAAH is a promising reagent for development of imaging and possible therapeutic agents for the treatment of metastatic breast cancer.
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Affiliation(s)
- Ekaterina Revskaya
- 1 Department of Radiology, Albert Einstein College of Medicine , Bronx, New York
| | - Zewei Jiang
- 1 Department of Radiology, Albert Einstein College of Medicine , Bronx, New York
| | - Alfred Morgenstern
- 2 European Commission, Joint Research Centre , Directorate for Nuclear Safety and Security, Karlsruhe, Germany
| | - Frank Bruchertseifer
- 2 European Commission, Joint Research Centre , Directorate for Nuclear Safety and Security, Karlsruhe, Germany
| | | | - Susan Walker
- 4 Panacea Pharmaceuticals , Gaithersburg, Maryland
| | | | | | - Claudia Gravekamp
- 1 Department of Radiology, Albert Einstein College of Medicine , Bronx, New York
| | | | - Ekaterina Dadachova
- 1 Department of Radiology, Albert Einstein College of Medicine , Bronx, New York
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Abstract
Several factors must be considered to successfully integrate immunotherapy with radiation into clinical practice. One such factor is that concepts arising from preclinical work must be tested in combination with radiation in preclinical models to better understand how combination therapy will work in patients; examples include checkpoint inhibitors, tumor growth factor-beta (TGF-β) inhibitors, and natural killer (NK) cell therapy. Also, many radiation fields and fractionation schedules typically used in radiation therapy had been standardized before the introduction of advanced techniques for radiation planning and delivery that account for changes in tumor size, location, and motion during treatment, as well as uncertainties introduced by variations in patient setup between treatment fractions. As a result, radiation therapy may involve the use of large treatment volumes, often encompassing nodal regions that may not be irradiated with more conformal techniques. Traditional forms of radiation in particular pose challenges for combination trials with immunotherapy. This chapter explores these issues in more detail and provides insights as to how radiation therapy can be optimized to combine with immunotherapy.
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Affiliation(s)
- Jonathan E Schoenhals
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Tijana Skrepnik
- Department of Radiation Oncology, University of Arizona, Tucson, AZ, USA
| | - Ugur Selek
- Department of Radiation Oncology, Koc University, Istanbul, Turkey
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Anderson Central (Y2.5316), 1515 Holcombe Blvd., Unit 0097, Houston, TX, 77030, USA
| | - Maria A Cortez
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ailin Li
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Radiation Oncology, The First Hospital of China Medical University, Shenyang, China
| | - James W Welsh
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Anderson Central (Y2.5316), 1515 Holcombe Blvd., Unit 0097, Houston, TX, 77030, USA.
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England CG, Rui L, Cai W. Lymphoma: current status of clinical and preclinical imaging with radiolabeled antibodies. Eur J Nucl Med Mol Imaging 2016; 44:517-532. [PMID: 27844106 DOI: 10.1007/s00259-016-3560-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 10/25/2016] [Indexed: 12/22/2022]
Abstract
Lymphoma is a complex disease that arises from cells of the immune system with an intricate pathology. While lymphoma may be classified as Hodgkin or non-Hodgkin, each type of tumor is genetically and phenotypically different and highly invasive tissue biopsies are the only method to investigate these differences. Noninvasive imaging strategies, such as immunoPET, can provide a vital insight into disease staging, monitoring treatment response in patients, and dose planning in radioimmunotherapy. ImmunoPET imaging with radiolabeled antibody-based tracers may also assist physicians in optimizing treatment strategies and enhancing patient stratification. Currently, there are two common biomarkers for molecular imaging of lymphoma, CD20 and CD30, both of which have been considered for investigation in preclinical imaging studies. In this review, we examine the current status of both preclinical and clinical imaging of lymphoma using radiolabeled antibodies. Additionally, we briefly investigate the role of radiolabeled antibodies in lymphoma therapy. As radiolabeled antibodies play critical roles in both imaging and therapy of lymphoma, the development of novel antibodies and the discovery of new biomarkers may greatly affect lymphoma imaging and therapy in the future.
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Affiliation(s)
- Christopher G England
- Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, 1111 Highland Ave, Madison, WI, 53705-2275, USA.
| | - Lixin Rui
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
- Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Weibo Cai
- Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, 1111 Highland Ave, Madison, WI, 53705-2275, USA.
- Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Room 7137, 1111 Highland Ave, Madison, WI, 53705-2275, USA.
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50
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Kuan JW, Law CS, Wong XQ, Ko CT, Awang ZH, Chew LP, Chang KM. A pioneer experience in Malaysia on In-house Radio-labelling of (131)I-rituximab in the treatment of Non-Hodgkin's Lymphoma and a case report of high dose (131)I-rituximab-BEAM conditioning autologous transplant. Appl Radiat Isot 2016; 116:13-21. [PMID: 27472826 DOI: 10.1016/j.apradiso.2016.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/12/2016] [Accepted: 07/19/2016] [Indexed: 11/17/2022]
Abstract
Radioimmunotherapy is an established treatment modality in Non-Hodgkin's lymphoma. The only two commercially available radioimmunotherapies - (90)Y-ibritumomab tiuxetan is expensive and (131)I-tositumomab has been discontinued from commercial production. In resource limited environment, self-labelling (131)I-rituximab might be the only viable practical option. We reported our pioneer experience in Malaysia on self-labelling (131)I-rituximab, substituting autologous haematopoietic stem cell transplantation (HSCT) and a patient, the first reported case, received high dose (131)I-rituximab (6000MBq/163mCi) combined with BEAM conditioning for autologous HSCT.
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Affiliation(s)
- Jew Win Kuan
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, 94300 Malaysia.
| | - Chiong Soon Law
- Department of Nuclear Medicine, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Xiang Qi Wong
- Sterile Production Section, Department of Pharmacy, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Ching Tiong Ko
- Sterile Production Section, Department of Pharmacy, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Zool Hilmi Awang
- Department of Nuclear Medicine, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Lee Ping Chew
- Haemotology Unit, Department of Medicine, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Kian Meng Chang
- Department of Haematology, Ampang Hospital, Jalan Mewah Utara, Pandan Mewah, Ampang, Selangor, 68000 Malaysia.
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