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Pang S, Duong A, Siu C, Indorf A. Antibody drug conjugates: Design implications for clinicians. J Oncol Pharm Pract 2024; 30:907-918. [PMID: 38651308 DOI: 10.1177/10781552241228827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
OBJECTIVE There are currently 11 antibody-drug conjugates (ADC) that are FDA approved for use in oncologic disease states, with many more in the pipeline. The authors aim to review the pharmacokinetic profiles of the components of ADCs to engage pharmacist practitioners in practical considerations in the care of patients. This article provides an overview on the use of ADCs in the setting of organ dysfunction, drug-drug interactions, and management of on- and off-target adverse effects. DATA SOURCES A systematic search of the literature on ADCs through September 2023 was conducted. Clinical trials as well as articles on ADC design and functional components, adverse effects, and pharmacokinetics were reviewed. Reviewed literature included prescribing information as well as tertiary sources and primary literature. DATA SUMMARY A total of 11 ADCs were reviewed for the purpose of this article. A description of the mechanism of action and structure of ADCs is outlined, and a table containing description of each currently FDA-approved ADC is included. Various mechanisms of ADC toxicity are reviewed, including how ADC structure may be implicated. CONCLUSION It is imperative that pharmacist clinicians understand the design and function of each component of an ADC to continue to assess new approvals for use in oncology patients. Understanding the design of the ADC can help a pharmacy practitioner compare and contrast adverse effect profiles to support their multidisciplinary teams and to engage patients in education and management of their care.
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Affiliation(s)
- Stephanie Pang
- Department of Pharmacy, University of Washington, Seattle, WA, USA
| | - Arianne Duong
- Department of Pharmacy, University of Washington, Seattle, WA, USA
| | - Chloe Siu
- Department of Pharmacy, University of Washington, Seattle, WA, USA
| | - Amy Indorf
- Department of Pharmacy, University of Washington, Seattle, WA, USA
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2
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Jiang M, Li Q, Xu B. Spotlight on ideal target antigens and resistance in antibody-drug conjugates: Strategies for competitive advancement. Drug Resist Updat 2024; 75:101086. [PMID: 38677200 DOI: 10.1016/j.drup.2024.101086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 04/09/2024] [Accepted: 04/18/2024] [Indexed: 04/29/2024]
Abstract
Antibody-drug conjugates (ADCs) represent a novel and promising approach in targeted therapy, uniting the specificity of antibodies that recognize specific antigens with payloads, all connected by the stable linker. These conjugates combine the best targeted and cytotoxic therapies, offering the killing effect of precisely targeting specific antigens and the potent cell-killing power of small molecule drugs. The targeted approach minimizes the off-target toxicities associated with the payloads and broadens the therapeutic window, enhancing the efficacy and safety profile of cancer treatments. Within precision oncology, ADCs have garnered significant attention as a cutting-edge research area and have been approved to treat a range of malignant tumors. Correspondingly, the issue of resistance to ADCs has gradually come to the fore. Any dysfunction in the steps leading to the ADCs' action within tumor cells can lead to the development of resistance. A deeper understanding of resistance mechanisms may be crucial for developing novel ADCs and exploring combination therapy strategies, which could further enhance the clinical efficacy of ADCs in cancer treatment. This review outlines the brief historical development and mechanism of ADCs and discusses the impact of their key components on the activity of ADCs. Furthermore, it provides a detailed account of the application of ADCs with various target antigens in cancer therapy, the categorization of potential resistance mechanisms, and the current state of combination therapies. Looking forward, breakthroughs in overcoming technical barriers, selecting differentiated target antigens, and enhancing resistance management and combination therapy strategies will broaden the therapeutic indications for ADCs. These progresses are anticipated to advance cancer treatment and yield benefits for patients.
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Affiliation(s)
- Mingxia Jiang
- Department of Medical Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiao Li
- Department of Medical Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Binghe Xu
- Department of Medical Oncology, State Key Laboratory of Mocelular Oncology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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3
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Anderson TS, McCormick AL, Smith SL, Lowe DB. Modeling antibody drug conjugate potential using a granzyme B antibody fusion protein. BMC Biol 2024; 22:66. [PMID: 38486229 PMCID: PMC10941411 DOI: 10.1186/s12915-024-01860-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 03/05/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND Antibody drug conjugates (ADCs) constitute a promising class of targeted anti-tumor therapeutics that harness the selectivity of monoclonal antibodies with the potency of cytotoxic drugs. ADC development is best suited to initially screening antibody candidates for desired properties that potentiate target cell cytotoxicity. However, validating and producing an optimally designed ADC requires expertise and resources not readily available to certain laboratories. RESULTS In this study, we propose a novel approach to help streamline the identification of potential ADC candidates by utilizing a granzyme B (GrB)-based antibody fusion protein (AFP) for preliminary screening. GrB is a non-immunogenic serine protease expressed by immune effector cells such as CD8 + T cells that induces apoptotic activity and can be leveraged for targeted cell killing. CONCLUSIONS Our innovative model allows critical antibody parameters (including target cell binding, internalization, and cytotoxic potential) to be more reliably evaluated in vitro through the creation of an ADC surrogate. Successful incorporation of this AFP could also significantly expand and enhance ADC development pre-clinically, ultimately leading to the accelerated translation of ADC therapies for patients.
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Affiliation(s)
- Trevor S Anderson
- Department of Immunotherapeutics and Biotechnology, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, 1718 Pine Street, Office 1306, Abilene, TX, 79601, USA
| | - Amanda L McCormick
- Department of Immunotherapeutics and Biotechnology, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, 1718 Pine Street, Office 1306, Abilene, TX, 79601, USA
| | - Savanna L Smith
- Department of Immunotherapeutics and Biotechnology, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, 1718 Pine Street, Office 1306, Abilene, TX, 79601, USA
| | - Devin B Lowe
- Department of Immunotherapeutics and Biotechnology, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, 1718 Pine Street, Office 1306, Abilene, TX, 79601, USA.
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4
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Suzuki H, Nagase S, Saito C, Takatsuka A, Nagata M, Honda K, Kaneda Y, Nishiya Y, Honda T, Ishizaka T, Nakamura K, Nakada T, Abe Y, Agatsuma T. Raludotatug Deruxtecan, a CDH6-Targeting Antibody-Drug Conjugate with a DNA Topoisomerase I Inhibitor DXd, Is Efficacious in Human Ovarian and Kidney Cancer Models. Mol Cancer Ther 2024; 23:257-271. [PMID: 38205802 PMCID: PMC10911705 DOI: 10.1158/1535-7163.mct-23-0287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 08/28/2023] [Accepted: 01/05/2024] [Indexed: 01/12/2024]
Abstract
Cadherin-6 (CDH6) is expressed in several cancer types, but no CDH6-targeted therapy is currently clinically available. Here, we generated raludotatug deruxtecan (R-DXd; DS-6000), a novel CDH6-targeting antibody-drug conjugate with a potent DNA topoisomerase I inhibitor, and evaluated its properties, pharmacologic activities, and safety profile. In vitro pharmacologic activities and the mechanisms of action of R-DXd were assessed in serous-type ovarian cancer and renal cell carcinoma cell lines. In vivo pharmacologic activities were evaluated with several human cancer cell lines and patient-derived xenograft mouse models. The safety profile in cynomolgus monkeys was also assessed. R-DXd exhibited CDH6 expression-dependent cell growth-inhibitory activity and induced tumor regression in xenograft models. In this process, R-DXd specifically bound to CDH6, was internalized into cancer cells, and then translocated to the lysosome. The DXd released from R-DXd induced the phosphorylation of Chk1, a DNA damage marker, and cleaved caspase-3, an apoptosis marker, in cancer cells. It was also confirmed that the DXd payload had a bystander effect, passing through the cell membrane and impacting surrounding cells. The safety profile of R-DXd was favorable and the highest non-severely toxic dose was 30 mg/kg in cynomolgus monkeys. R-DXd demonstrated potent antitumor activity against CDH6-expressing tumors in mice and an acceptable safety profile in monkeys. These findings indicate the potential of R-DXd as a new treatment option for patients with CDH6-expressing serous-type ovarian cancer and renal cell carcinoma in a clinical setting.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Yuki Abe
- Daiichi Sankyo Co., Ltd., Tokyo, Japan
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5
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Hejmady S, Pradhan R, Kumari S, Pandey M, Dubey SK, Taliyan R. Pharmacokinetics and toxicity considerations for antibody-drug conjugates: an overview. Bioanalysis 2023; 15:1193-1202. [PMID: 37724472 DOI: 10.4155/bio-2023-0104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/20/2023] Open
Abstract
Antibody-drug conjugates (ADCs) is one of the fastest-growing drug-delivery systems. It involves a monoclonal antibody conjugated with payload via a ligand that directly targets the expressive protein of diseased cell. Hence, it reduces systemic exposure and provides site-specific delivery along with reduced toxicity. Because of this advantage, researchers have gained interest in this novel system. ADCs have displayed great promise in drug delivery and biomedical applications. However, a lack of understanding exists on their mechanisms of biodistribution, metabolism and side effects. To gain a better understanding of the therapeutics, careful consideration of the pharmacokinetics and toxicity needs to be undertaken. In this review, different pharmacokinetics parameters including distribution, bioanalysis and heterogeneity are discussed for developing novel therapeutics.
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Affiliation(s)
- Siddhanth Hejmady
- Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA 52242, USA
| | - Rajesh Pradhan
- Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Pilani Campus, Rajasthan, 333031, India
| | - Shobha Kumari
- Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Pilani Campus, Rajasthan, 333031, India
| | - Meghna Pandey
- Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Pilani Campus, Rajasthan, 333031, India
| | - Sunil K Dubey
- Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Pilani Campus, Rajasthan, 333031, India
- Medical Research, R&D Healthcare Division, Emami Ltd, Kolkata 700056, India
| | - Rajeev Taliyan
- Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Pilani Campus, Rajasthan, 333031, India
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6
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Alameddine R, Mallea P, Shahab F, Zakharia Y. Antibody Drug Conjugates in Bladder Cancer: Current Milestones and Future Perspectives. Curr Treat Options Oncol 2023; 24:1167-1182. [PMID: 37403009 DOI: 10.1007/s11864-023-01114-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2023] [Indexed: 07/06/2023]
Abstract
OPINION STATEMENT Over the last several years, the treatment landscape of urothelial carcinoma has witnessed an unprecedented expansion of therapeutic options including checkpoint inhibitors, tyrosine kinase inhibitors, and antibody drug conjugates (ADC). Early trial data has shown that ADCs are safer and potentially effective treatment options in advanced bladder cancer as well as in the early disease. In particular, enfortumab-vedotin (EV) has shown promising results with a recent cohort of a clinical trial demonstrating that EV is effective as neoadjuvant monotherapy as well as in combination with pembrolizumab in metastatic setting. Similar promising results have been shown by other classes of ADC in other trials including sacituzumab-govitecan (SG) and oportuzumab monatox (OM). ADCs are likely to become a mainstay treatment option in the urothelial carcinoma playbook as either a monotherapy or combination therapy. The cost of the drug presents a real challenge, but further trial data may justify the use of the drug as mainstay treatment.
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Affiliation(s)
- Raafat Alameddine
- Division of Hematology Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Patrick Mallea
- Department of Internal Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Farhan Shahab
- Department of Emergency Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Yousef Zakharia
- Division of Hematology Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.
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7
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Choules MP, Zuo P, Otsuka Y, Garg A, Tang M, Bonate P. Physiologically based pharmacokinetic model to predict drug-drug interactions with the antibody-drug conjugate enfortumab vedotin. J Pharmacokinet Pharmacodyn 2023:10.1007/s10928-023-09877-5. [PMID: 37632598 DOI: 10.1007/s10928-023-09877-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 07/13/2023] [Indexed: 08/28/2023]
Abstract
Enfortumab vedotin is an antibody-drug conjugate (ADC) comprised of a Nectin-4-directed antibody and monomethyl auristatin E (MMAE), which is primarily eliminated through P-glycoprotein (P-gp)-mediated excretion and cytochrome P450 3A4 (CYP3A4)-mediated metabolism. A physiologically based pharmacokinetic (PBPK) model was developed to predict effects of combined P-gp with CYP3A4 inhibitor/inducer (ketoconazole/rifampin) on MMAE exposure when coadministered with enfortumab vedotin and study enfortumab vedotin with CYP3A4 (midazolam) and P-gp (digoxin) substrate exposure. A PBPK model was built for enfortumab vedotin and unconjugated MMAE using the PBPK simulator ADC module. A similar model was developed with brentuximab vedotin, an ADC with the same valine-citrulline-MMAE linker as enfortumab vedotin, for MMAE drug-drug interaction (DDI) verification using clinical data. The DDI simulation predicted a less-than-2-fold increase in MMAE exposure with enfortumab vedotin plus ketoconazole (MMAE geometric mean ratio [GMR] for maximum concentration [Cmax], 1.15; GMR for area under the time-concentration curve from time 0 to last quantifiable concentration [AUClast], 1.38). Decreased MMAE exposure above 50% but below 80% was observed with enfortumab vedotin plus rifampin (MMAE GMR Cmax, 0.72; GMR AUClast, 0.47). No effect of enfortumab vedotin on midazolam or digoxin systemic exposure was predicted. Results suggest that combination enfortumab vedotin, P-gp, and a CYP3A4 inhibitor may result in increased MMAE exposure and patients should be monitored for potential adverse effects. Combination P-gp and a CYP3A4 inducer may result in decreased MMAE exposure. No exposure change is expected for CYP3A4 or P-gp substrates when combined with enfortumab vedotin.ClinicalTrials.gov identifier Not applicable.
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Affiliation(s)
- Mary P Choules
- Clinical Pharmacology and Exploratory Development, Astellas Pharma Global, Inc., One Astellas Way, Northbrook, IL, 60062, USA.
| | - Peiying Zuo
- Clinical Pharmacology and Exploratory Development, Astellas Pharma Global, Inc., One Astellas Way, Northbrook, IL, 60062, USA
| | - Yukio Otsuka
- Clinical Pharmacology and Exploratory Development, Astellas Pharma Global, Inc., Tokyo, Japan
| | - Amit Garg
- Quantitative Pharmacology and Disposition, Seagen Inc., South San Francisco, CA, USA
| | - Mei Tang
- Clinical Pharmacology and Exploratory Development, Astellas Pharma Global, Inc., One Astellas Way, Northbrook, IL, 60062, USA
| | - Peter Bonate
- Clinical Pharmacology and Exploratory Development, Astellas Pharma Global, Inc., One Astellas Way, Northbrook, IL, 60062, USA
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8
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Aggarwal D, Yang J, Salam MA, Sengupta S, Al-Amin MY, Mustafa S, Khan MA, Huang X, Pawar JS. Antibody-drug conjugates: the paradigm shifts in the targeted cancer therapy. Front Immunol 2023; 14:1203073. [PMID: 37671162 PMCID: PMC10475555 DOI: 10.3389/fimmu.2023.1203073] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/27/2023] [Indexed: 09/07/2023] Open
Abstract
Cancer is one of the deadliest diseases, causing million of deaths each year globally. Conventional anti-cancer therapies are non-targeted and have systemic toxicities limiting their versatile applications in many cancers. So, there is an unmet need for more specific therapeutic options that will be effective as well as free from toxicities. Antibody-drug conjugates (ADCs) are suitable alternatives with the right potential and improved therapeutic index for cancer therapy. The ADCs are highly precise new class of biopharmaceutical products that covalently linked a monoclonal antibody (mAb) (binds explicitly to a tumor-associated surface antigen) with a customized cytotoxic drug (kills cancer cells) and tied via a chemical linker (releases the drug). Due to its precise design, it brings about the target cell killing sparing the normal counterpart and free from the toxicities of conventional chemotherapy. It has never been so easy to develop potential ADCs for successful therapeutic usage. With relentless efforts, it took almost a century for scientists to advance the formula and design ADCs for its current clinical applications. Until now, several ADCs have passed successfully through preclinical and clinical trials and because of proven efficacy, a few are approved by the FDA to treat various cancer types. Even though ADCs posed some shortcomings like adverse effects and resistance at various stages of development, with continuous efforts most of these limitations are addressed and overcome to improve their efficacy. In this review, the basics of ADCs, physical and chemical properties, the evolution of design, limitations, and future potentials are discussed.
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Affiliation(s)
- Devesh Aggarwal
- Department of Chemistry, Purdue University, West Lafayette, IN, United States
| | - Jie Yang
- Department of Orthopedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Md. Abdus Salam
- Department of Basic Medical Sciences, Kulliyyah of Medicine, International Islamic University Malaysia, Kuantan, Malaysia
| | - Sagnik Sengupta
- Department of Chemistry, Purdue University, West Lafayette, IN, United States
| | - Md. Yusuf Al-Amin
- Department of Chemistry, Purdue University, West Lafayette, IN, United States
- Purdue University Interdisciplinary Life Sciences Graduate Program, Purdue University, West Lafayette, IN, United States
| | - Saad Mustafa
- Deen Dayal Upadhyaya (DDU) Kaushal Kendra, Jamia Millia Islamia University, New Delhi, India
| | - Mohammad Aasif Khan
- Division of Hematology and Medical Oncology, Department of Medicine, University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, TX, United States
| | - Xun Huang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Medicine, Linyi University, Linyi, Shandong, China
| | - Jogendra Singh Pawar
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN, United States
- The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, Columbus, OH, United States
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Lahnif H, Grus T, Salvanou EA, Deligianni E, Stellas D, Bouziotis P, Rösch F. Old Drug, New Delivery Strategy: MMAE Repackaged. Int J Mol Sci 2023; 24:ijms24108543. [PMID: 37239890 DOI: 10.3390/ijms24108543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/04/2023] [Accepted: 05/07/2023] [Indexed: 05/28/2023] Open
Abstract
Targeting therapy is a concept that has gained significant importance in recent years, especially in oncology. The severe dose-limiting side effects of chemotherapy necessitate the development of novel, efficient and tolerable therapy approaches. In this regard, the prostate specific membrane antigene (PSMA) has been well established as a molecular target for diagnosis of, as well as therapy for, prostate cancer. Although most PSMA-targeting ligands are radiopharmaceuticals used in imaging or radioligand therapy, this article evaluates a PSMA-targeting small molecule-drug conjugate, and, thus, addresses a hitherto little-explored field. PSMA binding affinity and cytotoxicity were determined in vitro using cell-based assays. Enzyme-specific cleavage of the active drug was quantified via an enzyme-based assay. Efficacy and tolerability in vivo were assessed using an LNCaP xenograft model. Histopathological characterization of the tumor in terms of apoptotic status and proliferation rate was carried out using caspase-3 and Ki67 staining. The binding affinity of the Monomethyl auristatin E (MMAE) conjugate was moderate, compared to the drug-free PSMA ligand. Cytotoxicity in vitro was in the nanomolar range. Both binding and cytotoxicity were found to be PSMA-specific. Additionally, complete MMAE release could be reached after incubation with cathepsin B. In vivo, the MMAE conjugate displayed good tolerability and dose-dependent inhibition of tumor growth. Immunohistochemical and histological studies revealed the antitumor effect of MMAE.VC.SA.617, resulting in the inhibition of proliferation and the enhancement of apoptosis. The developed MMAE conjugate showed good properties in vitro, as well as in vivo, and should, therefore, be considered a promising candidate for a translational approach.
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Affiliation(s)
- Hanane Lahnif
- Department of Chemistry-TRIGA Site, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
| | - Tilmann Grus
- Department of Chemistry-TRIGA Site, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
| | - Evangelia-Alexandra Salvanou
- Radiochemical Studies Laboratory, INRASTES, National Center for Scientific Research "Demokritos", Ag. Paraskevi, 15341 Athens, Greece
| | - Elisavet Deligianni
- Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
| | - Dimitris Stellas
- Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
| | - Penelope Bouziotis
- Radiochemical Studies Laboratory, INRASTES, National Center for Scientific Research "Demokritos", Ag. Paraskevi, 15341 Athens, Greece
| | - Frank Rösch
- Department of Chemistry-TRIGA Site, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
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10
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Rosner S, Valdivia A, Hoe HJ, Murray JC, Levy B, Felip E, Solomon BJ. Antibody-Drug Conjugates for Lung Cancer: Payloads and Progress. Am Soc Clin Oncol Educ Book 2023; 43:e389968. [PMID: 37163707 DOI: 10.1200/edbk_389968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Antibody Drug Conjugates (ADCs) are a novel class of therapeutic that structurally comprise an antibody directed at a tumor epitope connected via a linker to a cytotoxic payload that have shown significant antitumor activity across a range of malignancies including lung cancer. In this article we review the pharmacology of ADCs, describe results of trials with ADCs directed at targets in lung cancer including Trophoblast cell-surface antigen 2(TROP2), HER3, MET, Carcinoembryonic antigen-related cell adhesion molecular 5(CECAM-5) and HER2. Trastuzumab Deruxtecan (also known as DS-8201a or T-DXd) an ADC directed at HER2 recently became the first ADC to receive FDA approval in lung cancer, on the basis of its activity in tumors with HER2 mutations, demonstrated in the Destiny-Lung01 and Lung02 trials.
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Affiliation(s)
- Samuel Rosner
- Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD
| | - Augusto Valdivia
- Oncology Department, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Hui Jing Hoe
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
| | | | - Benjamin Levy
- Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD
| | - Enriqueta Felip
- Oncology Department, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Benjamin J Solomon
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
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11
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Alternative Chemistries for Free Radical-Initiated Targeting and Immobilization. J Funct Biomater 2023; 14:jfb14030153. [PMID: 36976077 PMCID: PMC10059711 DOI: 10.3390/jfb14030153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 03/15/2023] Open
Abstract
Stimuli-responsive biomaterials are an emerging strategy that leverage common pathophysiological triggers to target drug delivery to limit or avoid toxic side effects. Native free radicals, such as reactive oxygen species (ROS), are widely upregulated in many pathological states. We have previously demonstrated that native ROS are capable of crosslinking and immobilizing acrylated polyethylene glycol diacrylate (PEGDA) networks and coupled payloads in tissue mimics, providing evidence for a potential targeting mechanism. To build on these promising results, we evaluated PEG dialkenes and dithiols as alternative polymer chemistries for targeting. The reactivity, toxicity, crosslinking kinetics, and immobilization potential of PEG dialkenes and dithiols were characterized. Both the alkene and thiol chemistries crosslinked in the presence of ROS, generating high molecular weight polymer networks that immobilized fluorescent payloads in tissue mimics. Thiols were especially reactive and even reacted with acrylates in the absence of free radicals, and this motivated us to explore a two-phase targeting approach. Delivering thiolated payloads in a second phase, after the initial polymer net formation, allowed greater control over the payload dosing and timing. Two-phase delivery combined with a library of radical-sensitive chemistries can enhance the versatility and flexibility of this free radical-initiated platform delivery system.
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12
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Corogeanu D, Zaki K, Beavil AJ, Arnold JN, Diebold SS. Antibody conjugates for targeted delivery of Toll-like receptor 9 agonist to the tumor tissue. PLoS One 2023; 18:e0282831. [PMID: 36913398 PMCID: PMC10010539 DOI: 10.1371/journal.pone.0282831] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 02/23/2023] [Indexed: 03/14/2023] Open
Abstract
Imiquimod, a Toll-like receptor 7 (TLR7) agonist is routinely used for topical administration in basal cell carcinoma and stage zero melanoma. Similarly, the TLR agonist Bacillus Calmette-Guérin is used for the local treatment of bladder cancer and clinical trials showed treatment efficacy of intratumoral injections with TLR9 agonists. However, when administered systemically, endosomal TLR agonists cause adverse responses due to broad immune activation. Hence, strategies for targeted delivery of TLR agonists to the tumor tissue are needed to enable the widespread use of endosomal TLR agonists in the context of tumor immunotherapy. One strategy for targeted delivery of TLR agonist is their conjugation to tumor antigen-specific therapeutic antibodies. Such antibody-TLR agonist conjugates act synergistically by inducing local TLR-mediated innate immune activation which complements the anti-tumor immune mechanisms induced by the therapeutic antibody. In this study, we explored different conjugation strategies for TLR9 agonists to immunoglobulin G (IgG). We evaluated biochemical conjugation of immunostimulatory CpG oligodesoxyribonucleotides (ODN) to the HER2-specific therapeutic antibody Trastuzumab with different cross-linkers comparing stochastic with site-specific conjugation. The physiochemical make-up and biological activities of the generated Trastuzumab-ODN conjugates were characterized in vitro and demonstrated that site-specific conjugation of CpG ODN is crucial for maintaining the antigen-binding capabilities of Trastuzumab. Furthermore, site-specific conjugate was effective in promoting anti-tumor immune responses in vivo in a pseudo-metastasis mouse model with engineered human HER2-transgenic tumor cells. In this in vivo model, co-delivery of Trastuzumab and CpG ODN in form of site-specific conjugates was superior to co-injection of unconjugated Trastuzumab, CpG ODN or stochastic conjugate in promoting T cell activation and expansion. Thereby, this study highlights that site-specific conjugation of CpG ODN to therapeutic antibodies targeting tumor markers is a feasible and more reliable approach for generation of conjugates which retain and combine the functional properties of the adjuvant and the antibody.
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Affiliation(s)
- Diana Corogeanu
- National Institute for Biological Standards and Control (NIBSC), Biotherapeutics Division, Medicines and Healthcare products Regulatory Agency, Potters Bar, United Kingdom
| | - Kam Zaki
- National Institute for Biological Standards and Control (NIBSC), Advanced Therapies Division, Medicines and Healthcare products Regulatory Agency, Potters Bar, United Kingdom
| | - Andrew J Beavil
- King's College London, School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, Guy's Hospital, London, United Kingdom
| | - James N Arnold
- King's College London, School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, Guy's Hospital, London, United Kingdom
| | - Sandra S Diebold
- National Institute for Biological Standards and Control (NIBSC), Biotherapeutics Division, Medicines and Healthcare products Regulatory Agency, Potters Bar, United Kingdom
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13
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Yang Y, Wang S, Ma P, Jiang Y, Cheng K, Yu Y, Jiang N, Miao H, Tang Q, Liu F, Zha Y, Li N. Drug conjugate-based anticancer therapy - Current status and perspectives. Cancer Lett 2023; 552:215969. [PMID: 36279982 DOI: 10.1016/j.canlet.2022.215969] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/08/2022] [Accepted: 10/13/2022] [Indexed: 11/07/2022]
Abstract
Drug conjugates are conjugates comprising a tumor-homing carrier tethered to a cytotoxic agent via a linker that are designed to deliver an ultra-toxic payload directly to the target cancer cells. This strategy has been successfully used to increase the therapeutic efficacy of cytotoxic agents and reduce their toxic side effects. Drug conjugates are being developed worldwide, with the potential to revolutionize current cancer treatment strategies. Antibody-drug conjugates (ADCs) have developed rapidly, and 14 of them have received market approval since the first approval event by the Food and Drug Administration in 2000. However, there are some limitations in the use of antibodies as carriers. Other classes of drug conjugates are emerging, such as targeted drugs conjugated with peptides (peptide-drug conjugates, PDCs) and polymers (polymer-drug conjugates, PolyDCs) with the remaining constructs similar to those of ADCs. These novel drug conjugates are gaining attention because they overcome the limitations of ADCs. This review summarizes the current state and advancements in knowledge regarding the design, constructs, and clinical efficacy of different drug conjugates.
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Affiliation(s)
- Yuqi Yang
- NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital, Guiyang, 550002, China
| | - Shuhang Wang
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Peiwen Ma
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yale Jiang
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Keman Cheng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
| | - Yue Yu
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Ning Jiang
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Huilei Miao
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Qiyu Tang
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Funan Liu
- First Affiliated Hospital of China Medical University, Shenyang, 110002, China
| | - Yan Zha
- NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital, Guiyang, 550002, China.
| | - Ning Li
- National Central Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
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14
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Tannoury M, Garnier D, Susin SA, Bauvois B. Current Status of Novel Agents for the Treatment of B Cell Malignancies: What's Coming Next? Cancers (Basel) 2022; 14:6026. [PMID: 36551511 PMCID: PMC9775488 DOI: 10.3390/cancers14246026] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 11/29/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022] Open
Abstract
Resistance to death is one of the hallmarks of human B cell malignancies and often contributes to the lack of a lasting response to today's commonly used treatments. Drug discovery approaches designed to activate the death machinery have generated a large number of inhibitors of anti-apoptotic proteins from the B-cell lymphoma/leukemia 2 family and the B-cell receptor (BCR) signaling pathway. Orally administered small-molecule inhibitors of Bcl-2 protein and BCR partners (e.g., Bruton's tyrosine kinase and phosphatidylinositol-3 kinase) have already been included (as monotherapies or combination therapies) in the standard of care for selected B cell malignancies. Agonistic monoclonal antibodies and their derivatives (antibody-drug conjugates, antibody-radioisotope conjugates, bispecific T cell engagers, and chimeric antigen receptor-modified T cells) targeting tumor-associated antigens (TAAs, such as CD19, CD20, CD22, and CD38) are indicated for treatment (as monotherapies or combination therapies) of patients with B cell tumors. However, given that some patients are either refractory to current therapies or relapse after treatment, novel therapeutic strategies are needed. Here, we review current strategies for managing B cell malignancies, with a focus on the ongoing clinical development of more effective, selective drugs targeting these molecules, as well as other TAAs and signaling proteins. The observed impact of metabolic reprogramming on B cell pathophysiology highlights the promise of targeting metabolic checkpoints in the treatment of these disorders.
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Affiliation(s)
| | | | | | - Brigitte Bauvois
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Inserm, Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, F-75006 Paris, France
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15
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Dannheim FM, Walsh SJ, Orozco CT, Hansen AH, Bargh JD, Jackson SE, Bond NJ, Parker JS, Carroll JS, Spring DR. All-in-one disulfide bridging enables the generation of antibody conjugates with modular cargo loading. Chem Sci 2022; 13:8781-8790. [PMID: 35975158 PMCID: PMC9350601 DOI: 10.1039/d2sc02198f] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/10/2022] [Indexed: 12/30/2022] Open
Abstract
Antibody-drug conjugates (ADCs) are valuable therapeutic entities which leverage the specificity of antibodies to selectively deliver cytotoxins to antigen-expressing targets such as cancer cells. However, current methods for their construction still suffer from a number of shortcomings. For instance, using a single modification technology to modulate the drug-to-antibody ratio (DAR) in integer increments while maintaining homogeneity and stability remains exceptionally challenging. Herein, we report a novel method for the generation of antibody conjugates with modular cargo loading from native antibodies. Our approach relies on a new class of disulfide rebridging linkers, which can react with eight cysteine residues, thereby effecting all-in-one bridging of all four interchain disulfides in an IgG1 antibody with a single linker molecule. Modification of the antibody with the linker in a 1 : 1 ratio enabled the modulation of cargo loading in a quick and selective manner through derivatization of the linker with varying numbers of payload attachment handles to allow for attachment of either 1, 2, 3 or 4 payloads (fluorescent dyes or cytotoxins). Assessment of the biological activity of these conjugates demonstrated their exceptional stability in human plasma and utility for cell-selective cytotoxin delivery or imaging/diagnostic applications.
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Affiliation(s)
| | - Stephen J Walsh
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
- Cancer Research UK Cambridge Institute, University of Cambridge Cambridge CB2 0RE UK
| | - Carolina T Orozco
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
| | - Anders Højgaard Hansen
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
- Department of Chemistry, Technical University of Denmark (DTU) 2800 Kgs. Lyngby Denmark
| | - Jonathan D Bargh
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
| | - Sophie E Jackson
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
| | - Nicholas J Bond
- Analytical Sciences, Biopharmaceutical Development, R&D, AstraZeneca Granta Park Cambridge CB21 6GH UK
| | - Jeremy S Parker
- Early Chemical Development, Pharmaceutical Development, R&D, AstraZeneca Macclesfield SK10 2NA UK
| | - Jason S Carroll
- Cancer Research UK Cambridge Institute, University of Cambridge Cambridge CB2 0RE UK
| | - David R Spring
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
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16
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Optimization of Propofol Dose Estimated During Anesthesia Through Artificial Intelligence by Genetic Algorithm: Design and Clinical Assessment. Neural Process Lett 2022. [DOI: 10.1007/s11063-022-10751-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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17
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Jin Y, Schladetsch MA, Huang X, Balunas MJ, Wiemer AJ. Stepping forward in antibody-drug conjugate development. Pharmacol Ther 2022; 229:107917. [PMID: 34171334 PMCID: PMC8702582 DOI: 10.1016/j.pharmthera.2021.107917] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 01/03/2023]
Abstract
Antibody-drug conjugates (ADCs) are cancer therapeutic agents comprised of an antibody, a linker and a small-molecule payload. ADCs use the specificity of the antibody to target the toxic payload to tumor cells. After intravenous administration, ADCs enter circulation, distribute to tumor tissues and bind to the tumor surface antigen. The antigen then undergoes endocytosis to internalize the ADC into tumor cells, where it is transported to lysosomes to release the payload. The released toxic payloads can induce apoptosis through DNA damage or microtubule inhibition and can kill surrounding cancer cells through the bystander effect. The first ADC drug was approved by the United States Food and Drug Administration (FDA) in 2000, but the following decade saw no new approved ADC drugs. From 2011 to 2018, four ADC drugs were approved, while in 2019 and 2020 five more ADCs entered the market. This demonstrates an increasing trend for the clinical development of ADCs. This review summarizes the recent clinical research, with a specific focus on how the in vivo processing of ADCs influences their design. We aim to provide comprehensive information about current ADCs to facilitate future development.
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Affiliation(s)
- Yiming Jin
- Division of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Megan A Schladetsch
- Division of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Xueting Huang
- Division of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Marcy J Balunas
- Division of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Andrew J Wiemer
- Division of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269, USA; Institute for Systems Genomics, University of Connecticut, Storrs, CT 06269, USA.
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18
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Rottey S, Clarke J, Aung K, Machiels JP, Markman B, Heinhuis KM, Millward M, Lolkema M, Patel SP, de Souza P, Duca M, Curigliano G, Santoro A, Koyama T, Brown M, Vezina H, He C, Chu QSC. Phase I/IIa Trial of BMS-986148, an Anti-mesothelin Antibody-drug Conjugate, Alone or in Combination with Nivolumab in Patients with Advanced Solid Tumors. Clin Cancer Res 2022; 28:95-105. [PMID: 34615718 PMCID: PMC9401510 DOI: 10.1158/1078-0432.ccr-21-1181] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/07/2021] [Accepted: 10/04/2021] [Indexed: 01/07/2023]
Abstract
PURPOSE To assess the safety and tolerability of BMS-986148, a mesothelin-directed antibody-drug conjugate (ADC) ± nivolumab, in patients with selected tumors. PATIENTS AND METHODS In an international phase I/IIa study [NCT02341625 (CA008-002)], patients received BMS-986148 monotherapy (0.1-1.6 mg/kg intravenously (i.v.) every 3 weeks or 0.4 or 0.6 mg/kg i.v. once weekly; n = 96) or BMS-986148 0.8 mg/kg + nivolumab 360 mg i.v. every 3 weeks (n = 30). The primary endpoint was safety and tolerability. RESULTS In CA008-002, the most common (≥ 10%) treatment-related adverse events (TRAEs) included increased aspartate aminotransferase, alanine aminotransferase, and alkaline phosphatase. Grade 3/4 TRAEs occurred in 42 patients (49%) receiving BMS-986148 every 3 weeks monotherapy, three (25%) receiving BMS-986148 once-weekly monotherapy, and 10 (33%) receiving BMS-986148 + nivolumab every 3 weeks. Overall, 17 of 126 patients (13%) discontinued because of a TRAE. The MTD of BMS-986148 was 1.2 mg/kg i.v. every 3 weeks. The safety profile of BMS-986148 + nivolumab was similar to that of BMS-986148 monotherapy (0.8 mg/kg). Active ADC exposures increased in a dose-proportional manner with both dosing regimens (every 3 weeks and once weekly). Preliminary clinical activity was observed with BMS-986148 ± nivolumab. No association between mesothelin expression and response was detected. CONCLUSIONS BMS-986148 ± nivolumab demonstrated a clinically manageable safety profile and preliminary evidence of clinical activity, supporting additional studies combining directed cytotoxic therapies with checkpoint inhibitors as potential multimodal therapeutic strategies in patients with advanced solid tumors.
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Affiliation(s)
| | | | - Kyaw Aung
- Princess Margaret Cancer Center, Toronto, Ontario, Canada
| | | | - Ben Markman
- Monash Health and Monash University, Melbourne, Victoria, Australia
| | | | - Michael Millward
- Linear Clinical Research and the University of Western Australia, Perth, Western Australia, Australia
| | | | - Sandip Pravin Patel
- University of California San Diego Moores Cancer Center, La Jolla, California
| | - Paul de Souza
- Western Sydney University School of Medicine, Liverpool, New South Wales, Australia
| | - Matteo Duca
- Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - Armando Santoro
- Humanitas University, IRCCS Humanitas Research Hospital, Rozzano-Milan, Italy
| | | | | | | | | | - Quincy Siu-Chung Chu
- Cross Cancer Center Institute, Edmonton, Alberta, Canada.,Corresponding Author: Quincy Siu-Chung Chu, Department of Medical Oncology, Cross Cancer Institute, University of Alberta, 11560 University Ave, Edmonton, AB T6G 1Z2, Canada. Phone: 780-577-8082; Fax: 780-432-8888; E-mail:
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19
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Fatima SW, Khare SK. Benefits and challenges of antibody drug conjugates as novel form of chemotherapy. J Control Release 2021; 341:555-565. [PMID: 34906604 DOI: 10.1016/j.jconrel.2021.12.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 12/14/2022]
Abstract
Antibody drug conjugates (ADCs) are an emerging therapeutic modality for targeted cancer treatment. They represent the unique amalgamation of chemotherapy and immunotherapy. ADCs comprise of monoclonal antibodies linked with drugs (payloads) through a chemical linker designed to deliver the cytotoxic moiety to the cancer cells. The present paper is a review of recent clinical advances of each component of ADCs (antibody/linker/payload) and how the individual component influences the activity of ADCs. The review discusses opportunities for improving ADCs efficiency and ways to have a better antibody-based molecular platform, which could substantially increase chemotherapy outcomes. This review casts an outlook on how ADCs enhancement in terms of their pharmacokinetics, therapeutic indexes and safety profiles can overcome the prevailing challenges like drug resistance in cancer treatment. A novel strategy of augmenting antibodies with nanoparticles anticipates a huge success in terms of targeted delivery of drugs in several diseases. Antibody conjugated nanoparticles (ACNPs) are a very promising strategy for the cutting-edge development of chemo/immunotherapies for efficient delivery of payloads at the targeted cancer cells. The avenues of a high drug to antibody ratio (DAR) owing to the selection of broad chemotherapy payloads, regulating drug release eliciting higher avidity of ACNPs over ADCs will be the modern immunotherapeutics. ACNPs carry immense potential to mark a paradigm shift in cancer chemotherapy that may be a substitute for ADCs.
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Affiliation(s)
- Syeda Warisul Fatima
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Sunil K Khare
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, New Delhi 110016, India.
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20
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Sang H, Liu J, Zhou F, Zhang X, Zhang J, Liu Y, Wang G, Ye H. Target-responsive subcellular catabolism analysis for early-stage antibody-drug conjugates screening and assessment. Acta Pharm Sin B 2021; 11:4020-4031. [PMID: 35024323 PMCID: PMC8727762 DOI: 10.1016/j.apsb.2021.05.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/08/2021] [Accepted: 05/18/2021] [Indexed: 12/11/2022] Open
Abstract
Events including antibody‒antigen affinity, internalization, trafficking and lysosomal proteolysis combinatorially determine the efficiency of antibody-drug conjugate (ADC) catabolism and hence the toxicity. Nevertheless, an approach that conveniently identifies proteins requisite for payload release and the ensuing toxicity for mechanistic studies and quality assessment is lacking. Considering the plethora of ADC candidates under development, we developed a target-responsive subcellular catabolism (TARSC) approach that examines ADC catabolism and probes changes in response to targeted interferences of proteins of interest. We firstly applied TARSC to study the commercial T-DM1 and the biosimilar. We recorded unequivocal catabolic behaviors regardless of the absence and presence of the targeted interferences. Their negligible differences in TARSC profiles agreed with their undifferentiated anti-tumoral efficacy according to further in vitro viability and in vivo tumor growth assays, highlighting TARSC analysis as a useful tool for biosimilarity assessment and functional dissection of proteins requisite for ADC catabolism. Additionally, we employed TARSC to investigate the catabolic behavior of a new trastuzumab-toxin conjugate. Collectively, TARSC can not only characterize ADC catabolism at (sub)cellular level but also comprehensively determine which protein targets affect payload release and therapeutic outcomes. Future use of TARSC is thus anticipated in early-stage screening, quality assessment and mechanistic investigations of ADCs.
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Affiliation(s)
- Hua Sang
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacy, the Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Jiali Liu
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Fang Zhou
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaofang Zhang
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Jingwei Zhang
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Yazhong Liu
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Guangji Wang
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Corresponding authors. Tel.: +86 25 83271176 (Guangji Wang), +86 25 83271179 (Hui Ye)
| | - Hui Ye
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Corresponding authors. Tel.: +86 25 83271176 (Guangji Wang), +86 25 83271179 (Hui Ye)
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21
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Ganesan K, Wang Y, Gao F, Liu Q, Zhang C, Li P, Zhang J, Chen J. Targeting Engineered Nanoparticles for Breast Cancer Therapy. Pharmaceutics 2021; 13:pharmaceutics13111829. [PMID: 34834243 PMCID: PMC8623926 DOI: 10.3390/pharmaceutics13111829] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/11/2021] [Accepted: 10/26/2021] [Indexed: 12/11/2022] Open
Abstract
Breast cancer (BC) is the second most common cancer in women globally after lung cancer. Presently, the most important approach for BC treatment consists of surgery, followed by radiotherapy and chemotherapy. The latter therapeutic methods are often unsuccessful in the treatment of BC because of their various side effects and the damage incurred to healthy tissues and organs. Currently, numerous nanoparticles (NPs) have been identified and synthesized to selectively target BC cells without causing any impairments to the adjacent normal tissues or organs. Based on an exploratory study, this comprehensive review aims to provide information on engineered NPs and their payloads as promising tools in the treatment of BC. Therapeutic drugs or natural bioactive compounds generally incorporate engineered NPs of ideal sizes and shapes to enhance their solubility, circulatory half-life, and biodistribution, while reducing their side effects and immunogenicity. Furthermore, ligands such as peptides, antibodies, and nucleic acids on the surface of NPs precisely target BC cells. Studies on the synthesis of engineered NPs and their impact on BC were obtained from PubMed, Science Direct, and Google Scholar. This review provides insights on the importance of engineered NPs and their methodology for validation as a next-generation platform with preventive and therapeutic effects against BC.
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Affiliation(s)
- Kumar Ganesan
- Li Ka Shing Faculty of Medicine, School of Chinese Medicine, The University of Hong Kong, Hong Kong, China; (K.G.); (Y.W.); (Q.L.)
| | - Yan Wang
- Li Ka Shing Faculty of Medicine, School of Chinese Medicine, The University of Hong Kong, Hong Kong, China; (K.G.); (Y.W.); (Q.L.)
| | - Fei Gao
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; (F.G.); (C.Z.)
| | - Qingqing Liu
- Li Ka Shing Faculty of Medicine, School of Chinese Medicine, The University of Hong Kong, Hong Kong, China; (K.G.); (Y.W.); (Q.L.)
- Shenzhen Institute of Research and Innovation, The University of Hong Kong, Shenzhen 518063, China
| | - Chen Zhang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; (F.G.); (C.Z.)
| | - Peng Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China;
| | - Jinming Zhang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; (F.G.); (C.Z.)
- Correspondence: (J.Z.); (J.C.); Tel.: +852-3917-6479 (J.C.)
| | - Jianping Chen
- Li Ka Shing Faculty of Medicine, School of Chinese Medicine, The University of Hong Kong, Hong Kong, China; (K.G.); (Y.W.); (Q.L.)
- Shenzhen Institute of Research and Innovation, The University of Hong Kong, Shenzhen 518063, China
- Correspondence: (J.Z.); (J.C.); Tel.: +852-3917-6479 (J.C.)
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22
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Martín-Sabroso C, Lozza I, Torres-Suárez AI, Fraguas-Sánchez AI. Antibody-Antineoplastic Conjugates in Gynecological Malignancies: Current Status and Future Perspectives. Pharmaceutics 2021; 13:1705. [PMID: 34683998 PMCID: PMC8541375 DOI: 10.3390/pharmaceutics13101705] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/08/2021] [Accepted: 10/12/2021] [Indexed: 12/18/2022] Open
Abstract
In the last decade, antibody-drug conjugates (ADCs), normally formed by a humanized antibody and a small drug via a chemical cleavable or non-cleavable linker, have emerged as a potential treatment strategy in cancer disease. They allow to get a selective delivery of the chemotherapeutic agents at the tumor level, and, consequently, to improve the antitumor efficacy and, especially to decrease chemotherapy-related toxicity. Currently, nine antibody-drug conjugate-based formulations have been already approved and more than 80 are under clinical trials for the treatment of several tumors, especially breast cancer, lymphomas, and multiple myeloma. To date, no ADCs have been approved for the treatment of gynecological formulations, but many formulations have been developed and have reached the clinical stage, especially for the treatment of ovarian cancer, an aggressive disease with a low five-year survival rate. This manuscript analyzes the ADCs formulations that are under clinical research in the treatment of gynecological carcinomas, specifically ovarian, endometrial, and cervical tumors.
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Affiliation(s)
- Cristina Martín-Sabroso
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (C.M.-S.); (I.L.); (A.I.T.-S.)
- Institute of Industrial Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
| | - Irene Lozza
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (C.M.-S.); (I.L.); (A.I.T.-S.)
| | - Ana Isabel Torres-Suárez
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (C.M.-S.); (I.L.); (A.I.T.-S.)
- Institute of Industrial Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
| | - Ana Isabel Fraguas-Sánchez
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (C.M.-S.); (I.L.); (A.I.T.-S.)
- Institute of Industrial Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
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23
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Hama S, Sakai M, Itakura S, Majima E, Kogure K. Rapid modification of antibodies on the surface of liposomes composed of high-affinity protein A-conjugated phospholipid for selective drug delivery. Biochem Biophys Rep 2021; 27:101067. [PMID: 34258398 PMCID: PMC8260867 DOI: 10.1016/j.bbrep.2021.101067] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/27/2021] [Accepted: 06/28/2021] [Indexed: 12/12/2022] Open
Abstract
Antibody-modified liposomes, immuno-liposomes, can selectively deliver encapsulated drug ‘cargos’ to cells via the interaction of cell surface proteins with antibodies. However, chemical modification of both the antibodies and phospholipids is required for the preparation of immuno-liposomes for each target protein using conventional methods, which is time-consuming. In the present study, we demonstrated that high-affinity protein A- (Protein A-R28: PAR28) displaying liposomes prepared by the post-insertion of PAR28-conjugated phospholipid through polyethylene glycol (PEG)-linkers (PAR28-PEG-lipo) can undergo rapid modification of antibodies on their surface, and the liposomes can be delivered to cells based on their modified antibodies. Anti-CD147 and anti-CD31 antibodies could be modified with PAR28-PEG-lipo within 1 h, and each liposome was specifically taken up by CD147- and CD31-positive cells, respectively. The cellular amounts of doxorubicin delivered by anti-CD147 antibody-modified PAR28-PEG-lipo were significantly higher than those of isotype control antibody-modified liposomes. PAR28-PEG-lipo can easily and rapidly undergo modification of various antibodies on their surface, which then makes them capable of selective drug delivery dependent on the antibodies. PAR28-PEG-lipo underwent rapid modification of antibodies on their surface. PAR28-PEG-lipo were modified with various antibodies with Fc regions. Antibody-modified PAR28-PEG-lipo were taken up by the targeting cells. Antibody-modified PAR28-PEG-lipo delivered DXR into the targeting cells.
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Affiliation(s)
- Susumu Hama
- Research Institute of Pharmaceutical Sciences, Faculty of Pharmacy, Musashino University, Tokyo, 202-8585, Japan
| | - Mika Sakai
- Department of Biophysical Chemistry, Kyoto Pharmaceutical University, Kyoto, 607-8414, Japan
| | - Shoko Itakura
- Department of Biophysical Chemistry, Kyoto Pharmaceutical University, Kyoto, 607-8414, Japan
| | | | - Kentaro Kogure
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, 770-8505, Japan
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Li WQ, Guo HF, Li LY, Zhang YF, Cui JW. The promising role of antibody drug conjugate in cancer therapy: Combining targeting ability with cytotoxicity effectively. Cancer Med 2021; 10:4677-4696. [PMID: 34165267 PMCID: PMC8290258 DOI: 10.1002/cam4.4052] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/07/2021] [Accepted: 05/13/2021] [Indexed: 12/11/2022] Open
Abstract
Introduction Traditional cancer therapy has many disadvantages such as low selectivity and high toxicity of chemotherapy, as well as insufficient efficacy of targeted therapy. To enhance the cytotoxic effect and targeting ability, while reducing the toxicity of antitumor drugs, an antibody drug conjugate (ADC) was developed to deliver small molecular cytotoxic payloads directly to tumor cells by binding to specific antibodies via linkers. Method By reviewing published literature and the current progress of ADCs, we aimed to summarize the basic characteristics, clinical progress, and challenges of ADCs to provide a reference for clinical practice and further research. Results ADC is a conjugate composed of three fundamental components, including monoclonal antibodies, cytotoxic payloads, and stable linkers. The mechanisms of ADC including the classical internalization pathway, antitumor activity of antibodies, bystander effect, and non‐internalizing mechanism. With the development of new drugs and advances in technology, various ADCs have achieved clinical efficacy. To date, nine ADCs have received US Food and Drug Administration (FDA) approval in the field of hematologic tumors and solid tumors, which have become routine clinical treatments. Conclusion ADC has changed traditional treatment patterns for cancer patients, which enable the same treatment for pancreatic cancer patients and promote individualized precision treatment. Further exploration of indications could focus on early‐stage cancer patients and combined therapy settings. Besides, the mechanisms of drug resistance, manufacturing techniques, optimized treatment regimens, and appropriate patient selection remain the major topics.
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Affiliation(s)
- Wen-Qian Li
- Department of Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Han-Fei Guo
- Department of Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Ling-Yu Li
- Department of Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yong-Fei Zhang
- Department of Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Jiu-Wei Cui
- Department of Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
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Clinical pharmacology strategies in supporting drug development and approval of antibody-drug conjugates in oncology. Cancer Chemother Pharmacol 2021; 87:743-765. [PMID: 33792763 PMCID: PMC8110483 DOI: 10.1007/s00280-021-04250-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 02/18/2021] [Indexed: 11/12/2022]
Abstract
Antibody–drug conjugates (ADCs) are important molecular entities in the treatment of cancer. These conjugates combine the target specificity of monoclonal antibodies with the potent anti-cancer activity of small-molecule therapeutics. The complex structure of ADCs poses unique challenges to characterize the drug’s pharmacokinetics (PKs) and pharmacodynamics (PDs) since it requires a quantitative understanding of the PK and PD properties of multiple different molecular species (e.g., ADC conjugate, total antibody and unconjugated cytotoxic drug). As a result, clinical pharmacology strategy of an ADC is rather unique and dependent on the linker/cytotoxic drug technology, heterogeneity of the ADC, PK and safety/efficacy profile of the specific ADC in clinical development. In this review, we summarize the clinical pharmacology strategies in supporting development and approval of ADCs using the approved ADCs as specific examples to illustrate the customized approach to clinical pharmacology assessments in their clinical development.
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Assi R, Masri N, Dalle IA, El-Cheikh J, Ghanem H, Bazarbachi A. Polatuzumab Vedotin: Current Role and Future Applications in the Treatment of Patients with Diffuse Large B-Cell Lymphoma. Clin Hematol Int 2021; 3:21-26. [PMID: 34595463 PMCID: PMC8432323 DOI: 10.2991/chi.k.210305.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 02/26/2021] [Indexed: 11/01/2022] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is a biologically and clinically heterogeneous disease. Despite good responses to standard of care frontline chemoimmunotherapy, the prognosis of relapsed/refractory (R/R) patients remains obscured by the possible inadequate responses to salvage therapy, eligibility for autologous transplantation, age and comorbidities. Polatuzumab vedotin is an antibody-drug conjugate formed by a CD79b antibody conjugated to the highly cytotoxic agent monomethyl auristatin E by means of a cleavable linker. Following significant clinical efficacy in R/R DLBCL, polatuzumab vedotin was granted accelerated Food and Drug Administration (FDA) approval in combination with bendamustine plus rituximab for patients who have failed at least two prior therapies. Other clinical studies involving polatuzumab vedotin in combination with other therapy regimens are also under evaluation for previously untreated DLBCL patients. In this article, we review the different phases from the preclinical development of polatuzumab vedotin to studies leading to its first approval, and highlight the potential future roles of this molecule in the treatment landscape of DLBCL.
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Affiliation(s)
- Rita Assi
- Department of Internal Medicine, Division of Hematology-Oncology, Lebanese American University and Lebanese American University Medical Center-Rizk Hospital, Beirut, Lebanon
| | - Nohad Masri
- Department of Internal Medicine, Division of Hematology-Oncology, Lebanese American University and Lebanese American University Medical Center-Rizk Hospital, Beirut, Lebanon
| | - Iman Abou Dalle
- Department of Internal Medicine, Division of Hematology-Oncology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Jean El-Cheikh
- Department of Internal Medicine, Division of Hematology-Oncology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Hady Ghanem
- Department of Internal Medicine, Division of Hematology-Oncology, Lebanese American University and Lebanese American University Medical Center-Rizk Hospital, Beirut, Lebanon
| | - Ali Bazarbachi
- Department of Internal Medicine, Division of Hematology-Oncology, American University of Beirut Medical Center, Beirut, Lebanon
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Katsura S, Furuishi T, Ueda H, Yonemochi E. Cholesteryl-Conjugated Ribonuclease A Exhibits Enzyme Activity in Aqueous Solution and Resistance to Dimethyl Sulfoxide. ACS OMEGA 2021; 6:533-543. [PMID: 33458505 PMCID: PMC7807799 DOI: 10.1021/acsomega.0c05016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 12/23/2020] [Indexed: 06/12/2023]
Abstract
Using bovine pancreatic ribonuclease A (RNase A) and cholesterol, we synthesized cholesteryl-conjugated ribonuclease A (CHRNase A) to evaluate the influence of a conjugated hydrophobic moiety on protein function. Nuclear magnetic resonance and matrix-assisted laser desorption/ionization time-of-flight spectrometry suggested that one cholesteryl group was conjugated to RNase A. Differential scanning calorimetry indicated that CHRNase A was denatured in the solid state but was folded in phosphate buffer (0.05 mol/L, pH 6.5). CHRNase A resembled RNase A in its secondary structure, but circular dichroism (CD) spectra revealed that the helical content of CHRNase A was decreased and the tertiary structure of CHRNase A differed from that of RNase A. Furthermore, fluorescence measurements, CD spectra, an 8-anilino-1-naphthalenesulfonic acid ammonium salt-based assay, and surface tension measurements suggested that cholesterol was conjugated to a tyrosine residue on the protein surface. The relative activity of CHRNase A to RNase A was 79 ± 7%, and the enzyme activity of CHRNase A by adding β-cyclodextrin (β-CyD) increased to 129 ± 7%. Therefore, we considered that the cholesteryl group interacted with substrate (cytidine 2'3'-cyclic monophosphate monosodium salt) to inhibit the enzyme reaction. Finally, the environment around tyrosine residues in CHRNase A in dimethyl sulfoxide was similar to that of native RNase A in phosphate buffer (0.05 mol/L, pH 6.5). These results suggest that cholesterol conjugation to RNase A altered RNase A functionality, including improvement of RNase A resistance to dimethyl sulfoxide and modulation of the ability of β-CyD to control RNase A enzymatic activity.
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Affiliation(s)
- Shinji Katsura
- School
of Pharmacy and Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
- Formulation
Research Laboratory, Taiho Pharmaceutical
Co., Ltd., 224-2, Ebisuno, Hiraishi, Kawauchi-cho, Tokushima 771-0194, Japan
| | - Takayuki Furuishi
- School
of Pharmacy and Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Haruhisa Ueda
- School
of Pharmacy and Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Etsuo Yonemochi
- School
of Pharmacy and Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
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28
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Natarajan A, Srinivas SM, Azevedo C, Greene L, Bauchet AL, Jouannot E, Lacoste-Bourgeacq AS, Guizon I, Cohen P, Naneix AL, Ilovich O, Cisneros J, Rupanarayan K, Chin FT, Iagaru A, Dirbas FM, Karam A, Gambhir SS. Two Patient Studies of a Companion Diagnostic Immuno-Positron Emission Tomography (PET) Tracer for Measuring Human CA6 Expression in Cancer for Antibody Drug Conjugate (ADC) Therapy. Mol Imaging 2020; 19:1536012120939398. [PMID: 33104454 PMCID: PMC8865942 DOI: 10.1177/1536012120939398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
An antigen binding fragment (BFab) derived from a tumor-associated mucin 1–sialoglycotope antigen (CA6) targeting antibody (huDS6) was engineered. We synthesized a companion diagnostic positron emission tomography (PET) tracer by radiolabeling BFab with [64Cu] to measure CA6 expression on cancer tissues prior to anti-human CA6 (huDS6-DM4 antibody-drug conjugate) therapy for ovarian and breast cancer patients. After chemotherapy, the ovarian patient received PET scan with 18F-2-fluoro-2-deoxyglucose ([18F]FDG: 10 mCi), followed by [64Cu]-DOTA-BFab ([64Cu]BFab; 5.5 mCi) 1 week later for PET scanning of CA6 expression and subsequent surgery. The breast cancer patient was treated with chemotherapy before primary tumor resection and subsequent [18F]FDG-PET scan. 4 weeks later the patient received of [64Cu]BFab (11.7 mCi) for CA6 PET scan. Whole body [18F]FDG-PET of the breast cancer patient indicated FDG-avid tumor metastases to the liver, bilateral hila and thoracic spine, but no uptake was observed for the ovarian patient. Each patient was also imaged by PET/CT with [64Cu]BFab at 1 and 24 hours after tracer administration. The [64Cu]BFab tracer was well tolerated by both patients without adverse effects, and no significant tracer uptake was observed in both patients. Immunohistochemistry (IHC) data indicated CA6 expressions were weak to intermediate and matched with the [64Cu]BFab-PET signals.
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Affiliation(s)
- Arutselvan Natarajan
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Shyam M Srinivas
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Carmen Azevedo
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Lacey Greene
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | | | - Erwan Jouannot
- Sanofi Aventis Research and Development, Vitry-sur-Seine, France
| | | | - Isabelle Guizon
- Sanofi Aventis Research and Development, Vitry-sur-Seine, France
| | - Patrick Cohen
- Sanofi Aventis Research and Development, Vitry-sur-Seine, France
| | | | - Ohad Ilovich
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Jordan Cisneros
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Krithika Rupanarayan
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Frederick T Chin
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Andrei Iagaru
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Frederick M Dirbas
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Amer Karam
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
| | - Sanjiv S Gambhir
- Department of Radiology, Bio-X program, Molecular Imaging Program at Stanford (MIPS), Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, CA, USA
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Weddell J, Chiney MS, Bhatnagar S, Gibbs JP, Shebley M. Mechanistic Modeling of Intra-Tumor Spatial Distribution of Antibody-Drug Conjugates: Insights into Dosing Strategies in Oncology. Clin Transl Sci 2020; 14:395-404. [PMID: 33073529 PMCID: PMC7877868 DOI: 10.1111/cts.12892] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022] Open
Abstract
Antibody drug conjugates (ADCs) provide targeted delivery of cytotoxic agents directly inside tumor cells. However, many ADCs targeting solid tumors have exhibited limited clinical efficacy, in part, due to insufficient penetration within tumors. To better understand the relationship between ADC tumor penetration and efficacy, previously applied Krogh cylinder models that explore tumor growth dynamics following ADC administration in preclinical species were expanded to a clinical framework by integrating clinical pharmacokinetics, tumor penetration, and tumor growth inhibition. The objective of this framework is to link ADC tumor penetration and distribution to clinical efficacy. The model was validated by comparing virtual patient population simulations to observed overall response rates from trastuzumab‐DM1 treated patients with metastatic breast cancer. To capture clinical outcomes, we expanded upon previous Krogh cylinder models to include the additional mechanism of heterogeneous tumor growth inhibition spatially across the tumor. This expansion mechanistically captures clinical response rates by describing heterogeneous ADC binding and tumor cell killing; high binding and tumor cell death close to capillaries vs. low binding, and high tumor cell proliferation far from capillaries. Sensitivity analyses suggest that clinical efficacy could be optimized through dose fractionation, and that clinical efficacy is primarily dependent on the ADC‐target affinity, payload potency, and tumor growth rate. This work offers a mechanistic basis to predict and optimize ADC clinical efficacy for solid tumors, allowing dosing strategy optimization to improve patient outcomes.
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Affiliation(s)
- Jared Weddell
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - Manoj S Chiney
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - Sumit Bhatnagar
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - John P Gibbs
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - Mohamad Shebley
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
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30
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Yu Z, Li X, Duan J, Yang XD. Targeted Treatment of Colon Cancer with Aptamer-Guided Albumin Nanoparticles Loaded with Docetaxel. Int J Nanomedicine 2020; 15:6737-6748. [PMID: 32982230 PMCID: PMC7494387 DOI: 10.2147/ijn.s267177] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 08/10/2020] [Indexed: 12/18/2022] Open
Abstract
Purpose Chemotherapy of colon cancer needs improvement to mitigate the severe adverse effects (AEs) associated with the cytotoxic drugs. The aim of this study is to develop a novel targeted drug delivery system (TDDS) with practical application potential for colon cancer treatment. Methods The TDDS was built by loading docetaxel (DTX) in albumin nanoparticles (NPs) that were functionalized with nucleolin-targeted aptamers (AS1411). Results The TDDS (Apt-NPs-DTX) had an average size of 62 nm and was negatively charged with a zeta potential of −31.2 mV. DTX was released from the albumin NP with a typical sustained release profile. Aptamer-guided NPs were preferentially ingested by nucleolin-expressing CT26 colon cancer cells vs the control cells. In vitro cytotoxicity study showed that Apt-NPs-DTX significantly enhanced the killing of CT26 colon cancer cells. Importantly, compared with non-targeted drug delivery, Apt-NPs-DTX treatment significantly improved antitumor efficacy and prolonged the survival of CT26-bearing mice, without raising systemic toxicity. Conclusion The results suggest that Apt-NPs-DTX has potential in the targeted treatment of colon cancer.
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Affiliation(s)
- Zhen Yu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China
| | - Xundou Li
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China
| | - Jinhong Duan
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China
| | - Xian-Da Yang
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China
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31
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Zou H, Banerjee P, Leung SSY, Yan X. Application of Pharmacokinetic-Pharmacodynamic Modeling in Drug Delivery: Development and Challenges. Front Pharmacol 2020; 11:997. [PMID: 32719604 PMCID: PMC7348046 DOI: 10.3389/fphar.2020.00997] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 06/19/2020] [Indexed: 12/19/2022] Open
Abstract
With the advancement of technology, drug delivery systems and molecules with more complex architecture are developed. As a result, the drug absorption and disposition processes after administration of these drug delivery systems and engineered molecules become exceedingly complex. As the pharmacokinetic and pharmacodynamic (PK-PD) modeling allows for the separation of the drug-, carrier- and pharmacological system-specific parameters, it has been widely used to improve understanding of the in vivo behavior of these complex delivery systems and help their development. In this review, we summarized the basic PK-PD modeling theory in drug delivery and demonstrated how it had been applied to help the development of new delivery systems and modified large molecules. The linkage between PK and PD was highlighted. In particular, we exemplified the application of PK-PD modeling in the development of extended-release formulations, liposomal drugs, modified proteins, and antibody-drug conjugates. Furthermore, the model-based simulation using primary PD models for direct and indirect PD responses was conducted to explain the assertion of hypothetical minimal effective concentration or threshold in the exposure-response relationship of many drugs and its misconception. The limitations and challenges of the mechanism-based PK-PD model were also discussed.
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Affiliation(s)
- Huixi Zou
- School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Parikshit Banerjee
- School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Sharon Shui Yee Leung
- School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Xiaoyu Yan
- School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong
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Safety and efficacy of CDX-014, an antibody-drug conjugate directed against T cell immunoglobulin mucin-1 in advanced renal cell carcinoma. Invest New Drugs 2020; 38:1807-1814. [PMID: 32472319 DOI: 10.1007/s10637-020-00945-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 05/06/2020] [Indexed: 01/08/2023]
Abstract
CDX-014 is an antibody-drug conjugate directed against TIM-1, a surface marker highly expressed in renal cell carcinoma (RCC) and ovarian carcinoma. This phase I, first-in-human trial was conducted to evaluate the safety and preliminary activity of CDX-014 in patients with advanced refractory RCC, following a dose-escalation and dose expansion design. CDX-014 was administered intravenously at doses ranging from 0.15 to 2.0 mg/kg every 2 or 3 weeks until progression or unacceptable toxicity. Sixteen patients received at least one dose of CDX-014. The maximum tolerated dose was not identified. Most frequent adverse grade 1 or 2 adverse events included nausea (38%), fatigue, alopecia, elevation of AST and decreased appetite (25% each). Adverse events of grade 3 or more included hyperglycemia (19%), urosepsis (6%), and one multi-organ failure (6%) responsible for one treatment-related death. Two patients discontinued therapy for adverse events including fatigue grade 2 and urosepsis grade 4. CDX-014 showed antitumor activity with one prolonged partial response and a clinical benefit rate (objective response or stable disease >6 months) of 31%. The two patients that exhibited the most marked tumor shrinkage had high TIM-1 expression on tumor tissue. Overall, CDX-014 exhibited a manageable toxicity profile and early signs of activity, supporting further evaluation of antibody-drug conjugates in patients with advanced RCC and potentially other TIM-1 expressing cancers. Trial registration https://clinicaltrials.gov/ct2/show/NCT02837991 NCT02837991; July 20, 2016.
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Current Challenges in Providing Good Leukapheresis Products for Manufacturing of CAR-T Cells for Patients with Relapsed/Refractory NHL or ALL. Cells 2020; 9:cells9051225. [PMID: 32429189 PMCID: PMC7290830 DOI: 10.3390/cells9051225] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/09/2020] [Accepted: 05/13/2020] [Indexed: 12/15/2022] Open
Abstract
Background: T lymphocyte collection through leukapheresis is an essential step for chimeric antigen receptor T (CAR-T) cell therapy. Timing of apheresis is challenging in heavily pretreated patients who suffer from rapid progressive disease and receive T cell impairing medication. Methods: A total of 75 unstimulated leukaphereses were analyzed including 45 aphereses in patients and 30 in healthy donors. Thereof, 41 adult patients with Non-Hodgkin’s lymphoma (85%) or acute lymphoblastic leukemia (15%) underwent leukapheresis for CAR-T cell production. Results: Sufficient lymphocytes were harvested from all patients even from those with low peripheral lymphocyte counts of 0.18/nL. Only four patients required a second leukapheresis session. Leukapheresis products contained a median of 98 × 108 (9 - 341 × 108) total nucleated cells (TNC) with 38 × 108 (4 - 232 × 108) CD3+ T cells. Leukapheresis products from healthy donors as well as from patients in complete remission were characterized by high TNC and CD3+ T lymphocyte counts. CAR-T cell products could be manufactured for all but one patient. Conclusions: Sufficient yield of lymphocytes for CAR-T cell production is feasible also for patients with low peripheral blood counts. Up to 12–15 L blood volume should be processed in patients with absolute lymphocyte counts ≤ 1.0/nL.
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Nagy G, Attah IK, Conant CR, Liu W, Garimella SVB, Gunawardena HP, Shaw JB, Smith RD, Ibrahim YM. Rapid and Simultaneous Characterization of Drug Conjugation in Heavy and Light Chains of a Monoclonal Antibody Revealed by High-Resolution Ion Mobility Separations in SLIM. Anal Chem 2020; 92:5004-5012. [PMID: 32142606 PMCID: PMC8754684 DOI: 10.1021/acs.analchem.9b05209] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Antibody-drug conjugates (ADCs) have recently gained traction in the biomedical community due to their promise for human therapeutics and an alternative to chemotherapy for cancer. Crucial metrics for ADC efficacy, safety, and selectivity are their drug-antibody ratios (DARs). However, DAR characterization (i.e., determining the average number of conjugated drugs on the antibody) through analytical methods remains challenging due to the heterogeneity of drug conjugation as well as the numerous post-translational modifications possible in the monoclonal antibody. Herein, we report on the use of high-resolution ion mobility spectrometry separations in structures for lossless ion manipulations coupled to mass spectrometry (SLIM IMS-MS) for the rapid and simultaneous characterization of the drug load profile (i.e., stoichiometric distribution of the number of conjugated drugs present on the mAb), determination of the weighted average DAR in both the heavy and light chains of a model antibody-drug conjugate, and calculation of the overall DAR of the ADC. After chemical reduction of the ADC and a subsequent 31.5 m SLIM IMS separation, the various drug-bound antibody species could be well resolved for both chains. We also show significantly higher resolution separations were possible for these large ions with SLIM IMS as compared to ones performed on a commercially available (1 m) drift tube IMS-MS platform. We expect high-resolution SLIM IMS separations will augment the existing toolbox for ADC characterization, particularly to enable the rapid optimization of DAR for a given ADC and thus better understand its potential toxicity and potency.
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Affiliation(s)
- Gabe Nagy
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Isaac K Attah
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Christopher R Conant
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Weijing Liu
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Sandilya V B Garimella
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Harsha P Gunawardena
- Janssen Research & Development, The Janssen Pharmaceutical Companies of Johnson & Johnson, Spring House, Pennsylvania 19477, United States
| | - Jared B Shaw
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Richard D Smith
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Yehia M Ibrahim
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
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35
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First-in-Human Phase I Study of Aprutumab Ixadotin, a Fibroblast Growth Factor Receptor 2 Antibody-Drug Conjugate (BAY 1187982) in Patients with Advanced Cancer. Target Oncol 2020; 14:591-601. [PMID: 31502117 PMCID: PMC6797631 DOI: 10.1007/s11523-019-00670-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background Fibroblast growth factor receptor (FGFR) 2 is overexpressed in several tumor types, including triple-negative breast cancer and gastric cancer, both of which have a high unmet medical need. Aprutumab ixadotin (BAY 1187982) is the first antibody–drug conjugate (ADC) to target FGFR2 and the first to use a novel auristatin-based payload. Objective This first-in-human trial was conducted to determine the safety, tolerability, and maximum tolerated dose (MTD) of aprutumab ixadotin in patients with advanced solid tumors from cancer indications known to be FGFR2-positive. Patients and Methods In this open-label, multicenter, phase I dose-escalation trial (NCT02368951), patients with advanced solid tumors received escalating doses of aprutumab ixadotin (starting at 0.1 mg/kg body weight), administered intravenously on day 1 of every 21-day cycle. Primary endpoints included safety, tolerability, and the MTD of aprutumab ixadotin; secondary endpoints were pharmacokinetic evaluation and tumor response to aprutumab ixadotin. Results Twenty patients received aprutumab ixadotin across five cohorts, at doses of 0.1–1.3 mg/kg. The most common grade ≥ 3 drug-related adverse events were anemia, aspartate aminotransferase increase, proteinuria, and thrombocytopenia. Dose-limiting toxicities were thrombocytopenia, proteinuria, and corneal epithelial microcysts, and were only seen in the two highest dosing cohorts. The MTD was determined to be 0.2 mg/kg due to lack of quantitative data following discontinuations at 0.4 and 0.8 mg/kg doses. One patient had stable disease; no responses were reported. Conclusions Aprutumab ixadotin was poorly tolerated, with an MTD found to be below the therapeutic threshold estimated preclinically; therefore, the trial was terminated early. ClinicalTrials.gov Identifier NCT02368951. Electronic supplementary material The online version of this article (10.1007/s11523-019-00670-4) contains supplementary material, which is available to authorized users.
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Milazzo FM, Vesci L, Anastasi AM, Chiapparino C, Rosi A, Giannini G, Taddei M, Cini E, Faltoni V, Petricci E, Battistuzzi G, Salvini L, Carollo V, De Santis R. ErbB2 Targeted Epigenetic Modulation: Anti-tumor Efficacy of the ADC Trastuzumab-HDACi ST8176AA1. Front Oncol 2020; 9:1534. [PMID: 32039017 PMCID: PMC6989603 DOI: 10.3389/fonc.2019.01534] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 12/19/2019] [Indexed: 12/16/2022] Open
Abstract
Targeted therapy using monoclonal antibodies conjugated to toxins is gaining space in the treatment of cancer. Here, we report the anti-tumor effect of a new antibody drug conjugate (ADC) delivering a HDAC inhibitor to ErbB2+ solid tumors. Trastuzumab was partially reduced with tris [2-carboxyethyl] phosphine (TCEP) and conjugated to ST7464AA1, the active form of the prodrug HDAC inhibitor ST7612AA1, through a maleimide-thiol linker to obtain the Antibody Drug Conjugate (ADC) ST8176AA1. The average drug/antibody ratio (DAR) was 4.5 as measured by hydrophobic interaction chromatography (HIC). Binding of ST8176AA1 to ErbB2 receptor and internalization in tumor cells were investigated by enzyme-linked immunosorbent assay (ELISA), surface plasmon resonance (SPR), cytofluorimetry, and High Content Screening (HCS) Imaging. The biological activity of the ADC was evaluated in vitro and in vivo by measuring cell proliferation/cell cycle, apoptosis/DNA damage, tubulin, and histone acetylation and modulation of Epithelial/Mesenchymal Transition (EMT) markers. Receptor binding and internalization of ST8176AA1 were confirmed to be similar to trastuzumab. Higher anti-tumor activity of ST8176AA1 compared to trastuzumab was observed in vitro in tumor cell lines. Such higher activity correlated with increased acetylation of histones and alfa-tubulin as a consequence of HDAC inhibitor-mediated epigenetic modulation that also induced increased expression of ErbB2 and estrogen receptor in triple negative breast cancer cells. Consistently with in vitro data, ST8176AA1 exhibited higher tumor growth inhibition than trastuzumab in xenograft models of ovary and colon carcinoma and in two patient-derived xenograft (PDX) models of pancreatic carcinoma. Immunohistochemistry analysis of tumor masses showed lower expression of the proliferation marker Ki67 and higher expression of cleaved caspase-3 in mice treated with the ADC compared to those treated with trastuzumab and results correlated with increased acetylation of both histones and tubulin. Collectively, present data indicate that ADC ST8176AA1 can target epigenetic modulation to ErbB2+ tumors. Interestingly, the amount of HDACi estimated to be delivered at the ST8176AA1 effective dose would correspond to ~1/1,000 of ST7612AA1 effective dose. Therefore, ST8176AA1 is an attractive new therapeutic candidate because it exhibits increased anti-tumor potency compared to trastuzumab by exerting epigenetic modulation at a much safer dose compared to standard HDACi-based therapeutic protocols.
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Affiliation(s)
| | | | | | | | | | | | - Maurizio Taddei
- Dipartimento di Biotecnologia, Chimica e Farmacia, Università degli Studi di Siena, Siena, Italy
| | - Elena Cini
- Dipartimento di Biotecnologia, Chimica e Farmacia, Università degli Studi di Siena, Siena, Italy
| | | | - Elena Petricci
- Dipartimento di Biotecnologia, Chimica e Farmacia, Università degli Studi di Siena, Siena, Italy
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Preclinical safety profile of disitamab vedotin:a novel anti-HER2 antibody conjugated with MMAE. Toxicol Lett 2019; 324:30-37. [PMID: 31877330 DOI: 10.1016/j.toxlet.2019.12.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 12/13/2019] [Accepted: 12/20/2019] [Indexed: 11/21/2022]
Abstract
The HER2 pathway plays a pivotal role in cell proliferation and differentiation, while the receptor overexpression caused by amplification of HER2 gene is associated with the growth of several tumors. Previously published clinical trials have demonstrated that antibody-conjugated drugs (ADCs) remarkably improved clinical effects compared with antibodies alone for the same target. In order to provide more effective drugs, we developed Disitamab vedotin based on ADC. The antibody part was a humanized monoclonal antibody targeting HER2, the small molecule toxin was monomethyl auristatin E (MMAE), a synthetic antineoplastic agent. A protease cleavable linker covalently attached MMAE to the antibody. In this study, we characterized the toxicity profile of Disitamab vedotin through single- and repeat-dose toxicity studies in monkeys. The toxicities of small molecules and naked antibody (Disitamab) were also assessed in these studies. Monkeys were well tolerated with Disitamab vedotin at doses of 6 mg/kg, while equivalent MMAEs resulted in severe myelosuppression. This finding proves that ADCs improve the therapeutic effect. In addition, the safety profiles of Disitamab vedotin and MMAE were similar and consistent with the activation mechanism of MMAE. Toxicology finding included bone marrow/hematology toxicity and lymphoid organ toxicity, while no significant toxicity was observed in animals treated with naked antibody. These side effects were found to be consistent with data acquired from clinical phase I/II patients treated with Disitamab vedotin.
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Detappe A, Reidy M, Yu Y, Mathieu C, Nguyen HVT, Coroller TP, Lam F, Jarolim P, Harvey P, Protti A, Nguyen QD, Johnson JA, Cremillieux Y, Tillement O, Ghobrial IM, Ghoroghchian PP. Antibody-targeting of ultra-small nanoparticles enhances imaging sensitivity and enables longitudinal tracking of multiple myeloma. NANOSCALE 2019; 11:20485-20496. [PMID: 31650133 DOI: 10.1039/c9nr06512a] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Monitoring malignant progression and disease recurrence post-therapy are central challenges to improving the outcomes of patients with multiple myeloma (MM). Whereas current detection methods that rely upon bone marrow examination allow for precise monitoring of minimal residual disease and can help to elucidate clonal evolution, they do not take into account the spatial heterogeneity of the tumor microenvironment. As such, they are uninformative as to the localization of malignant plasma cells and may lead to false negative results. With respect to the latter challenge, clinically-available imaging agents are neither sufficiently sensitive nor specific enough to detect minute plasma cell populations. Here, we sought to explore methods by which to improve detection of MM cells within their natural bone marrow environment, using whole-animal magnetic resonance imaging to longitudinally monitor early-stage disease as well as to enhance tumor detection after systemic therapy. We conducted a proof-of-concept study to demonstrate that ultra-small (<5 nm) gadolinium-containing nanoparticles bound to full-length antibodies against the B-cell maturation antigen (BCMA) exhibit rapid tumor uptake followed by renal clearance, improving the signal-to-noise ratio for MM detection beyond levels that are currently afforded by other FDA-approved clinical imaging modalities. We anticipate that when combined with bone marrow or blood biopsy, such imaging constructs could help to augment the effective management of patients with MM.
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Affiliation(s)
- Alexandre Detappe
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. and Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA and David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. and Centre Paul Strauss, 3 rue de la porte de l'hôpital, 67000 Strasbourg, France
| | - Mairead Reidy
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. and Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | - Yingjie Yu
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
| | - Clelia Mathieu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. and Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | - Hung V-T Nguyen
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Thibaud P Coroller
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA and Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Fred Lam
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. and Clinical Scholar Program, Division of Neurosurgery, McMaster University, 237 Barton St East, Hamilton General Hospital, Hamilton ON, L8L 2X2, Canada
| | - Petr Jarolim
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA and Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA
| | - Peter Harvey
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Andrea Protti
- Lurie Family Imaging Center, Department of Radiology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Quang-De Nguyen
- Lurie Family Imaging Center, Department of Radiology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Jeremiah A Johnson
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Yannick Cremillieux
- Institut des Sciences Moléculaires, Université de Bordeaux, UMR CNRS 5255, 33076 Bordeaux, France
| | - Olivier Tillement
- Institut Lumière Matière, UMR 5306 Université Lyon1-CNRS, Université de Lyon, 69622 Villeurbanne Cedex, France
| | - Irene M Ghobrial
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. and Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | - P Peter Ghoroghchian
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. and Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA and David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
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[Basics of the pharmacology of biopharmaceuticals]. Hautarzt 2019; 70:926-933. [PMID: 31712972 DOI: 10.1007/s00105-019-04502-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Biopharmaceuticals are pharmaceutical drug products or preparations of pharmaceutical drugs that are of biological origin or are manufactured from biological material. The spectrum of biological drugs is extensive and includes substances isolated from biological material, recombinant RNA molecules, proteins as well as full antibodies, antibody fragments or antibody-drug conjugates. The special features of the molecular properties and functions of biopharmaceuticals require a highly complex, variable structure. Due to the specificity of intended pharmacodynamic effects on a complex biological regulatory system, particularities regarding undesired effects, pharmacokinetics, and safety have to be considered both regulatory and clinical.
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Hashimoto Y, Koyama K, Kamai Y, Hirotani K, Ogitani Y, Zembutsu A, Abe M, Kaneda Y, Maeda N, Shiose Y, Iguchi T, Ishizaka T, Karibe T, Hayakawa I, Morita K, Nakada T, Nomura T, Wakita K, Kagari T, Abe Y, Murakami M, Ueno S, Agatsuma T. A Novel HER3-Targeting Antibody-Drug Conjugate, U3-1402, Exhibits Potent Therapeutic Efficacy through the Delivery of Cytotoxic Payload by Efficient Internalization. Clin Cancer Res 2019; 25:7151-7161. [PMID: 31471314 DOI: 10.1158/1078-0432.ccr-19-1745] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/30/2019] [Accepted: 08/27/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE HER3 is a compelling target for cancer treatment; however, no HER3-targeted therapy is currently clinically available. Here, we produced U3-1402, an anti-HER3 antibody-drug conjugate with a topoisomerase I inhibitor exatecan derivative (DXd), and systematically investigated its targeted drug delivery potential and antitumor activity in preclinical models. EXPERIMENTAL DESIGN In vitro pharmacologic activities and the mechanisms of action of U3-1402 were assessed in several human cancer cell lines. Antitumor activity of U3-1402 was evaluated in xenograft mouse models, including patient-derived xenograft (PDX) models. Safety assessments were also conducted in rats and monkeys. RESULTS U3-1402 showed HER3-specific binding followed by highly efficient cancer cell internalization. Subsequently, U3-1402 was translocated to the lysosome and released its payload DXd. While U3-1402 was able to inhibit HER3-activated signaling similar to its naked antibody patritumab, the cytotoxic activity of U3-1402 in HER3-expressing cells was predominantly mediated by released DXd through DNA damage and apoptosis induction. In xenograft mouse models, U3-1402 exhibited dose-dependent and HER3-dependent antitumor activity. Furthermore, U3-1402 exerted potent antitumor activity against PDX tumors with HER3 expression. Acceptable toxicity was noted in both rats and monkeys. CONCLUSIONS U3-1402 demonstrated promising antitumor activity against HER3-expressing tumors with tolerable safety profiles. The activity of U3-1402 was driven by HER3-mediated payload delivery via high internalization into tumor cells.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Taisei Nomura
- National Institute of Biomedical Innovation, Health and Nutrition, Osaka, Japan
| | | | | | - Yuki Abe
- Daiichi Sankyo Co., Ltd., Tokyo, Japan
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Williams BA, Law A, Hunyadkurti J, Desilets S, Leyton JV, Keating A. Antibody Therapies for Acute Myeloid Leukemia: Unconjugated, Toxin-Conjugated, Radio-Conjugated and Multivalent Formats. J Clin Med 2019; 8:E1261. [PMID: 31434267 PMCID: PMC6723634 DOI: 10.3390/jcm8081261] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/13/2019] [Accepted: 08/16/2019] [Indexed: 12/21/2022] Open
Abstract
In recent decades, therapy for acute myeloid leukemia (AML) has remained relatively unchanged, with chemotherapy regimens primarily consisting of an induction regimen based on a daunorubicin and cytarabine backbone, followed by consolidation chemotherapy. Patients who are relapsed or refractory can be treated with allogeneic hematopoietic stem-cell transplantation with modest benefits to event-free and overall survival. Other modalities of immunotherapy include antibody therapies, which hold considerable promise and can be categorized into unconjugated classical antibodies, multivalent recombinant antibodies (bi-, tri- and quad-specific), toxin-conjugated antibodies and radio-conjugated antibodies. While unconjugated antibodies can facilitate Natural Killer (NK) cell antibody-dependent cell-mediated cytotoxicity (ADCC), bi- and tri-specific antibodies can engage either NK cells or T-cells to redirect cytotoxicity against AML targets in a highly efficient manner, similarly to classic ADCC. Finally, toxin-conjugated and radio-conjugated antibodies can increase the potency of antibody therapies. Several AML tumour-associated antigens are at the forefront of targeted therapy development, which include CD33, CD123, CD13, CLL-1 and CD38 and which may be present on both AML blasts and leukemic stem cells. This review focused on antibody therapies for AML, including pre-clinical studies of these agents and those that are either entering or have been tested in early phase clinical trials. Antibodies for checkpoint inhibition and microenvironment targeting in AML were excluded from this review.
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Affiliation(s)
- Brent A Williams
- Cell Therapy Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2C1, Canada.
| | - Arjun Law
- Hans Messner Allogeneic Blood and Marrow Transplant Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2C1, Canada
| | - Judit Hunyadkurti
- Département de medécine nucléaire et radiobiology, Faculté de medécine et des sciences de la santé, Centre hospitalier universitaire de Sherbrooke (CHUS), Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | | | - Jeffrey V Leyton
- Département de medécine nucléaire et radiobiology, Faculté de medécine et des sciences de la santé, Centre hospitalier universitaire de Sherbrooke (CHUS), Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
- Sherbrooke Molecular Imaging Centre, Centre de recherche du CHUS, Sherbrooke, QC J1H 5N4, Canada
- Institute de pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | - Armand Keating
- Cell Therapy Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2C1, Canada
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Incorporation of a Hydrophilic Spacer Reduces Hepatic Uptake of HER2-Targeting Affibody-DM1 Drug Conjugates. Cancers (Basel) 2019; 11:cancers11081168. [PMID: 31416167 PMCID: PMC6721809 DOI: 10.3390/cancers11081168] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/06/2019] [Accepted: 08/12/2019] [Indexed: 12/21/2022] Open
Abstract
Affibody molecules are small affinity-engineered scaffold proteins which can be engineered to bind to desired targets. The therapeutic potential of using an affibody molecule targeting HER2, fused to an albumin-binding domain (ABD) and conjugated with the cytotoxic maytansine derivate MC-DM1 (AffiDC), has been validated. Biodistribution studies in mice revealed an elevated hepatic uptake of the AffiDC, but histopathological examination of livers showed no major signs of toxicity. However, previous clinical experience with antibody drug conjugates have revealed a moderate- to high-grade hepatotoxicity in treated patients, which merits efforts to also minimize hepatic uptake of the AffiDCs. In this study, the aim was to reduce the hepatic uptake of AffiDCs and optimize their in vivo targeting properties. We have investigated if incorporation of hydrophilic glutamate-based spacers adjacent to MC-DM1 in the AffiDC, (ZHER2:2891)2-ABD-MC-DM1, would counteract the hydrophobic nature of MC-DM1 and, hence, reduce hepatic uptake. Two new AffiDCs including either a triglutamate-spacer-, (ZHER2:2891)2-ABD-E3-MC-DM1, or a hexaglutamate-spacer-, (ZHER2:2891)2-ABD-E6-MC-DM1 next to the site of MC-DM1 conjugation were designed. We radiolabeled the hydrophilized AffiDCs and compared them, both in vitro and in vivo, with the previously investigated (ZHER2:2891)2-ABD-MC-DM1 drug conjugate containing no glutamate spacer. All three AffiDCs demonstrated specific binding to HER2 and comparable in vitro cytotoxicity. A comparative biodistribution study of the three radiolabeled AffiDCs showed that the addition of glutamates reduced drug accumulation in the liver while preserving the tumor uptake. These results confirmed the relation between DM1 hydrophobicity and liver accumulation. We believe that the drug development approach described here may also be useful for other affinity protein-based drug conjugates to further improve their in vivo properties and facilitate their clinical translatability.
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Abstract
Antibody-drug conjugates are monoclonal antibodies attached to biologically active drugs through chemical linkers that deliver and release cytotoxic agents at the tumor site, reducing the likelihood of systemic exposure and therefore toxicity. Currently, there are about 110 ongoing studies implementing antibody-drug conjugates in the treatment of multiple human malignancies. Antibody-drug conjugates carry a feature of the specificity of a monoclonal antibody and the anti-neoplastic potential of a cytotoxin. The first antibody-drug conjugate was approved in 2001, and the field of antibody-drug conjugates has expanded since then with three more antibody-drug conjugates being added to the market. The complex structure of the antibody-drug conjugate poses a challenge in designing a clinically adequate molecule. Antibody-drug conjugates are usually well tolerated with some predictable adverse reactions, as well as new medical issues, that need careful approach. This review provides an outline of the current status of the efficacy and safety of antibody-drug conjugates in malignant diseases.
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Affiliation(s)
- Anna Wolska-Washer
- Department of Hematology, Medical University of Lodz and Copernicus Memorial Hospital, Ul. Ciolkowskiego 2, 93-510, Lodz, Poland
| | - Tadeusz Robak
- Department of Hematology, Medical University of Lodz and Copernicus Memorial Hospital, Ul. Ciolkowskiego 2, 93-510, Lodz, Poland.
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Merlino G, Fiascarelli A, Bigioni M, Bressan A, Carrisi C, Bellarosa D, Salerno M, Bugianesi R, Manno R, Bernadó Morales C, Arribas J, Dusek RL, Ackroyd JE, Pham PH, Awdew R, Aud D, Trang M, Lynch CM, Terrett J, Wilson KE, Rohlff C, Manzini S, Pellacani A, Binaschi M. MEN1309/OBT076, a First-In-Class Antibody-Drug Conjugate Targeting CD205 in Solid Tumors. Mol Cancer Ther 2019; 18:1533-1543. [PMID: 31227646 DOI: 10.1158/1535-7163.mct-18-0624] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 01/16/2019] [Accepted: 06/17/2019] [Indexed: 11/16/2022]
Abstract
CD205 is a type I transmembrane glycoprotein and is a member of the C-type lectin receptor family. Analysis by mass spectrometry revealed that CD205 was robustly expressed and highly prevalent in a variety of solid malignancies from different histotypes. IHC confirmed the increased expression of CD205 in pancreatic, bladder, and triple-negative breast cancer (TNBC) compared with that in the corresponding normal tissues. Using immunofluorescence microscopy, rapid internalization of the CD205 antigen was observed. These results supported the development of MEN1309/OBT076, a fully humanized CD205-targeting mAb conjugated to DM4, a potent maytansinoid derivate, via a cleavable N-succinimidyl-4-(2-pyridyldithio) butanoate linker. MEN1309/OBT076 was characterized in vitro for target binding affinity, mechanism of action, and cytotoxic activity against a panel of cancer cell lines. MEN1309/OBT076 displayed selective and potent cytotoxic effects against tumor cells exhibiting strong and low to moderate CD205 expression. In vivo, MEN1309/OBT076 showed potent antitumor activity resulting in durable responses and complete tumor regressions in many TNBC, pancreatic, and bladder cancer cell line-derived and patient-derived xenograft models, independent of antigen expression levels. Finally, the pharmacokinetics and pharmacodynamic profile of MEN1309/OBT076 was characterized in pancreatic tumor-bearing mice, demonstrating that the serum level of antibody-drug conjugate (ADC) achieved through dosing was consistent with the kinetics of its antitumor activity. Overall, our data demonstrate that MEN1309/OBT076 is a novel and selective ADC with potent activity against CD205-positive tumors. These data supported the clinical development of MEN1309/OBT076, and further evaluation of this ADC is currently ongoing in the first-in-human SHUTTLE clinical trial.
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Affiliation(s)
- Giuseppe Merlino
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy.
| | - Alessio Fiascarelli
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy
| | - Mario Bigioni
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy
| | - Alessandro Bressan
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy
| | - Corrado Carrisi
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy
| | - Daniela Bellarosa
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy
| | - Massimiliano Salerno
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy
| | - Rossana Bugianesi
- Department of Pharmacokinetics and Metabolism, Menarini Ricerche, Pomezia, Rome, Italy
| | | | - Cristina Bernadó Morales
- Preclinical Research Program, Vall D'Hebron, Institute of Oncology and Centro de Investigación Biomédica en Red en Oncologia (CIBERONC), Barcelona, Spain
| | - Joaquin Arribas
- Preclinical Research Program, Vall D'Hebron, Institute of Oncology and Centro de Investigación Biomédica en Red en Oncologia (CIBERONC), Barcelona, Spain.,Department of Biochemistry and Molecular Biology, Universitat Autonoma de Barcelona, Campus de la UAB, Bellaterra, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | | | | | | | - Rahel Awdew
- Oxford BioTherapeutics, Ltd., Abingdon, United Kingdom
| | - Dee Aud
- Oxford BioTherapeutics, Ltd., Abingdon, United Kingdom
| | - Michael Trang
- Oxford BioTherapeutics, Ltd., Abingdon, United Kingdom
| | | | | | | | | | | | | | - Monica Binaschi
- Department of Experimental and Translational Oncology, Menarini Ricerche SpA, Pomezia, Rome, Italy
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Feni L, Parente S, Robert C, Gazzola S, Arosio D, Piarulli U, Neundorf I. Kiss and Run: Promoting Effective and Targeted Cellular Uptake of a Drug Delivery Vehicle Composed of an Integrin-Targeting Diketopiperazine Peptidomimetic and a Cell-Penetrating Peptide. Bioconjug Chem 2019; 30:2011-2022. [PMID: 31243977 DOI: 10.1021/acs.bioconjchem.9b00292] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Cell-penetrating peptides (CPPs) have emerged as powerful tools in terms of drug delivery. Those short, often cationic peptides are characterized by their usually low toxicity and their ability to transport diverse cargos inside almost any kinds of cells. Still, one major drawback is their nonselective uptake making their application in targeted cancer therapies questionable. In this work, we aimed to combine the power of a CPP (sC18) with an integrin-targeting unit (c[DKP-f3-RGD]). The latter is composed of the Arg-Gly-Asp peptide sequence cyclized via a diketopiperazine scaffold and is characterized by its high selectivity toward integrin αvβ3. The two parts were linked via copper-catalyzed alkyne-azide click reaction (CuAAC), while the CPP was additionally functionalized with either a fluorescent dye or the anticancer drug daunorubicin. Both functionalities allowed a careful biological evaluation of these novel peptide-conjugates regarding their cellular uptake mechanism, as well as cytotoxicity in αvβ3 integrin receptor expressing cells versus cells that do not express αvβ3. Our results show that the uptake follows a "kiss-and-run"-like model, in which the conjugates first target and recognize the receptor, but translocate mainly by CPP mediation. Thereby, we observed significantly more pronounced toxic effects in αvβ3 expressing U87 cells compared to HT-29 and MCF-7 cells, when the cells were exposed to the substances with only very short contact times (15 min). All in all, we present new concepts for the design of cancer selective peptide-drug conjugates.
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Affiliation(s)
- Lucia Feni
- University of Cologne , Department of Chemistry, Biochemistry , Zülpicher Strasse 47a , D-50674 Cologne , Germany
| | - Sara Parente
- Dipartimento di Scienza e Alta Tecnologia , Università degli Studi dell'Insubria , Via Valleggio 11 , 22100 , Como , Italy
| | - Clémence Robert
- Dipartimento di Scienza e Alta Tecnologia , Università degli Studi dell'Insubria , Via Valleggio 11 , 22100 , Como , Italy
| | - Silvia Gazzola
- Dipartimento di Scienza e Alta Tecnologia , Università degli Studi dell'Insubria , Via Valleggio 11 , 22100 , Como , Italy
| | - Daniela Arosio
- Istituto di Scienze e Tecnologie Molecolari (ISTM), National Research Council (CNR) , Via G.Golgi 19 , 20133 , Milan , Italy
| | - Umberto Piarulli
- Dipartimento di Scienza e Alta Tecnologia , Università degli Studi dell'Insubria , Via Valleggio 11 , 22100 , Como , Italy
| | - Ines Neundorf
- University of Cologne , Department of Chemistry, Biochemistry , Zülpicher Strasse 47a , D-50674 Cologne , Germany
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46
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Li C, Zhang C, Deng R, Leipold D, Li D, Latifi B, Gao Y, Zhang C, Li Z, Miles D, Chen SC, Samineni D, Wang B, Agarwal P, Lu D, Prabhu S, Girish S, Kamath AV. Prediction of Human Pharmacokinetics of Antibody-Drug Conjugates From Nonclinical Data. Clin Transl Sci 2019; 12:534-544. [PMID: 31115997 PMCID: PMC6742937 DOI: 10.1111/cts.12649] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 04/26/2019] [Indexed: 12/16/2022] Open
Abstract
Prediction of human pharmacokinetics (PK) based on preclinical information for antibody–drug conjugates (ADCs) provide important insight into first‐in‐human (FIH) study design. This retrospective analysis was conducted to identify an appropriate scaling method to predict human PK for ADCs from animal PK data in the linear range. Different methods for projecting human clearance (CL) from animal PK data for 11 ADCs exhibiting linear PK over the tested dose ranges were examined: multiple species allometric scaling (CL vs. body weight), allometric scaling with correction factors, allometric scaling based on rule of exponent, and scaling from only cynomolgus monkey PK data. Two analytes of interest for ADCs, namely total antibody and conjugate (measured as conjugated drug or conjugated antibody), were assessed. Percentage prediction errors (PEs) and residual sum of squares (RSS) were compared across methods. Human CL was best estimated using cynomolgus monkey PK data alone and an allometric scaling exponent of 1.0 for CL. This was consistently observed for both conjugate and total antibody analytes. Other scaling methods either underestimated or overestimated human CL, or produced larger average absolute PEs and RSS. Human concentration‐time profiles were also reasonably predicted from the cynomolgus monkey data using species‐invariant time method with a fixed exponent of 1.0 for CL and 1.0 for volume of distribution. In conclusion, results from this retrospective analysis of 11 ADCs indicate that allometric scaling of CL with an exponent of 1.0 using cynomolgus monkey PK data alone can successfully project human PK profiles of an ADC within linear range.
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Affiliation(s)
- Chunze Li
- Genentech Inc., South San Francisco, California, USA
| | - Cindy Zhang
- Genentech Inc., South San Francisco, California, USA
| | - Rong Deng
- Genentech Inc., South San Francisco, California, USA
| | | | - Dongwei Li
- Genentech Inc., South San Francisco, California, USA
| | | | - Yuying Gao
- Certara USA, Inc., Menlo Park, California, USA
| | - Crystal Zhang
- Genentech Inc., South San Francisco, California, USA
| | - Zao Li
- Genentech Inc., South San Francisco, California, USA
| | - Dale Miles
- Genentech Inc., South San Francisco, California, USA
| | | | | | - Bei Wang
- Genentech Inc., South San Francisco, California, USA
| | - Priya Agarwal
- Genentech Inc., South San Francisco, California, USA
| | - Dan Lu
- Genentech Inc., South San Francisco, California, USA
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47
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Li Q, Barrett A, Vijayakrishnan B, Tiberghien A, Beard R, Rickert KW, Allen KL, Christie RJ, Marelli M, Harper J, Howard P, Wu H, Dall'Acqua WF, Tsui P, Gao C, Borrok MJ. Improved Inhibition of Tumor Growth by Diabody-Drug Conjugates via Half-Life Extension. Bioconjug Chem 2019; 30:1232-1243. [PMID: 30912649 DOI: 10.1021/acs.bioconjchem.9b00170] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Despite some clinical success with antibody-drug conjugates (ADCs) in patients with solid tumors and hematological malignancies, improvements in ADC design are still desirable due to the narrow therapeutic window of these compounds. Tumor-targeting antibody fragments have distinct advantages over monoclonal antibodies, including more rapid tumor accumulation and enhanced penetration, but are subject to rapid clearance. Half-life extension technologies such as PEGylation and albumin-binding domains (ABDs) have been widely used to improve the pharmacokinetics of many different types of biologics. PEGylation improves pharmacokinetics by increasing hydrodynamic size to reduce renal clearance, whereas ABDs extend half-life via FcRn-mediated recycling. In this study, we used an anti-oncofetal antigen 5T4 diabody conjugated with a highly potent cytotoxic pyrrolobenzodiazepine (PBD) warhead to assess and compare the effects of PEGylation and albumin binding on the in vivo efficacy of antibody fragment drug conjugates. Conjugation of 2× PEG20K to a diabody improved half-life from 40 min to 33 h, and an ABD-diabody fusion protein exhibited a half-life of 45 h in mice. In a xenograft model of breast cancer MDA-MB-436, the ABD-diabody-PBD showed greater tumor growth suppression and better tolerability than either PEG-diabody-PBD or diabody-PBD. These results suggest that the mechanism of half-life extension is an important consideration for designing cytotoxic antitumor agents.
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Affiliation(s)
| | | | | | | | - Rhiannon Beard
- Spirogen , 42 New Road , E1 2AX , London , United Kingdom
| | | | | | | | | | | | - Philip Howard
- Spirogen , 42 New Road , E1 2AX , London , United Kingdom
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48
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Borbély A, Figueras E, Martins A, Esposito S, Auciello G, Monteagudo E, Di Marco A, Summa V, Cordella P, Perego R, Kemker I, Frese M, Gallinari P, Steinkühler C, Sewald N. Synthesis and Biological Evaluation of RGD⁻Cryptophycin Conjugates for Targeted Drug Delivery. Pharmaceutics 2019; 11:E151. [PMID: 30939768 PMCID: PMC6523311 DOI: 10.3390/pharmaceutics11040151] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/19/2019] [Accepted: 03/25/2019] [Indexed: 01/08/2023] Open
Abstract
Cryptophycins are potent tubulin polymerization inhibitors with picomolar antiproliferative potency in vitro and activity against multidrug-resistant (MDR) cancer cells. Because of neurotoxic side effects and limited efficacy in vivo, cryptophycin-52 failed as a clinical candidate in cancer treatment. However, this class of compounds has emerged as attractive payloads for tumor-targeting applications. In this study, cryptophycin was conjugated to the cyclopeptide c(RGDfK), targeting integrin αvβ₃, across the protease-cleavable Val-Cit linker and two different self-immolative spacers. Plasma metabolic stability studies in vitro showed that our selected payload displays an improved stability compared to the parent compound, while the stability of the conjugates is strongly influenced by the self-immolative moiety. Cathepsin B cleavage assays revealed that modifications in the linker lead to different drug release profiles. Antiproliferative effects of Arg-Gly-Asp (RGD)⁻cryptophycin conjugates were evaluated on M21 and M21-L human melanoma cell lines. The low nanomolar in vitro activity of the novel conjugates was associated with inferior selectivity for cell lines with different integrin αvβ₃ expression levels. To elucidate the drug delivery process, cryptophycin was replaced by an infrared dye and the obtained conjugates were studied by confocal microscopy.
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Affiliation(s)
- Adina Borbély
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Universitätsstraße 25, DE-33615 Bielefeld, Germany.
| | - Eduard Figueras
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Universitätsstraße 25, DE-33615 Bielefeld, Germany.
| | - Ana Martins
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Universitätsstraße 25, DE-33615 Bielefeld, Germany.
- Exiris s.r.l., Via di Castel Romano 100, IT-00128 Rome, Italy.
| | - Simone Esposito
- IRBM S.p.A, Via Pontina km. 30,600, IT-00071 Pomezia (Rome), Italy.
| | - Giulio Auciello
- IRBM S.p.A, Via Pontina km. 30,600, IT-00071 Pomezia (Rome), Italy.
| | - Edith Monteagudo
- IRBM S.p.A, Via Pontina km. 30,600, IT-00071 Pomezia (Rome), Italy.
| | | | - Vincenzo Summa
- IRBM S.p.A, Via Pontina km. 30,600, IT-00071 Pomezia (Rome), Italy.
| | - Paola Cordella
- Italfarmaco S.p.A., Via dei Lavoratori, 54, IT-20092 Cinisello Balsamo (Milano), Italy.
| | - Raffaella Perego
- Italfarmaco S.p.A., Via dei Lavoratori, 54, IT-20092 Cinisello Balsamo (Milano), Italy.
| | - Isabell Kemker
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Universitätsstraße 25, DE-33615 Bielefeld, Germany.
| | - Marcel Frese
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Universitätsstraße 25, DE-33615 Bielefeld, Germany.
| | - Paola Gallinari
- Exiris s.r.l., Via di Castel Romano 100, IT-00128 Rome, Italy.
| | - Christian Steinkühler
- Exiris s.r.l., Via di Castel Romano 100, IT-00128 Rome, Italy.
- Italfarmaco S.p.A., Via dei Lavoratori, 54, IT-20092 Cinisello Balsamo (Milano), Italy.
| | - Norbert Sewald
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, Universitätsstraße 25, DE-33615 Bielefeld, Germany.
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49
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Hale SJM, Perrins RD, Garcı A CE, Pace A, Peral U, Patel KR, Robinson A, Williams P, Ding Y, Saito G, Rodriguez MÁ, Perera I, Barrientos A, Conlon K, Damment S, Porter J, Coulter T. DM1 Loaded Ultrasmall Gold Nanoparticles Display Significant Efficacy and Improved Tolerability in Murine Models of Hepatocellular Carcinoma. Bioconjug Chem 2019; 30:703-713. [PMID: 30582799 DOI: 10.1021/acs.bioconjchem.8b00873] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hepatocellular carcinoma (HCC) is the sixth most common cancer worldwide with poor prognosis and limited options for treatment. Life expectancy after diagnosis is short; the currently available treatments are not well tolerated and have limited clinical benefit. There is a clear unmet clinical need for the development of new treatments. In this study, ultrasmall, 2 nm gold core nanoparticles (MidaCore) conjugated with the potent maytansine analogue DM1 (MTC-100038) were assessed as a systemic nanomedicine for the treatment of hepatocellular carcinoma. The platform improved overall tolerability of DM1, permitting ∼3-fold higher levels of drug to be administered compared to free drug. Dose for dose, MTC-100038 also facilitated delivery of ∼2.0-fold higher ( p = 0.039) levels of DM1 to the tumor compared to free DM1. MTC-100038 produced significant efficacy (tumor growth index ∼102%; p = <0.0001), in several murine xenograft models of HCC, and was superior to both free DM1 and the current standard of care, sorafenib. Furthermore, MTC-100038 displayed potent (nM) in vitro activity in various HCC primary patient derived cell lines and across various other different cancer cell types. These data demonstrate the potential of MidaCore nanoparticles to enhance tumor delivery of cytotoxic drugs and indicate MTC-100038 is worthy of further investigation as a potential treatment for HCC and other cancer types.
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Affiliation(s)
- Sarah J M Hale
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Richard D Perrins
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | | | - Alessandro Pace
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Usoa Peral
- Midatech Pharma Espana , Parque Tecnológico Ibaizabal Bidea, 800-2a plta , 48160 , Derio , Bizakaia , Spain
| | - Ketan R Patel
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Angela Robinson
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Phil Williams
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Yao Ding
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Gabriele Saito
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Miguel Ángel Rodriguez
- Midatech Pharma Espana , Parque Tecnológico Ibaizabal Bidea, 800-2a plta , 48160 , Derio , Bizakaia , Spain
| | - Ibon Perera
- Midatech Pharma Espana , Parque Tecnológico Ibaizabal Bidea, 800-2a plta , 48160 , Derio , Bizakaia , Spain
| | - Africa Barrientos
- Midatech Pharma Espana , Parque Tecnológico Ibaizabal Bidea, 800-2a plta , 48160 , Derio , Bizakaia , Spain
| | - Kelly Conlon
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Steve Damment
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - John Porter
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
| | - Tom Coulter
- Midatech Pharma Plc , 65 Park Drive, Innovation Drive , Milton , Abingdon OX14 4RQ , United Kingdom
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50
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Wynne J, Wright D, Stock W. Inotuzumab: from preclinical development to success in B-cell acute lymphoblastic leukemia. Blood Adv 2019; 3:96-104. [PMID: 30622147 PMCID: PMC6325303 DOI: 10.1182/bloodadvances.2018026211] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 11/16/2018] [Indexed: 11/20/2022] Open
Abstract
Inotuzumab ozogamicin (InO) is a recently US Food and Drug Administration-approved antibody-drug conjugate for the treatment of relapsed/refractory B-cell acute lymphoblastic leukemia (ALL). InO consists of a CD22-targeting immunoglobulin G4 humanized monoclonal antibody conjugated to calicheamicin. Although initially developed for the treatment of non-Hodgkin lymphoma (NHL) because of activity in preclinical models and high response rates in indolent lymphomas, a phase 3 trial was negative and further development focused on CD22+ ALL. Although results in NHL were disappointing, parallel testing in early-phase trials of CD22+ ALL demonstrated feasibility and efficacy. Subsequently, the randomized phase 3 Study Of Inotuzumab Ozogamicin Versus Investigator's Choice Of Chemotherapy In Patients With Relapsed Or Refractory Acute Lymphoblastic Leukemia trial showed that InO was superior to standard of care regimens with a significantly improved complete remission (CR) rate in patients with relapsed/refractory disease (80.7% vs 29.4%, P < .001). Patients achieving CR with InO also had a significantly higher rate of undetectable minimal residual disease compared with chemotherapy (78.4% vs 28.1%, P < .001). InO-specific side effects, including veno-occlusive disease, have been an ongoing area of concern, and consensus guidelines for minimizing toxicities are now available. Ongoing trials are investigating the combination of InO with other agents in the relapse setting and the addition of InO to frontline therapy. This review details the preclinical and clinical development of InO, focusing on how best to use it and future directions for further development.
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Affiliation(s)
- Joseph Wynne
- Department of Medicine, University of Chicago Medicine, Chicago, IL; and
| | - David Wright
- Drug Safety Research and Development, Pfizer, Groton, CT
| | - Wendy Stock
- Department of Medicine, University of Chicago Medicine, Chicago, IL; and
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