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Lawal IO, Bilen MA, Halkar RK, Jani AB, Schuster DM. Prostate Cancer Skeletal Metastasis: A Spontaneous Evolution from Osteolytic to Osteoblastic Morphology without Treatment. World J Nucl Med 2023; 22:316-320. [PMID: 38152102 PMCID: PMC10751110 DOI: 10.1055/s-0043-1777697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023] Open
Abstract
Skeletal metastases due to prostate cancer (PCa) are more commonly osteoblastic than osteolytic. In the rarer cases of osteolytic skeletal metastasis of PCa, transition to osteoblastic phenotype occurs following treatment, which indicates successful healing. In this report, we present a case of spontaneous osteolytic to osteoblastic evolution of PCa skeletal metastasis without treatment in a patient with recurrence of PCa. Our patient is a 59-year-old male who had a robotic radical prostatectomy in July 2014 for a T2c adenocarcinoma of the prostate gland (Gleason score = 4 + 3). He had adjuvant pelvic radiotherapy in January 2015 due to prostate-specific antigen (PSA) persistence. PSA began to rise in October 2015. An 18 F-fluciclovine positron emission tomography/computed tomography (PET/CT) scan obtained in June 2017 at a PSA of 0.5 ng/mL was negative. Repeat 18 F-fluciclovine PET/CT of February 2020 at PSA of 3.72 ng/mL showed prostate bed recurrence and a nonavid osteolytic left inferior pubic ramus lesion. 18F radiohybrid prostate-specific membrane antigen ( 18 F-rhPSMA) PET/CT scan of August 2020 performed as part of an ongoing clinical trial confirmed local prostate bed recurrence with a low-grade radiotracer uptake in the osteolytic left inferior pubic ramus bone lesion. Without salvage therapy, 18 F-fluciclovine PET/CT of October 2020 and March 2022 shows progressive sclerosis in the left pubic ramus lesion. An osteolytic to osteoblastic transition of a bone lesion as shown in this patient calls for a rethink in our understanding of untreated PCa skeletal metastasis progression. This case provides novel insight into the understanding of the temporal evolution of skeletal metastasis and calls for further research.
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Affiliation(s)
- Ismaheel O. Lawal
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia, United States
- Department of Nuclear Medicine, University of Pretoria, Pretoria, South Africa
| | - Mehmet A. Bilen
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia, United States
| | - Raghuveer K. Halkar
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia, United States
| | - Ashesh B. Jani
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia, United States
| | - David M. Schuster
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia, United States
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Ah-Thiane L, Sargos P, Chapet O, Jolicoeur M, Terlizzi M, Salembier C, Boustani J, Prevost C, Gaudioz S, Derashodian T, Palumbo S, De Hertogh O, Créhange G, Zilli T, Supiot S. Managing postoperative biochemical relapse in prostate cancer, from the perspective of the Francophone group of Urological radiotherapy (GFRU). Cancer Treat Rev 2023; 120:102626. [PMID: 37734178 DOI: 10.1016/j.ctrv.2023.102626] [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: 06/12/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/23/2023]
Abstract
Up to 50% of patients treated with radical surgery for localized prostate cancer may experience biochemical recurrence that requires appropriate management. Definitions of biochemical relapse may vary, but, in all cases, consist of an increase in a PSA without clinical or radiological signs of disease. Molecular imaging through to positron emission tomography has taken a preponderant place in relapse diagnosis, progressively replacing bone scan and CT-scan. Prostate bed radiotherapy is currently a key treatment, the action of which should be potentiated by androgen deprivation therapy. Nowadays perspectives consist in determining the best combination therapies, particularly thanks to next-generation hormone therapies, but not exclusively. Several trials are ongoing and should address these issues. We present here a literature review aiming to discuss the current management of biochemical relapse in prostate cancer after radical surgery, in lights of recent findings, as well as future perspectives.
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Affiliation(s)
- Loic Ah-Thiane
- Department of Radiation Oncology, ICO René Gauducheau, St-Herblain, France
| | - Paul Sargos
- Department of Radiation Oncology, Bergonie Institute, Bordeaux, France
| | - Olivier Chapet
- Department of Radiation Oncology, CHU Lyon Sud, Pierre-Bénite, France
| | - Marjory Jolicoeur
- Department of Radiation Oncology, Charles Le Moyne Hospital, Montreal, Canada
| | - Mario Terlizzi
- Department of Radiation Oncology, Gustave Roussy Cancer Center, Villejuif, France
| | - Carl Salembier
- Department of Radiation Oncology, Europe Hospitals Brussels, Belgium
| | - Jihane Boustani
- Department of Radiation Oncology, CHU Besançon, Besançon, France
| | - Célia Prevost
- Department of Radiation Oncology, CHU Lyon Sud, Pierre-Bénite, France
| | - Sonya Gaudioz
- Department of Radiation Oncology, CHU Lyon Sud, Pierre-Bénite, France
| | - Talar Derashodian
- Department of Radiation Oncology, Sindi Ahluwalia Hawkins Centre, Kelowna, Canada
| | - Samuel Palumbo
- Department of Radiation Oncology, CHU UCL Namur-Sainte Elisabeth, Namur, Belgium
| | - Olivier De Hertogh
- Department of Radiation Oncology, CHR Verviers East Belgium, Verviers, Belgium
| | - Gilles Créhange
- Department of Radiation Oncology, Curie Institute, Saint-Cloud, France
| | - Thomas Zilli
- Department of Radiation Oncology, Geneva University Hospital, Geneva, Switzerland
| | - Stéphane Supiot
- Department of Radiation Oncology, ICO René Gauducheau, St-Herblain, France.
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Turkbey B, Oto A, Allen BC, Akin O, Alexander LF, Ari M, Froemming AT, Fulgham PF, Gettle LM, Maranchie JK, Rosenthal SA, Schieda N, Schuster DM, Venkatesan AM, Lockhart ME. ACR Appropriateness Criteria® Post-Treatment Follow-up of Prostate Cancer: 2022 Update. J Am Coll Radiol 2023; 20:S164-S186. [PMID: 37236741 DOI: 10.1016/j.jacr.2023.02.012] [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: 02/21/2023] [Accepted: 02/27/2023] [Indexed: 05/28/2023]
Abstract
Prostate cancer has a wide spectrum ranging between low-grade localized disease and castrate-resistant metastatic disease. Although whole gland and systematic therapies result in cure in the majority of patients, recurrent and metastatic prostate cancer can still occur. Imaging approaches including anatomic, functional, and molecular modalities are continuously expanding. Currently, recurrent and metastatic prostate cancer is grouped in three major categories: 1) Clinical concern for residual or recurrent disease after radical prostatectomy, 2) Clinical concern for residual or recurrent disease after nonsurgical local and pelvic treatments, and 3) Metastatic prostate cancer treated by systemic therapy (androgen deprivation therapy, chemotherapy, immunotherapy). This document is a review of the current literature regarding imaging in these settings and the resulting recommendations for imaging. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision include an extensive analysis of current medical literature from peer reviewed journals and the application of well-established methodologies (RAND/UCLA Appropriateness Method and Grading of Recommendations Assessment, Development, and Evaluation or GRADE) to rate the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where evidence is lacking or equivocal, expert opinion may supplement the available evidence to recommend imaging or treatment.
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Affiliation(s)
- Baris Turkbey
- National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
| | - Aytekin Oto
- Panel Chair, University of Chicago, Chicago, Illinois
| | - Brian C Allen
- Panel Vice-Chair, Duke University Medical Center, Durham, North Carolina
| | - Oguz Akin
- Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Mim Ari
- The University of Chicago, Chicago, Illinois, Primary care physician
| | | | - Pat F Fulgham
- Urology Clinics of North Texas, Dallas, Texas; American Urological Association
| | | | | | - Seth A Rosenthal
- Sutter Medical Group, Sacramento, California; Commission on Radiation Oncology
| | - Nicola Schieda
- Ottawa Hospital Research Institute and the Department of Radiology, The University of Ottawa, Ottawa, Ontario, Canada
| | - David M Schuster
- Emory University, Atlanta, Georgia; Commission on Nuclear Medicine and Molecular Imaging
| | | | - Mark E Lockhart
- Specialty Chair, University of Alabama at Birmingham, Birmingham, Alabama
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4
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Lawal IO, Jani AB, Adediran OA, Goyal S, Abiodun-Ojo OA, Dhere VR, Marcus CV, Joshi SS, Master VA, Patel PR, Goodman M, Shelton JW, Kucuk O, Hershatter B, Fielder B, Halkar RK, Schuster DM. Differences in Failure-Free Survival After Salvage Radiotherapy Guided by Conventional Imaging Versus 18F-Fluciclovine PET/CT in Postprostatectomy Patients: A Post Hoc Substratification Analysis of the EMPIRE-1 Trial. J Nucl Med 2023; 64:586-591. [PMID: 36328489 PMCID: PMC10071787 DOI: 10.2967/jnumed.122.264832] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
The EMPIRE-1 (Emory Molecular Prostate Imaging for Radiotherapy Enhancement 1) trial reported a survival advantage in recurrent prostate cancer salvage radiotherapy (SRT) guided by 18F-fluciclovine PET/CT versus conventional imaging. We performed a post hoc analysis of the EMPIRE-1 cohort stratified by protocol-specified criteria, comparing failure-free survival (FFS) between study arms. Methods: EMPIRE-1 randomized patients to SRT planning via either conventional imaging only (bone scanning plus abdominopelvic CT or MRI) (arm A) or conventional imaging plus 18F-fluciclovine PET/CT (arm B). Randomization was stratified by prostate-specific antigen (PSA) level (<2.0 vs. ≥ 2.0 ng/mL), adverse pathology, and androgen-deprivation therapy (ADT) intent. We subdivided patients in each arm using the randomization stratification criteria and compared FFS between patient subgroups across study arms. Results: Eighty-one and 76 patients received per-protocol SRT in study arms A and B, respectively. The median follow-up was 3.5 y (95% CI, 3.0-4.0). FFS was 63.0% and 51.2% at 36 and 48 mo, respectively, in arm A and 75.5% at both 36 and 48 mo in arm B. Among patients with a PSA of less than 2 ng/mL (mean, 0.42 ± 0.42 ng/mL), significantly higher FFS was seen in arm B than arm A at 36 mo (83.2% [95% CI, 70.0-91.0] vs. 66.5% [95% CI, 51.6-77.8], P < 0.001) and 48 mo (83.2% [95% CI, 70.0-91.0] vs. 56.2% [95% CI, 40.5-69.2], P < 0.001). No significant difference in FFS between study arms in patients with a PSA of at least 2 ng/mL was observed. Among patients with adverse pathology, significantly higher FFS was seen in arm B than arm A at 48 mo (68.9% [95% CI, 52.1-80.8] vs. 42.8% [95% CI, 26.2-58.3], P < 0.001) though not at the 36-mo follow-up. FFS was higher in patients without adverse pathology in arm B versus arm A (90.2% [95% CI, 65.9-97.5] vs. 73.1% [95% CI, 42.9-89.0], P = 0.006) at both 36 and 48 mo. Patients in whom ADT was intended in arm B had higher FFS than those in arm A, with the difference reaching statistical significance at 48 mo (65.2% [95% CI, 40.3-81.7] vs. 29.1 [95% CI, 6.5-57.2], P < 0.001). Patients without ADT intent in arm B had significantly higher FFS than patients in arm A at 36 mo (80.7% [95% CI, 64.9-90.0] vs. 68.0% [95% CI, 51.1-80.2]) and 48 mo (80.7% [95% CI, 64.9-90.0] vs. 58.6% [95% CI, 41.0-72.6]). Conclusion: The survival advantage due to the addition of 18F-fluciclovine PET/CT to SRT planning is maintained regardless of the presence of adverse pathology or ADT intent. Including 18F-fluciclovine PET/CT to SRT leads to survival benefits in patients with a PSA of less than 2 ng/mL but not in patients with a PSA of 2 ng/mL or higher.
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Affiliation(s)
- Ismaheel O Lawal
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia;
- Department of Nuclear Medicine, University of Pretoria, Pretoria, South Africa
| | - Ashesh B Jani
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Omotayo A Adediran
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia
| | - Subir Goyal
- Biostatics Shared Resource, Winship Cancer Institute of Emory University, Atlanta, Georgia
| | | | - Vishal R Dhere
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Charles V Marcus
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia
| | - Shreyas S Joshi
- Department of Urology, Emory University, Atlanta, Georgia; and
| | - Viraj A Master
- Department of Urology, Emory University, Atlanta, Georgia; and
| | - Pretesh R Patel
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Mark Goodman
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia
| | - Joseph W Shelton
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Omer Kucuk
- Department of Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Bruce Hershatter
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Bridget Fielder
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia
| | - Raghuveer K Halkar
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia
| | - David M Schuster
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia
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Lawal IO, Marcus C, Schuster DM, Goyal S, Adediran OA, Dhere VR, Joshi SS, Abiodun-Ojo OA, Master VA, Patel PR, Fielder B, Goodman M, Shelton JW, Kucuk O, Hershatter B, Halkar RK, Jani AB. Impact of 18 F-Fluciclovine PET/CT Findings on Failure-Free Survival in Biochemical Recurrence of Prostate Cancer Following Salvage Radiation Therapy. Clin Nucl Med 2023; 48:e153-e159. [PMID: 36754362 PMCID: PMC9992149 DOI: 10.1097/rlu.0000000000004590] [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] [Indexed: 02/10/2023]
Abstract
PURPOSE We aimed to evaluate the impact of 18 F-fluciclovine PET/CT imaging on failure-free survival (FFS) post-salvage radiotherapy (SRT) for prostate cancer (PCa) recurrence. METHODS Seventy-nine patients were recruited in a phase 2/3 clinical trial to undergo 18 F-fluciclovine PET/CT before SRT for PCa. Four patients with extrapelvic disease were excluded. All patients were followed up at regular intervals up to 48 months. Treatment failure was defined as a serum prostate-specific antigen level of ≥0.2 ng/mL above the nadir after SRT, confirmed with an additional measurement, requiring systemic treatment or clinical progression. Failure-free survival was computed and compared between patients grouped according to 18 F-fluciclovine PET/CT imaging findings. RESULTS Eighty percent (60/75) of patients had a positive finding on 18 F-fluciclovine PET/CT, of which 56.7% (34/60) had prostate bed-only uptake, whereas 43.3% (26/60) had pelvic nodal ± bed uptake. Following SRT, disease failure was detected in 36% (27/75) of patients. There was a significant difference in FFS between patients who had a positive versus negative scan (62.3% vs 92.9% [ P < 0.001] at 36 months and 59.4% vs 92.9% [ P < 0.001] at 48 months). Similarly, there was a significant difference in FFS between patients with uptake in pelvic nodes ± bed versus prostate bed only at 36 months (49.8% vs 70.7%; P = 0.003) and at 48 months (49.8% vs 65.6%; P = 0.040). Failure-free survival was also significantly higher in patients with either negative PET/CT or prostate bed-only disease versus those with pelvic nodal ± prostate bed disease at 36 (78% vs 49.8%, P < 0.001) and 48 months (74.4% vs 49.8%, P < 0.001). CONCLUSIONS Findings on pre-SRT 18 F-fluciclovine PET/CT imaging, even when acted upon to optimize the treatment decisions and treatment planning, are predictive of post-SRT FFS in men who experience PCa recurrence after radical prostatectomy. A negative 18 F-fluciclovine PET/CT is most predictive of a lower risk of failure, whereas the presence of pelvic nodal recurrence portends a higher risk of SRT failure.
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Affiliation(s)
- Ismaheel O. Lawal
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
- Department of Nuclear Medicine, University of Pretoria, Pretoria, South Africa
| | - Charles Marcus
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - David M. Schuster
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - Subir Goyal
- Biostatics Shared Resource, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Omotayo A. Adediran
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - Vishal R. Dhere
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | | | | | | | - Pretesh R. Patel
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Bridget Fielder
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - Mark Goodman
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - Joseph W. Shelton
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Omer Kucuk
- Department of Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Bruce Hershatter
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Raghuveer K. Halkar
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - Ashesh B. Jani
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
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Anderson RC, Velez EM, Jadvar H. Management Impact of Metachronous Oligometastatic Disease Identified on 18F-Fluciclovine (Axumin™) PET/CT in Biochemically Recurrent Prostate Cancer. Mol Imaging Biol 2022; 24:920-927. [PMID: 35604526 DOI: 10.1007/s11307-022-01742-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 12/29/2022]
Abstract
PURPOSE We assessed the incidence rate and management impact of oligometastatic disease detected on 18F-fluciclovine (Axumin™) PET/CT in men with first biochemical recurrence (BCR) of prostate cancer (PCA) after definitive primary therapy. METHODS AND MATERIALS We retrospectively reviewed our clinical database for men with PCA who underwent 18F-fluciclovine PET/CT for imaging evaluation of BCR with negative or equivocal findings on conventional imaging. We included patients with up to and including 5 metastases (oligometastases) regardless of imaging evidence for local recurrence in the treated prostate bed. We examined the association between mean serum prostate specific antigen (PSA) levels with the number of oligometastases (non-parametric ANOVA) and between patients with or without local recurrence (Student t-test). The management impact of oligometastatic disease was tabulated. RESULTS We identified 21 patients with oligometastases upon first BCR (PSA 0.2-56.8 ng/mL) out of 89 eligible patients. There was a significant difference (p = 0.04) in the mean PSA levels between patients with local recurrence (n = 12) and those without local recurrence (n = 9). In the subgroup of analysis of patients without local recurrence, there was no significant association between mean PSA level and number of oligometastases (p = 0.83). Distribution of oligometastases included 66.7% isolated nodal disease and 33.3% bone only. Twelve (57.1%) patients had change in management to include change in ADT, salvage therapy, or both. Treatment change was initiated in 62.5%, 28.6%, 66.7%, 100%, and 100% of patients with 1, 2, 3, 4, and 5 oligometastatic lesions, respectively. CONCLUSION The incidence rate of oligometastatic disease in men with first BCR of PCA undergoing 18F-fluciclovine PET/CT for imaging evaluation of BCR was 23.6% in our eligible patient population. There was no significant association between serum PSA level and the number of oligometastases. Treatment management was affected in 57.1% of patients with oligometastases.
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Affiliation(s)
- Redmond-Craig Anderson
- Division of Nuclear Medicine, Department of Radiology, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, CSC 102, Los Angeles, CA, 90033, USA
| | - Erik M Velez
- Division of Nuclear Medicine, Department of Radiology, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, CSC 102, Los Angeles, CA, 90033, USA
| | - Hossein Jadvar
- Division of Nuclear Medicine, Department of Radiology, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, CSC 102, Los Angeles, CA, 90033, USA.
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Li M, Zelchan R, Orlova A. The Performance of FDA-Approved PET Imaging Agents in the Detection of Prostate Cancer. Biomedicines 2022; 10:biomedicines10102533. [PMID: 36289795 PMCID: PMC9599369 DOI: 10.3390/biomedicines10102533] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/01/2022] [Accepted: 10/06/2022] [Indexed: 11/23/2022] Open
Abstract
Positron emission tomography (PET) incorporated with X-ray computed tomography (PET/CT) or magnetic resonance imaging (PET/MRI) is increasingly being used as a diagnostic tool for prostate cancer (PCa). In this review, we describe and evaluate the clinical performance of some Food and Drug Administration (FDA)-approved agents used for visualizing PCa: [18F]FDG, [11C]choline, [18F]FACBC, [68Ga]Ga-PSMA-11, [18F]DCFPyL, and [18F]-NaF. We carried out a comprehensive literature search based on articles published from 1 January 2010 to 1 March 2022. We selected English language articles associated with the discovery, preclinical study, clinical study, and diagnostic performance of the imaging agents for the evaluation. Prostate-specific membrane antigen (PSMA)-targeted imaging agents demonstrated superior diagnostic performance in both primary and recurrent PCa, compared with [11C]choline and [18F]FACBC, both of which target dividing cells and are used especially in patients with low prostate-specific antigen (PSA) values. When compared to [18F]-NaF (which is suitable for the detection of bone metastases), PSMA-targeted agents were also capable of detecting lesions in the lymph nodes, soft tissues, and bone. However, a limitation of PSMA-targeted imaging was the heterogeneity of PSMA expression in PCa, and consequently, a combination of two PET tracers was proposed to overcome this obstacle. The preliminary studies indicated that the use of PSMA-targeted scanning is more cost efficient than conventional imaging modalities for high-risk PCa patients. Furthering the development of imaging agents that target PCa-associated receptors and molecules could improve PET-based diagnosis of PCa.
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Affiliation(s)
- Mei Li
- Department of Medicinal Chemistry, Uppsala University, 751 23 Uppsala, Sweden
- Liaoning Medical Device Test Institute, Shenyang 110171, China
| | - Roman Zelchan
- Department of Nuclear Medicine, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 5 Kooperativny St., 634009 Tomsk, Russia
- Research Centrum for Oncotheranostics, Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 634050 Tomsk, Russia
| | - Anna Orlova
- Department of Medicinal Chemistry, Uppsala University, 751 23 Uppsala, Sweden
- Research Centrum for Oncotheranostics, Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 634050 Tomsk, Russia
- Science for Life Laboratory, Uppsala University, 752 37 Uppsala, Sweden
- Correspondence:
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8
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Prostate Cancer Imaging with 18F-Fluciclovine. PET Clin 2022; 17:607-620. [DOI: 10.1016/j.cpet.2022.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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9
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Payne H, Bomanji J, Bottomley D, Scarsbrook AF, Teoh EJ. Impact of 18F-fluciclovine PET/CT on salvage radiotherapy plans for men with recurrence of prostate cancer postradical prostatectomy. Nucl Med Commun 2022; 43:201-211. [PMID: 34669678 PMCID: PMC8754096 DOI: 10.1097/mnm.0000000000001501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/04/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Imaging options to localize biochemical recurrence (BCR) of prostate cancer after radical prostatectomy (RP) are limited, especially at low prostate-specific antigen (PSA) levels. The FALCON study evaluated the impact of 18F-fluciclovine PET/CT on management plans for patients with BCR. Here, we evaluate salvage radiotherapy decisions in patients post-RP. METHODS We conducted a subgroup analysis of post-RP patients enrolled in FALCON who had a prescan plan for salvage radiotherapy (± androgen-deprivation therapy). Patients' treatment plans post-18F-fluciclovine PET/CT were compared with their prescan plans. Fisher exact test was used to determine the impact of PSA and Gleason sum on positivity and anatomical patterns of uptake. RESULTS Sixty-five (63%) FALCON patients had undergone RP. Of these, 62 (median PSA, 0.32 ng/mL) had a prescan plan for salvage radiotherapy. Twenty-one (34%) had 18F-fluciclovine-avid lesions. Disease was confined to the prostate bed in 11 patients (52%) and to the pelvis in a further 5 (24%), while 5 (24%) had extrapelvic findings. Trends towards more disseminated disease with increasing PSA or Gleason sum were observed but did not reach statistical significance. Postscan, 25 (40%) patients had a management change; 17 (68%) were changed to the treatment modality (8 to systemic therapy, 8 to active surveillance, 1 other) and 8 (32%) were radiotherapy field modifications. CONCLUSIONS Incorporating 18F-fluciclovine PET/CT into treatment planning may help identify patients suitable for salvage radiotherapy, help augment planned radiotherapy to better target lesions and support the clinician to optimise patient management.
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Affiliation(s)
- Heather Payne
- Department of Oncology, University College London Hospitals NHS Foundation Trust, London
| | - Jamshed Bomanji
- Institute of Nuclear Medicine, University College London Hospitals NHS Foundation Trust, London
| | | | | | - Eugene J. Teoh
- Departments of Radiology and Nuclear Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford, UK (at the time of study conduct)
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Filippi L, Bagni O, Crisafulli C, Cerio I, Brunotti G, Chiaravalloti A, Schillaci O, Dore F. Detection Rate and Clinical Impact of PET/CT with 18F-FACBC in Patients with Biochemical Recurrence of Prostate Cancer: A Retrospective Bicentric Study. Biomedicines 2022; 10:biomedicines10010177. [PMID: 35052856 PMCID: PMC8773479 DOI: 10.3390/biomedicines10010177] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/11/2022] [Accepted: 01/13/2022] [Indexed: 12/19/2022] Open
Abstract
Our aim was to assess the detection rate (DR) of positron emission computed tomography (PET/CT) with anti-1-amino-3-[18F]-flurocyclobutane-1-carboxylic acid (18F-FACBC) in patients with biochemical recurrence (BCR) from prostate cancer (PC). As a secondary endpoint, we evaluated 18F-FACBC PET/CT’s impact on patients management. Clinical records of 81 patients submitted to 18F-FACBC PET/CT due to PC BCR in two Italian Nuclear Medicine Units were retrospectively assessed. DR was gauged in the whole cohort and stratifying patients by discrete intervals of PSA levels. PET/CT’s impact on clinical management was scored as (1) major if it entailed an intermodality change (e.g., from systemic to loco-regional therapy); (2) minor if it led to an intramodality change (e.g., modified radiotherapy field). PET/CT’s DR resulted in 76.9% in the whole cohort, with a positive predictive value of 96.7%. Stratified by PSA quartile intervals, PET/CT’s DR was 66.7%, 71.4%, 78.9% and 90% for PSA 0.2–0.57 ng/mL, 0.58–0.99 ng/mL, 1–1.5 ng/mL and >1.5 ng/mL without significant difference among groups (p = 0.81). The most common sites of relapse were prostate bed and pelvic lymph nodes (59.3%). PET/CT impacted on clinical management in 33/81 cases (40.7%), leading to a major change in 30 subjects (90.9%). 18F-FACBC PET/CT localized recurrence in patients with BCR, with meaningful DR also at low PSA levels and significantly impacted on clinical management.
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Affiliation(s)
- Luca Filippi
- Nuclear Medicine Unit, “Santa Maria Goretti” Hospital, Via Antonio Canova, 04100 Latina, Italy;
- Correspondence: ; Tel.: +39-077-3655-3591
| | - Oreste Bagni
- Nuclear Medicine Unit, “Santa Maria Goretti” Hospital, Via Antonio Canova, 04100 Latina, Italy;
| | - Carmelo Crisafulli
- Nuclear Medicine Unit, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), Cattinara Hospital, Strada di Fiume 447, 34129 Trieste, Italy; (C.C.); (I.C.); (F.D.)
| | - Ivan Cerio
- Nuclear Medicine Unit, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), Cattinara Hospital, Strada di Fiume 447, 34129 Trieste, Italy; (C.C.); (I.C.); (F.D.)
| | - Gabriele Brunotti
- Department of Radiological Sciences, Oncology and Anatomical Pathology, Sapienza University of Rome, Viale Regina Elena 324, 00100 Rome, Italy;
| | - Agostino Chiaravalloti
- Department of Biomedicine and Prevention, University Tor Vergata, Viale Oxford 81, 00133 Rome, Italy; (A.C.); (O.S.)
- IRCCS Neuromed, 86077 Pozzilli, Italy
| | - Orazio Schillaci
- Department of Biomedicine and Prevention, University Tor Vergata, Viale Oxford 81, 00133 Rome, Italy; (A.C.); (O.S.)
- IRCCS Neuromed, 86077 Pozzilli, Italy
| | - Franca Dore
- Nuclear Medicine Unit, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), Cattinara Hospital, Strada di Fiume 447, 34129 Trieste, Italy; (C.C.); (I.C.); (F.D.)
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Jani AB, Schreibmann E, Goyal S, Halkar R, Hershatter B, Rossi PJ, Shelton JW, Patel PR, Xu KM, Goodman M, Master VA, Joshi SS, Kucuk O, Carthon BC, Bilen MA, Abiodun-Ojo OA, Akintayo AA, Dhere VR, Schuster DM. 18F-fluciclovine-PET/CT imaging versus conventional imaging alone to guide postprostatectomy salvage radiotherapy for prostate cancer (EMPIRE-1): a single centre, open-label, phase 2/3 randomised controlled trial. Lancet 2021; 397:1895-1904. [PMID: 33971152 PMCID: PMC8279109 DOI: 10.1016/s0140-6736(21)00581-x] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/04/2021] [Accepted: 03/02/2021] [Indexed: 01/04/2023]
Abstract
BACKGROUND Molecular imaging is increasingly used to guide treatment decisions and planning in prostate cancer. We aimed to evaluate the role of 18F-fluciclovine-PET/CT in improving cancer control compared with conventional imaging (bone scan and either CT or MRI) alone for salvage postprostatectomy radiotherapy. METHODS In EMPIRE-1, a single-centre, open-label, phase 2/3 randomised controlled trial, patients with prostate cancer with detectable PSA after prostatectomy and negative conventional imaging (no extrapelvic or bone findings) were randomly assigned in a 1:1 ratio to radiotherapy directed by conventional imaging alone or to conventional imaging plus 18F-fluciclovine-PET/CT. Computer-generated randomisation was stratified by PSA concentration, adverse pathology indicators, and androgen deprivation therapy intent. In the 18F-fluciclovine-PET/CT group, radiotherapy decisions were rigidly determined by PET findings, which were also used for target delineation. The primary endpoint was 3 year event-free survival, with events defined as biochemical or clinical recurrence or progression, or initiation of systemic therapy, using univariate and multivariable analyses in patients who received radiotherapy. This trial is registered with ClinicalTrials.gov, NCT01666808 and is closed to new participants. FINDINGS From Sept 18, 2012, to March 4, 2019, 165 patients were randomly assigned, with median follow-up of 3·52 years (95% CI 2·98-3·95). PET findings resulted in four patients in the 18F-fluciclovine-PET/CT group having radiotherapy aborted; these patients were excluded from survival analyses. Median survival was not reached (95% CI 35·2-not reached; 33% of 81 patients had events) in the conventional imaging group compared with not reached (95% CI not reached-not reached; 20% of 76 patients) in the 18F-fluciclovine-PET/CT group, and 3 year event-free survival was 63·0% (95% CI 49·2-74·0) in the conventional imaging group versus 75·5% (95% CI 62·5-84·6) for 18F-fluciclovine-PET/CT (difference 12·5; 95% CI 4·3-20·8; p=0·0028). In adjusted analyses, study group (hazard ratio 2·04 [95% CI 1·06-3·93], p=0·0327) was significantly associated with event-free survival. Toxicity was similar in both study groups, with the most common adverse events being late urinary frequency or urgency (37 [46%] of 81 patients in the conventional imaging group and 31 [41%] of 76 in the PET group), and acute diarrhoea (11 [14%] in the conventional imaging group and 16 [21%] in the PET group). INTERPRETATION Inclusion of 18F-fluciclovine-PET into postprostatectomy radiotherapy decision making and planning significantly improved survival free from biochemical recurrence or persistence. Integration of novel PET radiotracers into radiotherapy decisions and planning for prostate cancer patients warrants further study. FUNDING National Institutes of Health/National Cancer Institute, Blue Earth Diagnostics, and Winship Cancer Institute of Emory University.
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Affiliation(s)
- Ashesh B Jani
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA.
| | - Eduard Schreibmann
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Subir Goyal
- Biostatistics Shared Resource, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Raghuveer Halkar
- Department of Radiology and Imaging Sciences, Emory University, Atlanta GA, USA
| | - Bruce Hershatter
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Peter J Rossi
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Joseph W Shelton
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Pretesh R Patel
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Karen M Xu
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Mark Goodman
- Department of Radiology and Imaging Sciences, Emory University, Atlanta GA, USA
| | - Viraj A Master
- Department of Urology, Emory University, Atlanta GA, USA
| | | | - Omer Kucuk
- Department of Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Bradley C Carthon
- Department of Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Mehmet A Bilen
- Department of Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | | | - Akinyemi A Akintayo
- Department of Radiology and Imaging Sciences, Emory University, Atlanta GA, USA
| | - Vishal R Dhere
- Department of Radiation Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - David M Schuster
- Department of Radiology and Imaging Sciences, Emory University, Atlanta GA, USA
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