1
|
Sutera P, Kim J, Kumar R, Deek RA, Stephenson R, Mayer T, Saraiya B, Ghodoussipour S, Jang T, Golombos D, Packiam V, Ennis R, Hathout L, Jabbour SK, Guler O, Onal C, Tran PT, Deek MP. PIK3/Akt/mTOR pathway alterations in metastatic castration-sensitive prostate cancer. Prostate 2024; 84:1301-1308. [PMID: 39021052 DOI: 10.1002/pros.24765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 05/30/2024] [Accepted: 06/26/2024] [Indexed: 07/20/2024]
Abstract
BACKGROUND Alterations in the PIK3/Akt/mTOR pathway are commonly seen in metastatic castration-sensitive prostate cancer (mCSPC), however their role in outcomes is unknown. We aim to evaluate the prognostic significance as well as the genetic landscape of PIK3/Akt/mTOR pathway alteration in mCSPC. METHODS Fourhundred and seventy-two patients with mCSPC were included who underwent next generation sequencing. PIK3/Akt/mTor pathway alterations were defined as mutations in Akt1, mTOR, PIK3CA, PIK3CB, PIK3R1, PTEN, TSC1, and TSC2. Endpoints of interests were radiographic progression-free survival (rPFS), time to development of castration resistant prostate cancer (tdCRPC), and overall survival (OS). Kaplan-Meier analysis was performed and Cox regression hazard ratios (HR) were calculated. RESULTS One hundred and fifty-two (31.9%) patients harbored a PIK3/Akt/mTOR pathway alteration. Median rPFS and tdCRPC were 23.7 and 21.0 months in PIK3/Akt/mTOR altered compared to 32.8 (p = 0.08) and 32.1 months (p = 0.002) in wildtype tumors. On multivariable analysis PIK3/Akt/mTOR pathway alterations were associated with tdCRPC (HR 1.43, 95% CI, 1.05-1.94, p = 0.02), but not rPFS [Hazard ratio (HR) 1.20, 95% confidence interval (CI), 0.90-1.60, p = 0.21]. PIK3/Akt/mTOR pathway alterations were more likely to be associated with concurrent mutations in TP53 (40% vs. 28%, p = 0.01) and TMPRSS2-ERG (37% vs. 26%, p = 0.02) than tumors without PIK3/Akt/mTOR pathway alterations. Concurrent mutations were typically associated with shorter median times to rPFS and tdCRPC. DAVID analysis showed p53 signaling and angiogenesis pathways were enriched in PIK3/Akt/mTOR pathway altered tumors while beta-catenin binding and altered BRCA pathway were enriched in PIK3/Akt/mTOR pathway wildtype tumors. CONCLUSIONS PIK3/Akt/mTOR pathway alterations were common in mCSPC and associated with poorer prognosis. The genetic landscape of PIK3/Akt/mTOR pathway altered tumors differed from wildtype tumors. Additional studies are needed to better understand and target the PIK3/Akt/mTOR pathway in mCSPC.
Collapse
Affiliation(s)
- Philip Sutera
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jongmyung Kim
- Department of Radiation Oncology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Ritesh Kumar
- Department of Radiation Oncology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Rebecca A Deek
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Ryan Stephenson
- Rutgers Robert Wood Johnson Medical School, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Tina Mayer
- Rutgers Robert Wood Johnson Medical School, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Biren Saraiya
- Rutgers Robert Wood Johnson Medical School, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Saum Ghodoussipour
- Department of Urology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Thomas Jang
- Department of Urology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - David Golombos
- Department of Urology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Vignesh Packiam
- Department of Urology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey, USA
| | - Ronald Ennis
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland, USA
| | - Lara Hathout
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland, USA
| | - Salma K Jabbour
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland, USA
| | - Ozan Guler
- Department of Radiation Oncology, Baskent University, Ankara, Turkey
| | - Cem Onal
- Department of Radiation Oncology, Baskent University, Ankara, Turkey
| | - Phuoc T Tran
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Matthew P Deek
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland, USA
| |
Collapse
|
2
|
Winter RC, Amghar M, Wacker AS, Bakos G, Taş H, Roscher M, Kelly JM, Benešová-Schäfer M. Future Treatment Strategies for Cancer Patients Combining Targeted Alpha Therapy with Pillars of Cancer Treatment: External Beam Radiation Therapy, Checkpoint Inhibition Immunotherapy, Cytostatic Chemotherapy, and Brachytherapy. Pharmaceuticals (Basel) 2024; 17:1031. [PMID: 39204136 PMCID: PMC11359268 DOI: 10.3390/ph17081031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 07/22/2024] [Accepted: 07/25/2024] [Indexed: 09/03/2024] Open
Abstract
Cancer is one of the most complex and challenging human diseases, with rising incidences and cancer-related deaths despite improved diagnosis and personalized treatment options. Targeted alpha therapy (TαT) offers an exciting strategy emerging for cancer treatment which has proven effective even in patients with advanced metastatic disease that has become resistant to other treatments. Yet, in many cases, more sophisticated strategies are needed to stall disease progression and overcome resistance to TαT. The combination of two or more therapies which have historically been used as stand-alone treatments is an approach that has been pursued in recent years. This review aims to provide an overview on TαT and the four main pillars of therapeutic strategies in cancer management, namely external beam radiation therapy (EBRT), immunotherapy with checkpoint inhibitors (ICI), cytostatic chemotherapy (CCT), and brachytherapy (BT), and to discuss their potential use in combination with TαT. A brief description of each therapy is followed by a review of known biological aspects and state-of-the-art treatment practices. The emphasis, however, is given to the motivation for combination with TαT as well as the pre-clinical and clinical studies conducted to date.
Collapse
Affiliation(s)
- Ruth Christine Winter
- Research Group Molecular Biology of Systemic Radiotherapy/Translational Radiotheranostics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; (R.C.W.); (M.A.); (G.B.); (H.T.)
| | - Mariam Amghar
- Research Group Molecular Biology of Systemic Radiotherapy/Translational Radiotheranostics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; (R.C.W.); (M.A.); (G.B.); (H.T.)
| | - Anja S. Wacker
- Department of Radiology, Molecular Imaging Innovations Institute (MI3), Weill Cornell Medicine, 413 East 69th Street, New York, NY 10021, USA; (A.S.W.); (J.M.K.)
| | - Gábor Bakos
- Research Group Molecular Biology of Systemic Radiotherapy/Translational Radiotheranostics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; (R.C.W.); (M.A.); (G.B.); (H.T.)
| | - Harun Taş
- Research Group Molecular Biology of Systemic Radiotherapy/Translational Radiotheranostics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; (R.C.W.); (M.A.); (G.B.); (H.T.)
| | - Mareike Roscher
- Service Unit for Radiopharmaceuticals and Preclinical Studies, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany;
| | - James M. Kelly
- Department of Radiology, Molecular Imaging Innovations Institute (MI3), Weill Cornell Medicine, 413 East 69th Street, New York, NY 10021, USA; (A.S.W.); (J.M.K.)
| | - Martina Benešová-Schäfer
- Research Group Molecular Biology of Systemic Radiotherapy/Translational Radiotheranostics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; (R.C.W.); (M.A.); (G.B.); (H.T.)
| |
Collapse
|
3
|
Mahajan S, Gavane S, Pandit-Taskar N. Targeted Radiopharmaceutical Therapy for Bone Metastases. Semin Nucl Med 2024; 54:497-512. [PMID: 38937221 DOI: 10.1053/j.semnuclmed.2024.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 06/29/2024]
Abstract
Radiopharmaceutical approaches for targeting bone metastasis have traditionally focused on palliation of pain. Several agents have been clinically used over the last several decades and have proven value in pain palliation providing pain relief and improving quality of life. The role is well established across several malignancies, most commonly used in osteoblastic prostate cancer patients. These agents have primarily based on targeting and uptake in bone matrix and have mostly included beta emitting isotopes. The advent alpha emitter and FDA approval of 223Ra-dichloride has created a paradigm shift in clinical approach from application for pain palliation to treatment of bone metastasis. The approval of 223Ra-dichloride given the survival benefit in metastatic prostate cancer patients, led to predominant use of this alpha emitter in prostate cancer patients. With rapid development of radiopharmaceutical therapies and approval of other targeted agents such as 177Lu-PSMA the approach to treatment of bone metastasis has further evolved and combination treatments have increasingly been applied. Novel approaches are needed to improve and expand the use of such therapies for treatment of bone metastasis. Combination therapies with different targeting mechanisms, combining chemotherapies and cocktail of alpha and beta emitters need further exploration.
Collapse
Affiliation(s)
- Sonia Mahajan
- Department of Radiology, Molecular Imaging and Therapy Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Somali Gavane
- Department of Radiology, Molecular Imaging and Therapy Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Neeta Pandit-Taskar
- Department of Radiology, Molecular Imaging and Therapy Service, Memorial Sloan Kettering Cancer Center, New York, NY.
| |
Collapse
|
4
|
Smack C, Johnson B, Nyalwidhe JO, Semmes OJ, Yang L. Small extracellular vesicles: Roles and clinical application in prostate cancer. Adv Cancer Res 2024; 161:119-190. [PMID: 39032949 DOI: 10.1016/bs.acr.2024.05.008] [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: 07/23/2024]
Abstract
Prostate cancer is a significant health problem in the United States. It is remarkably heterogenous, ranging from slow growing disease amenable to active surveillance to highly aggressive forms requiring active treatments. Therefore, being able to precisely determine the nature of disease and appropriately match patients to available and/or novel therapeutics is crucial to improve patients' overall outcome and quality of life. Recently small extracellular vesicles (sEVs), a subset of nanoscale membranous vesicles secreted by various cells, have emerged as important analytes for liquid biopsy and promising vehicles for drug delivery. sEVs contain various biomolecules such as genetic material, proteins, and lipids that recapitulate the characteristics and state of their donor cells. The application of existing and newly developed technologies has resulted in an increased depth of knowledge about biophysical structures, biogenesis, and functions of sEVs. In prostate cancer patients, tumor-derived sEVs can be isolated from biofluids, commonly urine and blood. They mediate intercellular signaling within the tumor microenvironment and distal organ-specific sites, supporting cancer initiation, progression, and metastasis. A mounting body of evidence suggests that sEV components can be potent biomarkers for prostate cancer diagnosis, prognosis, and prediction of disease progression and treatment response. Due to enhanced circulation stability and bio-barrier permeability, sEVs can be also used as effective drug delivery carriers to improve the efficacy and specificity of anti-tumor therapies. This review discusses recent studies on sEVs in prostate cancer and is focused on their role as biomarkers and drug delivery vehicles in the clinical management of prostate cancer.
Collapse
Affiliation(s)
- Caleb Smack
- Leroy T. Canoles Jr. Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, United States; Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Benjamin Johnson
- Leroy T. Canoles Jr. Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, United States; Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Julius O Nyalwidhe
- Leroy T. Canoles Jr. Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, United States; Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - O John Semmes
- Leroy T. Canoles Jr. Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, United States; Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Lifang Yang
- Leroy T. Canoles Jr. Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, United States; Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States.
| |
Collapse
|
5
|
Sutera P, Song Y, Shetty AC, English K, Van der Eecken K, Guler OC, Wang J, Cao Y, Bazyar S, Verbeke S, Van Dorpe J, Fonteyne V, De Laere B, Mishra M, Rana Z, Molitoris J, Ferris M, Kiess A, Song DY, DeWeese T, Pienta KJ, Barbieri C, Marchionni L, Ren L, Sawant A, Simone N, Berlin A, Onal C, Tran PT, Ost P, Deek MP. Genomic Determinants Associated with Modes of Progression and Patterns of Failure in Metachronous Oligometastatic Castration-sensitive Prostate Cancer. Eur Urol Oncol 2024:S2588-9311(24)00142-1. [PMID: 38862340 DOI: 10.1016/j.euo.2024.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 03/24/2024] [Accepted: 05/21/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND AND OBJECTIVE Oligometastatic castration-sensitive prostate cancer (omCSPC) represents an early state in the progression of metastatic disease for which patients experience better outcomes in comparison to those with higher disease burden. Despite the generally more indolent nature, there is still much heterogeneity, with some patients experiencing a more aggressive clinical course unexplained by clinical features alone. Our aim was to investigate correlation of tumor genomics with the mode of progression (MOP) and pattern of failure (POF) following first treatment (metastasis-directed and/or systemic therapy) for omCSPC. METHODS We performed an international multi-institutional retrospective study of men treated for metachronous omCSPC who underwent tumor next-generation sequencing with at least 1 yr of follow-up after their first treatment. Descriptive MOP and POF results are reported with respect to the presence of genomic alterations in pathways of interest. MOP was defined as class I, long-term control (LTC; no radiographic progression at last follow-up), class II, oligoprogression (1-3 lesions), or class III, polyprogression (≥4 lesions). POF included the location of lesions at first failure. Genomic pathways of interest included TP53, ATM, RB1, BRCA1/2, SPOP, and WNT (APC, CTNNB1, RNF43). Genomic associations with MOP/POF were compared using χ2 tests. Exploratory analyses revealed that the COSMIC mutational signature and differential gene expression were also correlated with MOP/POF. Overall survival (OS) was calculated via the Kaplan-Meier method from the time of first failure. KEY FINDINGS AND CLINICAL IMPLICATIONS We included 267 patients in our analysis; the majority had either one (47%) or two (30%) metastatic lesions at oligometastasis. The 3-yr OS rate was significantly associated with MOP (71% for polyprogression vs 91% for oligoprogression; p = 0.005). TP53 mutation was associated with a significantly lower LTC rate (27.6% vs 42.3%; p = 0.04) and RB1 mutation was associated with a high rate of polyprogression (50% vs 19.9%; p = 0.022). Regarding POF, bone failure was significantly more common with tumors harboring TP53 mutations (44.8% vs25.9%; p = 0.005) and less common with SPOP mutations (7.1% vs 31.4%; p = 0.007). Visceral failure was more common with tumors harboring either WNT pathway mutations (17.2% vs 6.8%, p = 0.05) or SPOP mutations (17.9% vs 6.3%; p = 0.04). Finally, visceral and bone failures were associated with distinct gene-expression profiles. CONCLUSIONS AND CLINICAL IMPLICATIONS Tumor genomics provides novel insight into MOP and POF following treatment for metachronous omCSPC. Patients with TP53 and RB1 mutations have a higher likelihood of progression, and TP53, SPOP, and WNT pathway mutations may have a role in metastatic organotropism. PATIENT SUMMARY We evaluated cancer progression after a first treatment for metastatic prostate cancer with up to five metastases. We found that mutations in certain genes were associated with the location and extent of further metastasis in these patients.
Collapse
Affiliation(s)
- Philip Sutera
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yang Song
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA; Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Amol C Shetty
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA; Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Keara English
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Kim Van der Eecken
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium
| | - Ozan Cem Guler
- Department of Radiation Oncology, Faculty of Medicine, Baskent University, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey
| | - Jarey Wang
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yufeng Cao
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Soha Bazyar
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Sofie Verbeke
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Jo Van Dorpe
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Valérie Fonteyne
- Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
| | - Bram De Laere
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium; Department of Radiation Oncology, Iridium Network, Antwerp, Belgium
| | - Mark Mishra
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium
| | - Zaker Rana
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium
| | - Jason Molitoris
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium
| | - Matthew Ferris
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium
| | - Ana Kiess
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Daniel Y Song
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA; James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Theodore DeWeese
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA; James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Kenneth J Pienta
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA; James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Christopher Barbieri
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Luigi Marchionni
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Lei Ren
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Amit Sawant
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Nicole Simone
- Department of Radiation Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Alejandro Berlin
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
| | - Cem Onal
- Department of Radiation Oncology, Faculty of Medicine, Baskent University, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey
| | - Phuoc T Tran
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Piet Ost
- Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium.
| | - Matthew P Deek
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ, USA.
| |
Collapse
|
6
|
Bazyar S, Mannuel H, Tran PT. Stereotactic ablative radiation therapy in metastatic prostate cancer. Curr Opin Oncol 2024; 36:180-185. [PMID: 38362949 PMCID: PMC10990008 DOI: 10.1097/cco.0000000000001025] [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: 02/17/2024]
Abstract
PURPOSE OF REVIEW The evolving role of stereotactic ablative radiation therapy (SABR) as metastasis-directed therapy (MDT) for oligometastatic prostate cancer (omPCa) will be discussed. RECENT FINDINGS Oligometastatic disease (OMD) is an intermediate state between localized and wide-spread malignant disease. OMD has recently been spotlighted given the increasing demonstration of clinical benefit from local therapies despite presence of metastatic disease and allure of the curative potential of MDT in select cases. Among the different forms of MDT, SABR has rapidly become a widely adopted treatment modality. Significant efforts in this space have focused on omPCa, owing to its relatively indolent biology, presence of a sensitive and specific serum biomarker and recent advances in molecular imaging. While most studies have evaluated the role of SABR MDT in hormone sensitive omPCa, new emerging clinical data also suggests benefits of SABR MDT for even castration-resistant disease. SUMMARY Treating omPCa with SABR MDT appears to generate an efficacy signal with minimal morbidity across both hormone-sensitive and castration-resistant disease. However, additional definitive omPCa trial data are needed. Future research efforts should investigate biomarkers for this heterogeneous disease space and the role of SABR MDT in combination with systemic agents to improve upon standard of care treatments.
Collapse
Affiliation(s)
| | - Heather Mannuel
- Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | | |
Collapse
|
7
|
Deek MP, Sutera P, Jing Y, Gao R, Rothman E, Day H, Chang D, Dirix P, Armstrong AJ, Campbell B, Lopez Campos F, Berenguer M, Ramotar M, Conde-Moreno A, Berlin A, Bosetti DG, Corcoran N, Koontz B, Mercier C, Siva S, Pryor D, Ost P, Huynh MA, Kroeze S, Stish B, Kiess A, Trock B, Tran PT, Gillessen S, Sweeney C. Multi-institutional Analysis of Metastasis-directed Therapy with or Without Androgen Deprivation Therapy in Oligometastatic Castration-sensitive Prostate Cancer. Eur Urol Oncol 2024:S2588-9311(24)00086-5. [PMID: 38570239 DOI: 10.1016/j.euo.2024.03.010] [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: 12/21/2023] [Revised: 02/10/2024] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Metastasis-directed therapy (MDT) is increasingly being used in oligometastatic castration-sensitive prostate cancer (omCSPC). However, it is currently unclear how to optimally integrate MDT with the standard of care of systemic hormonal therapy. OBJECTIVE To report long-term outcomes of MDT alone versus MDT and a defined course of androgen deprivation therapy (ADT) in omCSPC. DESIGN, SETTING, AND PARTICIPANTS Here, a multicenter, international retrospective cohort of omCSPC as defined by conventional imaging was reported. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS Biochemical progression-free survival (bPFS), distant progression-free survival (dPFS), and combined biochemical or distant progression-free survival (cPFS) were evaluated with Kaplan-Meier and multivariable Cox proportional hazard regression models. RESULTS AND LIMITATIONS A total of 263 patients were included, 105 with MDT + ADT and 158 with MDT alone. The majority of patients had metachronous disease (90.5%). Five-year bPFS, dPFS, and cPFS were, respectively, 24%, 41%, and 19% in patients treated with MDT + ADT and 11% (hazard ratio [HR] 0.48, 95% confidence interval [CI] 0.36-0.64), 29% (HR 0.56, 95% CI 0.40-0.78), and 9% (HR 0.50, 95% CI 0.38-0.67) in patients treated with MDT alone. On a multivariable analysis adjusting for pretreatment variables, the use of ADT was associated with improved bPFS (HR 0.43, p < 0.001), dPFS (HR 0.45, p = 0.002), and cPFS (HR 0.44, p < 0.001). CONCLUSIONS In this large multi-institutional report, the addition of concurrent ADT to MDT appears to improve time to prostate-specific antigen progression and distant recurrence, noting that about 10% patients had durable control with MDT alone. Ongoing phase 3 studies will help further define treatment options for omCSPC. PATIENT SUMMARY Here, we report a large retrospective review evaluating the outcomes of metastasis-directed therapy with or without a limited course of androgen deprivation for patients with oligometastatic castration-sensitive prostate cancer. This international multi-institutional review demonstrates that the addition of androgen deprivation therapy to metastasis-directed therapy (MDT) improves progression-free survival. While a proportion of patients appear to have long-term disease control with MDT alone, further work in biomarker discovery is required to better identify which patients would be appropriate for de-escalated therapy.
Collapse
Affiliation(s)
- Matthew P Deek
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ, USA
| | - Philip Sutera
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yuezhou Jing
- The James Buchanan Brady Urological Institute of Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Robert Gao
- Department of Radiation Oncology, The Mayo Clinic, Rochester, MN, USA
| | - Emily Rothman
- Department of Radiation Oncology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Heather Day
- Department of Radiation Oncology, Australian Prostate Cancer Research Center, Queensland, Australia
| | - David Chang
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Victoria, Australia
| | - Piet Dirix
- Department of Radiation-Oncology, GasthuisZusters Antwerp (GZA) 'Sisters of the Hospital', Antwerp, Belgium
| | - Andrew J Armstrong
- Department of Medicine, Division of Medical Oncology, Duke Cancer Institute Center for Prostate and Urologic Cancer, Duke University Medical Center, Durham, NC, USA
| | - Bethany Campbell
- Urology Unit, Royal Melbourne Hospital, Parkville, Victoria, Australia
| | | | - Miguel Berenguer
- Radiation Oncology Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Matthew Ramotar
- Department of Radiation Oncology, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Antonio Conde-Moreno
- Radiation Oncology Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Alejandro Berlin
- Radiation Oncology Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Davide Giovanni Bosetti
- Oncology Institute of Southern Switzerland, Ente Ospedaliero Cantonale (EOC), Bellinzona, Switzerland
| | - Niall Corcoran
- Urology Unit, Royal Melbourne Hospital, Parkville, Victoria, Australia
| | | | - Carole Mercier
- Department of Radiation-Oncology, GasthuisZusters Antwerp (GZA) 'Sisters of the Hospital', Antwerp, Belgium
| | - Shankar Siva
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Victoria, Australia
| | - David Pryor
- Department of Radiation Oncology, Australian Prostate Cancer Research Center, Queensland, Australia
| | - Piet Ost
- Department of Human Structure and Repair, Ghent University, Ghent, Belgium
| | - Mai Anh Huynh
- Department of Radiation Oncology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Stephanie Kroeze
- Department of Radiation Oncology, University Hospital Zurich, Zurich, Switzerland
| | - Bradley Stish
- Department of Radiation Oncology, The Mayo Clinic, Rochester, MN, USA
| | - Ana Kiess
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Bruce Trock
- The James Buchanan Brady Urological Institute of Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Phuoc T Tran
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Silke Gillessen
- Oncology Institute of Southern Switzerland, Ente Ospedaliero Cantonale (EOC), Bellinzona, Switzerland
| | - Christopher Sweeney
- South Australian Immunogenomics Cancer Institute, University of Adelaide, Adelaide, Australia.
| |
Collapse
|
8
|
Weiner AB, Agrawal R, Valle LF, Sonni I, Kishan AU, Rettig MB, Raman SS, Calais J, Boutros PC, Reiter RE. Impact of PSMA PET on Prostate Cancer Management. Curr Treat Options Oncol 2024; 25:191-205. [PMID: 38270802 PMCID: PMC11034977 DOI: 10.1007/s11864-024-01181-9] [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: 01/11/2024] [Indexed: 01/26/2024]
Abstract
OPINION STATEMENT PSMA-PET has been a practice-changing imaging biomarker for the management of men with PCa. Research suggests improved accuracy over conventional imaging and other PET radiotracers in many contexts. With multiple approved PSMA-targeting radiotracers, PSMA PET will become even more available in clinical practice. Its increased use requires an understanding of the prospective data available and caution when extrapolating from prior trial data that utilized other imaging modalities. Future trials leveraging PSMA PET for treatment optimization and management decision-making will ultimately drive its clinical utility.
Collapse
Affiliation(s)
- Adam B Weiner
- Department of Urology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA.
- Institute for Precision Health, University of California-Los Angeles, Los Angeles, CA, USA.
| | - Raag Agrawal
- Institute for Precision Health, University of California-Los Angeles, Los Angeles, CA, USA
- Department of Human Genetics, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
- Jonsson Comprehensive Cancer Center, University of California-Los Angeles, Los Angeles, CA, USA
| | - Luca F Valle
- Department of Radiation Oncology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
- Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA, USA
| | - Ida Sonni
- Department of Radiological Sciences, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
- Department of Clinical and Experimental Medicine, University Magna Graecia, Catanzaro, Italy
| | - Amar U Kishan
- Department of Radiation Oncology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
| | - Matthew B Rettig
- Department of Urology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
- Department of Medicine, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
| | - Steven S Raman
- Department of Radiological Sciences, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
| | - Jeremie Calais
- Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
| | - Paul C Boutros
- Department of Urology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
- Institute for Precision Health, University of California-Los Angeles, Los Angeles, CA, USA
- Department of Human Genetics, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
- Jonsson Comprehensive Cancer Center, University of California-Los Angeles, Los Angeles, CA, USA
| | - Robert E Reiter
- Department of Urology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
- Jonsson Comprehensive Cancer Center, University of California-Los Angeles, Los Angeles, CA, USA
| |
Collapse
|
9
|
Greenwood H, Hassan J, Fife K, Ajithkumar TV, Thippu Jayaprakash K. Single-Fraction Stereotactic Ablative Body Radiotherapy for Primary and Extracranial Oligometastatic Cancers. Clin Oncol (R Coll Radiol) 2023; 35:773-786. [PMID: 37852814 DOI: 10.1016/j.clon.2023.10.049] [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] [Received: 05/26/2023] [Revised: 09/14/2023] [Accepted: 10/04/2023] [Indexed: 10/20/2023]
Abstract
Stereotactic ablative body radiotherapy (SABR) consists of delivering high doses of ionising radiation, typically across three to eight fractions with high precision and conformity. SABR has become increasingly commonplace throughout the last quarter of a century and is offered for the treatment of various primary and metastatic tumour types. Delivering SABR in a single fraction has arisen as an appealing possibility for several reasons. These include fewer hospital visits, greater patient convenience, improved sustainability and lower costs. However, these factors must be balanced against considerations such as toxicity, side-effects and, most importantly, progression-free and overall survival. In this review we seek to analyse the results of studies looking at the efficacy of single-fraction SABR for lung, prostate, renal and pancreas primary tumours, as well as oligometastases. The tumour type to be most widely treated with single-fraction SABR is lung, but its remit continues to expand. We also look at the biological rationale underpinning SABR and how this can be extended to single-fraction regimens. Finally, we turn our attention towards the future directions of SABR and specifically single-fraction regimens. These include the possibility of combining SABR with immunotherapy and technological advances in the field, which could serve to expand the scope of SABR. We conclude by summarising the current clinical studies of single-fraction SABR.
Collapse
Affiliation(s)
- H Greenwood
- School of Clinical Medicine, University of Cambridge, Cambridge, UK
| | - J Hassan
- University College London Medical School, London, UK
| | - K Fife
- Oncology Centre, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - T V Ajithkumar
- Oncology Centre, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - K Thippu Jayaprakash
- Oncology Centre, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK; Department of Oncology, The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust, King's Lynn, UK.
| |
Collapse
|
10
|
Yoshida S, Takahara T, Arita Y, Ito M, Hayakawa S, Oguchi T, Komai Y, Numao N, Yuasa T, Inoue M, Ushijima H, Kudo S, Shimano Y, Nakamura Y, Uchida Y, Uehara S, Tanaka H, Yaegashi H, Izumi K, Yokoyama M, Matsuoka Y, Yoshioka Y, Konishi K, Nakanishi K, Nagahara A, Hirakawa A, Koike R, Koga F, Nishimura K, Mizokami A, Yonese J, Kageyama Y, Yoshimura R, Fujii Y. A phase II randomized trial of metastasis-directed therapy with alpha emitter radium-223 in men with oligometastatic castration-resistant prostate cancer (MEDAL). BMC Urol 2023; 23:33. [PMID: 36879257 PMCID: PMC9987040 DOI: 10.1186/s12894-023-01202-z] [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: 11/23/2021] [Accepted: 02/20/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND The significance of metastasis-directed therapy for oligometastatic prostate cancer has been widely discussed, and targeted therapy for progressive sites is a feasible option as a multidisciplinary treatment for castration-resistant prostate cancer (CRPC). When oligometastatic CRPC with only bone metastases progresses after targeted therapy, it tends to progress as multiple bone metastases. The progression of oligometastatic CRPC after targeted therapy may be due in part to the presence of micrometastatic lesions that, though undetected on imaging, were present prior to targeted therapy. Thus the systemic treatment of micrometastases in combination with targeted therapy for progressive sites is expected to enhance the therapeutic effect. Radium-223 dichloride (radium-223) is a radiopharmaceutical that selectively binds to sites of increased bone turnover and inhibits the growth of adjacent tumor cells by emitting alpha rays. Therefore, for oligometastatic CRPC with only bone metastases, radium-223 may enhance the therapeutic effect of radiotherapy for active metastases. METHODS This phase II, randomized trial of Metastasis-Directed therapy with ALpha emitter radium-223 in men with oligometastatic CRPC (MEDAL) is designed to assess the utility of radium-223 in combination with metastasis-directed radiotherapy in patients with oligometastatic CRPC confined to bone. In this trial, patients with oligometastatic CRPC with three or fewer bone metastases on whole-body MRI with diffusion-weighted MRI (WB-DWI) will be randomized in a 1:1 ratio to receive radiotherapy for active metastases plus radium-223 or radiotherapy for active metastases alone. The prior use of androgen receptor axis-targeted therapy and prostate-specific antigen doubling time will be used as allocation factors. The primary endpoint will be radiological progression-free survival against progression of bone metastases on WB-DWI. DISCUSSION This will be the first randomized trial to evaluate the effect of radium-223 in combination with targeted therapy in oligometastatic CRPC patients. The combination of targeted therapy for macroscopic metastases with radiopharmaceuticals targeting micrometastasis is expected to be a promising new therapeutic strategy for patients with oligometastatic CRPC confined to bone. Trial registration Japan Registry of Clinical Trials (jRCT) (jRCTs031200358); Registered on March 1, 2021, https://jrct.niph.go.jp/latest-detail/jRCTs031200358.
Collapse
Affiliation(s)
- Soichiro Yoshida
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan.
| | - Taro Takahara
- Department of Biomedical Engineering, Tokai University School of Engineering, Kanagawa, Japan.,Department of Radiology, Advanced Imaging Center, Yaesu Clinic, Tokyo, Japan
| | - Yuki Arita
- Department of Radiology, Keio University School of Medicine, Tokyo, Japan
| | - Masaya Ito
- Department of Urology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
| | - Sara Hayakawa
- Department of Radiation Oncology, Department of Radiology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
| | - Tomohiko Oguchi
- Department of Genitourinary Oncology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yoshinobu Komai
- Department of Genitourinary Oncology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Noboru Numao
- Department of Genitourinary Oncology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Takeshi Yuasa
- Department of Genitourinary Oncology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Masaharu Inoue
- Department of Urology, Saitama Cancer Center, Saitama, Japan
| | - Hiroki Ushijima
- Department of Radiation Oncology, Saitama Cancer Center, Saitama, Japan
| | - Shigehiro Kudo
- Department of Radiation Oncology, Saitama Cancer Center, Saitama, Japan
| | - Yasumasa Shimano
- Department of Radiation Oncology, Saitama Cancer Center, Saitama, Japan
| | - Yuki Nakamura
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Yusuke Uchida
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Sho Uehara
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Hajime Tanaka
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Hiroshi Yaegashi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Ishikawa, Japan
| | - Kouji Izumi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Ishikawa, Japan
| | - Minato Yokoyama
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Yoh Matsuoka
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Yasuo Yoshioka
- Radiation Oncology Department, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Koji Konishi
- Department of Radiation Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Katsuyuki Nakanishi
- Department of Diagnostic and Interventional Radiology, Osaka International Cancer Institute, Osaka, Japan
| | - Akira Nagahara
- Department of Urology, Osaka International Cancer Institute, Osaka, Japan
| | - Akihiro Hirakawa
- Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ryuji Koike
- Department of Medical Innovation Promotion Center, Tokyo Medical and Dental University, Tokyo, Japan
| | - Fumitaka Koga
- Department of Urology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
| | - Kazuo Nishimura
- Department of Urology, Osaka International Cancer Institute, Osaka, Japan
| | - Atsushi Mizokami
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Ishikawa, Japan
| | - Junji Yonese
- Department of Genitourinary Oncology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yukio Kageyama
- Department of Urology, Saitama Cancer Center, Saitama, Japan
| | - Ryoichi Yoshimura
- Department of Radiation Therapeutics and Oncology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasuhisa Fujii
- Department of Urology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| |
Collapse
|
11
|
Yoshida S, Takahara T, Arita Y, Toda K, Kimura K, Fujiwara M, Tanaka H, Yokoyama M, Matsuoka Y, Yoshimura R, Fujii Y. Patterns of recurrence in genuine and induced oligometastatic castration-resistant prostate cancer treated with progressive site-directed therapy. Int J Urol 2023; 30:204-210. [PMID: 36314128 DOI: 10.1111/iju.15090] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 10/13/2022] [Indexed: 11/05/2022]
Abstract
OBJECTIVES To describe oncological outcomes after progressive site-directed therapy (PSDT) in genuine and induced oligometasatic (OM)-castration-resistant prostate cancer (CRPC). METHODS Thirty-seven patients with OM-CRPC treated with PSDT were retrospectively analyzed, and oncological outcomes and recurrence patterns on whole-body diffusion-weighted MRI (WB-DWI) were evaluated. RESULTS Twenty-two (59%) were classified as genuine OM-CRPC and 15 (41%) as induced OM-CRPC. A 50% decline in PSA after PSDT was observed in 21 (95%) genuine OM-CRPCs and 7 (47%) induced OM-CRPCs (p = 0.0005). At a median observation period of 7.3 months, median PSA progression-free survival were 10.9 months in the genuine OM-CRPCs and 4.8 months in the induced OM-CRPCs (p = 0.015). Among the patients who developed PSA progression after PSDT, 11 of 15 in the genuine OM-CRPCs (73%) and 11 of 14 in the induced OM-CRPCs (79%) underwent WB-DWI at PSA progression. The median numbers of newly detected metastases were 2 (range: 1-5) in the genuine OM-CRPCs and 4 (range: 1-40) in the induced OM-CRPCs (p = 0.049). Only one new metastasis appeared in 5 patients from the genuine OM-CRPCs (46%) and 1 from the induced OM-CRPCs (9.1%, p = 0.048). In 7 of 9 patients from the genuine OM-CRPCs (78%) and 7 of 8 patients from the induced OM-CRPCs (88%) who had bone metastases alone, the newly detected metastasis limited to the bone. CONCLUSIONS Genuine OM-CRPC had better oncological outcomes after PSDT than induced OM-CRPC, and the number of lesions detected at recurrence was limited. Induced OM-CRPC might be a disseminated condition with micrometastases at OM diagnosis.
Collapse
Affiliation(s)
- Soichiro Yoshida
- Department of Urology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Taro Takahara
- Department of Biomedical Engineering, Tokai University School of Engineering, Kanagawa, Japan.,Department of Radiology, Advanced Imaging Center, Yaesu Clinic, Tokyo, Japan
| | - Yuki Arita
- Department of Diagnostic Radiology, Keio University School of Medicine, Tokyo, Japan
| | - Kazuma Toda
- Department of Radiation Therapeutics and Oncology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Koichiro Kimura
- Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Motohiro Fujiwara
- Department of Urology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hajime Tanaka
- Department of Urology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Minato Yokoyama
- Department of Urology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yoh Matsuoka
- Department of Urology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ryoichi Yoshimura
- Department of Radiation Therapeutics and Oncology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasuhisa Fujii
- Department of Urology, Tokyo Medical and Dental University, Tokyo, Japan
| |
Collapse
|
12
|
Jadvar H, Abreu AL, Ballas LK, Quinn DI. Oligometastatic Prostate Cancer: Current Status and Future Challenges. J Nucl Med 2022; 63:1628-1635. [PMID: 36319116 PMCID: PMC9635685 DOI: 10.2967/jnumed.121.263124] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 07/15/2022] [Indexed: 12/13/2022] Open
Abstract
In accordance with the spectrum theory of metastatic disease, an oligometastatic clinical state has been proposed as an intermediary step along the natural history of cancer with few (typically 1-3) metastatic lesions identifiable on imaging that may be amenable to metastasis-directed therapy. Effective therapy of oligometastatic disease is anticipated to impact cancer evolution by delaying progression and improving patient outcome at a minimal or acceptable cost of toxicity. There has been increasing recognition of oligometastatic disease in prostate cancer with the advent of new-generation imaging agents, most notably the recently approved PET radiotracers based on targeting prostate-specific membrane antigen. Early clinical trials with metastasis-directed therapy of oligometastases have provided evidence for delaying the employment of systematic therapy and improving outcome in selected patients. Despite these encouraging results, much needs to be investigated and learned about the underlying biology of the oligometastatic state along the evolutionary clinical course of prostate cancer, the identification of relevant imaging and nonimaging predictive and prognostic biomarkers, and the development of treatment strategies to optimize short-term and long-term patient outcome. We provide a review of the current status and the lingering challenges of this rapidly evolving clinical space in prostate cancer.
Collapse
Affiliation(s)
- Hossein Jadvar
- Department of Radiology, Kenneth J. Norris, Jr., Comprehensive Cancer Center, USC Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Andre Luis Abreu
- Institute of Urology, Kenneth J. Norris, Jr., Comprehensive Cancer Center, USC Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Leslie K. Ballas
- Department of Radiation Oncology, Kenneth J. Norris, Jr., Comprehensive Cancer Center, USC Keck School of Medicine, University of Southern California, Los Angeles, California; and
| | - David I. Quinn
- Division of Cancer Medicine, Department of Medicine, Kenneth J. Norris, Jr., Comprehensive Cancer Center, USC Keck School of Medicine, University of Southern California, Los Angeles, California
| |
Collapse
|
13
|
Deek MP, Van der Eecken K, Sutera P, Deek RA, Fonteyne V, Mendes AA, Decaestecker K, Kiess AP, Lumen N, Phillips R, De Bruycker A, Mishra M, Rana Z, Molitoris J, Lambert B, Delrue L, Wang H, Lowe K, Verbeke S, Van Dorpe J, Bultijnck R, Villeirs G, De Man K, Ameye F, Song DY, DeWeese T, Paller CJ, Feng FY, Wyatt A, Pienta KJ, Diehn M, Bentzen SM, Joniau S, Vanhaverbeke F, De Meerleer G, Antonarakis ES, Lotan TL, Berlin A, Siva S, Ost P, Tran PT. Long-Term Outcomes and Genetic Predictors of Response to Metastasis-Directed Therapy Versus Observation in Oligometastatic Prostate Cancer: Analysis of STOMP and ORIOLE Trials. J Clin Oncol 2022; 40:3377-3382. [PMID: 36001857 PMCID: PMC10166371 DOI: 10.1200/jco.22.00644] [Citation(s) in RCA: 86] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/02/2022] [Accepted: 07/21/2022] [Indexed: 11/20/2022] Open
Abstract
Clinical trials frequently include multiple end points that mature at different times. The initial report, typically based on the primary end point, may be published when key planned co-primary or secondary analyses are not yet available. Clinical Trial Updates provide an opportunity to disseminate additional results from studies, published in JCO or elsewhere, for which the primary end point has already been reported.The initial STOMP and ORIOLE trial reports suggested that metastasis-directed therapy (MDT) in oligometastatic castration-sensitive prostate cancer (omCSPC) was associated with improved treatment outcomes. Here, we present long-term outcomes of MDT in omCSPC by pooling STOMP and ORIOLE and assess the ability of a high-risk mutational signature to risk stratify outcomes after MDT. The primary end point was progression-free survival (PFS) calculated using the Kaplan-Meier method. High-risk mutations were defined as pathogenic somatic mutations within ATM, BRCA1/2, Rb1, or TP53. The median follow-up for the whole group was 52.5 months. Median PFS was prolonged with MDT compared with observation (pooled hazard ratio [HR], 0.44; 95% CI, 0.29 to 0.66; P value < .001), with the largest benefit of MDT in patients with a high-risk mutation (HR high-risk, 0.05; HR no high-risk, 0.42; P value for interaction: .12). Within the MDT cohort, the PFS was 13.4 months in those without a high-risk mutation, compared with 7.5 months in those with a high-risk mutation (HR, 0.53; 95% CI, 0.25 to 1.11; P = .09). Long-term outcomes from the only two randomized trials in omCSPC suggest a sustained clinical benefit to MDT over observation. A high-risk mutational signature may help risk stratify treatment outcomes after MDT.
Collapse
Affiliation(s)
- Matthew P. Deek
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Kim Van der Eecken
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium
| | - Philip Sutera
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Rebecca A. Deek
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Valérie Fonteyne
- Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
| | - Adrianna A. Mendes
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD
| | | | - Ana Ponce Kiess
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Nicolaas Lumen
- Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
| | - Ryan Phillips
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN
| | | | - Mark Mishra
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Zaker Rana
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Jason Molitoris
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Bieke Lambert
- Department of Radiology and Nuclear Medicine, Ghent University, and Department of Nuclear Medicine, AZ Maria-Middelares Ghent, Belgium
| | - Louke Delrue
- Department of Radiology, Ghent University Hospital, Ghent, Belgium
| | - Hailun Wang
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Kathryn Lowe
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Sofie Verbeke
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Jo Van Dorpe
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Renée Bultijnck
- Department of Urology, Ghent University Hospital, Ghent, Belgium
| | - Geert Villeirs
- Department of Radiology and Nuclear Medicine, Ghent University, and Department of Nuclear Medicine, AZ Maria-Middelares Ghent, Belgium
| | - Kathia De Man
- Department of Nuclear Medicine, Ghent University Hospital, Ghent, Belgium
| | - Filip Ameye
- Department of Urology, AZ Maria-Middelares Ghent, Ghent, Belgium
| | - Daniel Y. Song
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Theodore DeWeese
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Channing J. Paller
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Felix Y. Feng
- Departments of Medicine, Urology and Radiation Oncology, UCSF, San Francisco, CA
| | - Alexander Wyatt
- Department of Urologic Sciences, University of British Columbia, and Vancouver Prostate Centre, Vancouver, Canada
| | - Kenneth J. Pienta
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD
| | - Maximillian Diehn
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA
| | - Soren M. Bentzen
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
- Department of Epidemiology & Public Health, University of Maryland School of Medicine, Baltimore, MD
| | - Steven Joniau
- Department of Urology, Catholic University Leuven, Leuven, Belgium
| | | | - Gert De Meerleer
- Department of Radiation Oncology, Catholic University Leuven, Leuven, Belgium
| | | | - Tamara L. Lotan
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Alejandro Berlin
- Department of Radiation Oncology, Princess Margaret Cancer Center, Toronto, Canada
| | - Shankar Siva
- Department of Radiation Oncology, Peter MacCallum Cancer Center, Melbourne Australia
| | - Piet Ost
- Department of Radiation Oncology, Iridium Network, Antwerp, Belgium
- Department of Human Structure and Repair, Ghent University, Ghent, Belgium
| | - Phuoc T. Tran
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD
| |
Collapse
|
14
|
Malara N, Kovacs G, Bussu F, Ferrazzo T, Garo V, Raso C, Cornacchione P, Iezzi R, Tagliaferri L. Liquid Biopsy-Guided Interventional Oncology: A Proof of Concept with a Special Focus on Radiotherapy and Radiology. Cancers (Basel) 2022; 14:4676. [PMID: 36230601 PMCID: PMC9562702 DOI: 10.3390/cancers14194676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/16/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022] Open
Abstract
Although the role of liquid biopsy (LB) to measure minimal residual disease (MRD) in the treatment of epithelial cancer is well known, the biology of the change in the availability of circulating biomarkers arising throughout treatments such as radiotherapy and interventional radio-oncology is less explained. Deep knowledge of how therapeutic effects can influence the biology of the release mechanism at the base of the biomarkers available in the bloodstream is needed for selecting the appropriate treatment-induced tumor circulating biomarker. Combining existing progress in the LB and interventional oncology (IO) fields, a proof of concept is provided, discussing the advantages of the traditional risk assessment of relapsing lesions, limitations, and the timing of detection of the circulating biomarker. The current review aims to help both interventional radiologists and interventional radiation oncologists evaluate the possibility of drawing a tailor-made board of blood-based surveillance markers to reveal subclinical diseases and avoid overtreatment.
Collapse
Affiliation(s)
- Natalia Malara
- Department of Health Sciences, University Magna Grecia, 88100 Catanzaro, Italy
- Nanotechnology Research Center, University Magna Grecia, 88100 Catanzaro, Italy
| | - György Kovacs
- Gemelli-INTERACTS, Università Cattolica del Sacro Cuore, 88168 Rome, Italy
| | - Francesco Bussu
- Department of Medical Surgical and Experimental Sciences, Sassari University, 07100 Sassari, Italy
| | - Teresa Ferrazzo
- Department of Health Sciences, University Magna Grecia, 88100 Catanzaro, Italy
| | - Virginia Garo
- Department of Health Sciences, University Magna Grecia, 88100 Catanzaro, Italy
| | - Cinzia Raso
- Department of Health Sciences, University Magna Grecia, 88100 Catanzaro, Italy
| | - Patrizia Cornacchione
- UOC Radioterapia Oncologica, Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, 88168 Rome, Italy
| | - Roberto Iezzi
- UOC di Radiologia, Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, 88168 Rome, Italy
| | - Luca Tagliaferri
- UOC Radioterapia Oncologica, Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, 88168 Rome, Italy
| |
Collapse
|
15
|
Galgano SJ, McDonald AM, West JT, Rais-Bahrami S. Defining Oligometastatic Disease in the New Era of PSMA-PET Imaging for Primary Staging of Prostate Cancer. Cancers (Basel) 2022; 14:cancers14143302. [PMID: 35884362 PMCID: PMC9313368 DOI: 10.3390/cancers14143302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/28/2022] [Accepted: 06/29/2022] [Indexed: 11/16/2022] Open
Abstract
Oligometastatic prostate cancer has traditionally been defined in the literature as a limited number of metastatic lesions (either to soft tissue or bone), typically based on findings seen on CT, MRI, and skeletal scintigraphy. Although definitions have varied among research studies, many important clinical trials have documented effective treatments and prognostication in patients with oligometastatic prostate cancer. In current clinical practice, prostate-specific membrane antigen (PSMA)-PET/CT is increasingly utilized for the initial staging of high-risk patients and, in many cases, detecting metastases that would have otherwise been undetected with conventional staging imaging. Thus, patients with presumed localized and/or oligometastatic prostate cancer undergo stage migration based on more novel molecular imaging. As a result, it is challenging to apply the data from the era before widespread PET utilization to current clinical practice and to relate current trials using PSMA-PET/CT for disease detection to older studies using conventional staging imaging alone. This manuscript aims to review the definition of oligometastatic prostate cancer, summarize important studies utilizing both PSMA-PET/CT and conventional anatomic imaging, discuss the concept of stage migration, and discuss current problems and challenges with the current definition of oligometastatic disease.
Collapse
Affiliation(s)
- Samuel J. Galgano
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (S.J.G.); (J.T.W.)
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Andrew M. McDonald
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Department of Radiation Oncology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Janelle T. West
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (S.J.G.); (J.T.W.)
| | - Soroush Rais-Bahrami
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (S.J.G.); (J.T.W.)
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Department of Urology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Correspondence:
| |
Collapse
|
16
|
Marvaso G, Volpe S, Pepa M, Zaffaroni M, Corrao G, Augugliaro M, Nolè F, De Cobelli O, Jereczek-Fossa BA. Recent Advances in the Management of Hormone-Sensitive Oligometastatic Prostate Cancer. Cancer Manag Res 2022; 14:89-101. [PMID: 35023972 PMCID: PMC8747627 DOI: 10.2147/cmar.s321136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/08/2021] [Indexed: 12/11/2022] Open
Abstract
After primary treatment for prostate cancer with either radical prostatectomy or radiotherapy, a significant proportion of patients are at risk of developing metastases. In recent years, a deeper understanding of the underlying biology together with improved imaging techniques and the advent of new therapeutic options including metastases-directed therapies and new drugs have revolutionized the management of low-burden metastatic disease, also known as oligometastatic state. The purpose of this narrative review is to report the recent developments in the management of hormone-sensitive oligometastatic prostate cancer patients.
Collapse
Affiliation(s)
- Giulia Marvaso
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Stefania Volpe
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Matteo Pepa
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Mattia Zaffaroni
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Giulia Corrao
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Matteo Augugliaro
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Franco Nolè
- Medical Oncology Division of Urogenital & Head & Neck Tumors, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Ottavio De Cobelli
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy.,Department of Urology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Barbara Alicja Jereczek-Fossa
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| |
Collapse
|
17
|
King AP, Lin FI, Escorcia FE. Why bother with alpha particles? Eur J Nucl Med Mol Imaging 2021; 49:7-17. [PMID: 34175980 DOI: 10.1007/s00259-021-05431-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/24/2021] [Indexed: 12/23/2022]
Abstract
The approval of 223RaCl2 for cancer therapy in 2013 has heralded a resurgence of interest in the development of α-particle emitting radiopharmaceuticals. In the last decade, over a dozen α-emitting radiopharmaceuticals have entered clinical trials, spawned by strong preclinical studies. In this article, we explore the potential role of α-particle therapy in cancer treatment. We begin by providing a background for the basic principles of therapy with α-emitters, and we explore recent breakthroughs in therapy with α-emitting radionuclides, including conjugates with small molecules and antibodies. Finally, we discuss some outstanding challenges to the clinical adoption of α-therapies and potential strategies to address them.
Collapse
Affiliation(s)
- A Paden King
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20817, USA
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20817, USA
| | - Frank I Lin
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20817, USA
| | - Freddy E Escorcia
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20817, USA.
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20817, USA.
| |
Collapse
|
18
|
Abbott EM, Falzone N, Lenzo N, Vallis KA. Combining External Beam Radiation and Radionuclide Therapies: Rationale, Radiobiology, Results and Roadblocks. Clin Oncol (R Coll Radiol) 2021; 33:735-743. [PMID: 34544640 DOI: 10.1016/j.clon.2021.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/30/2021] [Accepted: 09/03/2021] [Indexed: 12/29/2022]
Abstract
The emergence of effective radionuclide therapeutics, such as radium-223 dichloride, [177Lu]Lu-DOTA-TATE and [177Lu]Lu-PSMA ligands, over the last 10 years is driving a rapid expansion in molecular radiotherapy (MRT) research. Clinical trials that are underway will help to define optimal dosing protocols and identify groups of patients who are likely to benefit from this form of treatment. Clinical investigations are also being conducted to combine new MRT agents with other anticancer drugs, with particular emphasis on DNA repair inhibitors and immunotherapeutics. In this review, the case is presented for combining MRT with external beam radiotherapy (EBRT). The technical and dosimetric challenges of combining two radiotherapeutic modalities have impeded progress in the past. However, the need for research into the specific radiobiological effects of radionuclide therapy, which has lagged behind that for EBRT, has been recognised. This, together with innovations in imaging technology, MRT dosimetry tools and EBRT hardware, will facilitate the future use of this important combination of treatments.
Collapse
Affiliation(s)
- E M Abbott
- MIM Software Inc., Cleveland, Ohio, USA.
| | - N Falzone
- GenesisCare, Alexandria, New South Wales, Australia.
| | - N Lenzo
- GenesisCare Theranostics, St John of God Murdoch Cancer Centre, Murdoch, Western Australia, Australia; Department of Medicine, Notre Dame University Australia, Fremantle, Western Australia, Australia
| | - K A Vallis
- Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK.
| |
Collapse
|
19
|
Abstract
Oligometastatic disease was originally defined by Hellman and Weichselbaum as an intermediate-state existing between locally confined and widely disseminated malignancy, whose natural history could be positively impacted with systemic and importantly local therapies such as radiation. Currently oligometastatic prostate cancer (OPCa) is defined clinically by lesion enumeration and several subgroups exist: de novo (synchronous) oligometastatic disease present at initial diagnosis, oligorecurrent (metachronous) disease arising after definitive therapy to the prostate, and oligoprogressive disease where isolated lesions progress in a background of otherwise stable disease. In this review we highlight current knowledge and the potential future of local therapies, such as radiation to the primary prostate and metastasis-directed therapy (MDT), in the disease management of OPCa for all 3 subgroups. In addition, we examine more recent studies classifying the patterns of failure and natural history of OPCa following treatment with local therapies. Finally, while current clinical definitions of OPCa dominate, we introduce studies attempting to elucidate a more biological definition of OPCa to allow for improved selection of patients to treat with local therapies and to better inform precision combination approaches with systemic therapy.
Collapse
|
20
|
Role of 18F-Fluciclovine and Prostate-Specific Membrane Antigen PET/CT in Guiding Management of Oligometastatic Prostate Cancer: AJR Expert Panel Narrative Review. AJR Am J Roentgenol 2021; 216:851-859. [PMID: 33206564 DOI: 10.2214/ajr.20.24711] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Twenty-five years ago, oligometastatic disease was proposed as an intermediary clinical state of cancer with unique implications for therapies that may impact cancer evolution and patient outcome. Identification of limited metastases that are potentially amenable to targeted therapies fundamentally depends on the sensitivity of diagnostic tools, including new-generation imaging methods. For men with biochemical recurrence after definitive therapy of the primary prostate cancer, PET/CT using either the FDA-approved radiolabeled amino acid analogue 18F-fluciclovine or investigational radiolabeled agents targeting prostate-specific membrane antigen (PSMA) enables identification of early metastases at lower serum PSA levels than was previously feasible using conventional imaging. Evidence supports PSMA PET/CT as the most sensitive imaging modality available for identifying disease sites in oligometastatic prostate cancer. PSMA PET/CT will likely become the modality of choice after regulatory approval and will drive the development of trials of emerging metastasis-directed therapies such as stereotactic ablative body radiation and radioguided surgery. Indeed, numerous ongoing or planned clinical trials are studying advances in management of oligometastatic prostate cancer based on this heightened diagnostic capacity. In this rapidly evolving clinical environment, radiologists and nuclear medicine physicians will play major roles in facilitating clinical decision making and management of patients with oligometastatic prostate cancer.
Collapse
|
21
|
Patterns of Recurrence and Modes of Progression After Metastasis-Directed Therapy in Oligometastatic Castration-Sensitive Prostate Cancer. Int J Radiat Oncol Biol Phys 2020; 109:387-395. [PMID: 32798608 PMCID: PMC7856169 DOI: 10.1016/j.ijrobp.2020.08.030] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/04/2020] [Accepted: 08/10/2020] [Indexed: 12/18/2022]
Abstract
Purpose: Metastasis-directed therapy (MDT) is increasingly used in castration-sensitive oligometastatic prostate cancer because it prolongs progression-free survival (PFS) and androgen deprivation free survival. Here we describe patterns of recurrence and identify modes of progression after MDT using SABR. Methods and Materials: Two hundred fifty-eight patients with castration-sensitive oligometastatic prostate cancer (≤5 lesions at staging) were retrospectively identified from a multi-institutional database. Descriptive patterns of recurrence and modes of progression were reported. Other outcomes including median time to prostate-specific antigen (PSA) recurrence, time to next intervention, distant metastasis–free survival, overall survival, and biochemical PFS (bPFS) were reported. Survival analysis was performed using the Kaplan-Meier method, and multivariable analysis was performed. Results: Median follow-up was 25.2 months, and 50.4% of patients received concurrent androgen deprivation. Median time to PSA recurrence was 15.7 months, time to next intervention was 28.6 months, distant metastasis–free survival was 19.1 months, and bPFS was 16.1 months. Two-year overall survival was 96.8%. On multivariable analysis, factors associated with bPFS included age (hazard ratio [HR], 1.03; P = .04), N1 disease at diagnosis (HR, 2.00; P = .02), M1 disease at diagnosis (HR, 0.44; P = .01), initial PSA at diagnosis (HR, 1.002; P = <.001), use of androgen deprivation therapy (HR, 0.41; P < .001), pre-SABR PSA (HR, 1.02; P = .01), and use of enhanced imaging for staging (HR, 2.81; P = .001). Patterns of progression favored an osseous component at recurrence; in patients initially treated to a bone lesion alone, the vast majority (86.5%) experienced a recurrence that included an osseous site. Patients treated initially to a nodal site alone tended to recur in a node only (64.5%); however, there was also a significant minority with an osseous component of recurrence at progression (32.3%). Modes of progressors were class I (patients with long term control [no recurrence ≥18 months after therapy]) occurring in 40.9%, class II (oligoprogressors [≤3 lesions at recurrence]) occurring in 36% (including 7.9% of patients with PSA recurrence but no metastatic disease), and class III (polyprogressors [>3 lesions]) occurring in 23.1% of patients. Conclusions: After MDT, the majority of patients have long-term control or oligoprogression (class I or II). Recurrence tended to occur in osseous sites. These findings, if validated, have implications for future integration of MDT and clinical trial design.
Collapse
|