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Cortes-Mejia NA, Lillemoe HA, Cata JP. Return to Intended Oncological Therapy: State of the Art and Perspectives. Curr Oncol Rep 2024:10.1007/s11912-024-01594-7. [PMID: 39320576 DOI: 10.1007/s11912-024-01594-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/06/2024] [Indexed: 09/26/2024]
Abstract
PURPOSE OF THE REVIEW Despite advances in surgical procedures, cancer recurrence still affects a substantial proportion of patients for whom surgery is considered a curative therapy. This review aims to provide a comprehensive overview of RIOT, addressing its definition, influencing factors, and clinical implications. FINDINGS RIOT can be defined as a continuous variable as the time from surgery to initiation of adjuvant therapies or categorically as whether patients can successfully receive adjuvant therapies or not. Factors influencing RIOT are age, sex, socioeconomic status, access to healthcare, physical performance and comorbidities, and quality of anesthesia and surgical care. Adjuvant therapies such as chemotherapy, radiotherapy, and immunotherapy are often administered to reduce the risk of recurrence after surgery and improve survival. Return to intended oncologic therapy (RIOT) has emerged as a promising outcome metric reflecting patients' functional recovery after surgery and their ability to receive adjuvant therapies.
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Affiliation(s)
- Nicolas A Cortes-Mejia
- Department of Anesthesiology and Perioperative Medicine, The University of Texas - MD Anderson Cancer Center, Houston, TX, USA
- Anesthesiology and Surgical Oncology Research Group, Houston, TX, USA
| | - Heather A Lillemoe
- Department of Breast Surgical Oncology, The University of Texas - MD Anderson Cancer Center, Houston, TX, USA
- Department of Surgical Oncology, The University of Texas - MD Anderson Cancer Center, Houston, TX, USA
| | - Juan P Cata
- Department of Anesthesiology and Perioperative Medicine, The University of Texas - MD Anderson Cancer Center, Houston, TX, USA.
- Anesthesiology and Surgical Oncology Research Group, Houston, TX, USA.
- Department of Pain Medicine, The University of Texas - MD Anderson Cancer Center, Houston, TX, USA.
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Matsumoto K, Kosaka T, Takeda T, Fukumoto K, Yasumizu Y, Tanaka N, Morita S, Mizuno R, Asanuma H, Oya M. Appropriate definition of non-metastatic castration-resistant prostate cancer (nmCRPC) and optimal timing of androgen receptor signaling inhibitor (ARSI). Int J Clin Oncol 2024; 29:1198-1203. [PMID: 38856798 PMCID: PMC11272721 DOI: 10.1007/s10147-024-02549-5] [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: 01/31/2024] [Accepted: 05/06/2024] [Indexed: 06/11/2024]
Abstract
BACKGROUND Defined by rising PSA levels under androgen deprivation therapy (ADT) despite no visible metastases on conventional imaging, non-metastatic castration-resistant prostate cancer (nmCRPC) represents a complex clinical challenge. A significant subset of these patients rapidly develops metastatic disease, negatively impacting survival. We examined the difference in prognosis of nmCRPC patients according to the timing of therapeutic interventions with androgen receptor signaling inhibitor (ARSI). METHODS We examined 102 nmCRPC patients treated with ARSI. We divided patients according to their PSA levels when ARSI was administered: Cohort A (PSA 0.5-2.0 ng/mL), Cohort B (PSA 2.0-4.0 ng/mL), and Cohort C (PSA > 4.0 ng/mL). Utilizing the Kaplan-Meier method for survival analysis, our analytical starting point was the moment when PSA levels exceeded 0.5 ng/mL post-ADT nadir, ensuring a fair comparison and minimizing lead-time bias. RESULTS After excluding 5 patients whose PSA nadir after ADT > 0.5 ng/mL, patient distribution across Cohort A, Cohort B, and Cohort C was 32, 24, and 41 patients, respectively. Kaplan-Meier survival analysis highlighted a 2-year metastasis-free survival rate of 97% for Cohort A, 87% for Cohort B, and 73% for Cohort C. A marked statistical difference emerged when comparing Cohort A with Cohorts B and C, with a p-value of 0.043. CONCLUSION The timely initiation of ARSI is paramount in nmCRPC management. Our findings strongly advocate for consideration of ARSI administration in nmCRPC patients before their PSA levels exceed 2.0 ng/mL. Our results indicated a PSA threshold of 1.0 ng/mL for nmCRPC definition which is more reasonable to administer ARSI without delay.
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Affiliation(s)
- Kazuhiro Matsumoto
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Takeo Kosaka
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan.
| | - Toshikazu Takeda
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Keishiro Fukumoto
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Yota Yasumizu
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Nobuyuki Tanaka
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Shinya Morita
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Ryuichi Mizuno
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Hiroshi Asanuma
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Mototsugu Oya
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
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Chung Y, Song SH, Lee H, Park JH, Hong SK. Association between preradiation therapy prostate-specific antigen levels and radiation therapy failure after prostatectomy: a propensity score matched analysis. Prostate Int 2024; 12:90-95. [PMID: 39036762 PMCID: PMC11255891 DOI: 10.1016/j.prnil.2024.03.001] [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: 12/18/2023] [Revised: 02/29/2024] [Accepted: 03/07/2024] [Indexed: 07/23/2024] Open
Abstract
Purpose We sought to determine the association between the pre-radiation therapy prostate-specific antigen (pre-RT PSA) 0.5 and RT failure in post-radical prostatectomy (post-RP) patients. Our study also investigated the prognostic factors for the failure of RT given concurrently with hormone therapy (HT) after RP. Materials and methods We retrospectively reviewed our institutional RP data from July 2004 to November 2021. Patients without concurrent hormone therapy were excluded. Propensity score matching was performed. Kaplan-Meier (KM) curve analysis was employed for RT failure-free survival, overall survival (OS), and cancer-specific survival (CSS). Cox regression analysis was used for the RT failure hazard ratio (HR). Results After propensity score matching, 193 patients were assigned to the pre-RT PSA ≥0.5 (high-P) arm, and 193 patients were assigned to the pre-RT PSA <0.5 (low-P) arm. There were no significant differences between the two arms after propensity score matching in terms of baseline characteristics and pathologic outcomes. High-P was associated with RT failure-free survival (P = 0.004), OS (P = 0.046), and CSS (P = 0.027). In a multi-variable Cox proportional hazards regression analysis, seminal vesicle invasion, lymph node invasion, the absence of prostatic intraepithelial neoplasia (PIN), and high-P were identified as significant risk factors for RT failure. Conclusion High-P was significantly unfavorable with RT failure-free survival, OS, and CSS in patients who underwent RT after radical prostatectomy with concurrent HT. Seminal vesicle invasion, lymph node invasion, and the absence of PIN were identified as significant prognostic factors for RT failure.
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Affiliation(s)
- Younsoo Chung
- Department of Urology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sang Hun Song
- Department of Urology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hakmin Lee
- Department of Urology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Jong Ho Park
- Department of Urology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sung Kyu Hong
- Department of Urology, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Urology, Seoul National University College of Medicine, Seoul, Korea
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Ah-Thiane L, Campion L, Allouache N, Meyer E, Pommier P, Mesgouez-Nebout N, Serre AA, Créhange G, Guimas V, Rio E, Sargos P, Ladoire S, Mahier Ait Oukhatar C, Supiot S. Combination of Abiraterone Acetate, Prostate Bed Radiotherapy, and Luteinizing Hormone-releasing Hormone Agonists in Biochemically Relapsing Patients After Prostatectomy (CARLHA): A Phase 2 Clinical Trial. Eur Urol Oncol 2024:S2588-9311(24)00108-1. [PMID: 38734543 DOI: 10.1016/j.euo.2024.04.014] [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: 02/12/2024] [Revised: 03/26/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024]
Abstract
BACKGROUND The relevance of next-generation hormone therapies and circulating tumor cells (CTCs) are not elucidated in biochemical recurrence after prostatectomy. OBJECTIVE To evaluate the combination of abiraterone acetate plus prednisone (AAP), prostate bed radiotherapy (PBRT), and goserelin in biochemically relapsing men after prostatectomy, and to investigate the utility of CTCs. DESIGN, SETTING, AND PARTICIPANTS In this single-arm multicenter phase 2 trial, 46 biochemically relapsing men were enrolled between December 2012 and January 2019. The median follow-up was 47 mo. INTERVENTION All patients received AAP 1000 mg daily (but 750 mg during PBRT), salvage PBRT, and goserelin. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS The primary outcome was 3-yr biochemical recurrence-free survival (bRFS) when prostate-specific antigen (PSA) levels were ≥0.2 ng/ml. The secondary outcomes included alternative bRFS (alt-bRFS) when PSA levels were ≥0.5 ng/ml and safety assessment. CTC count was assessed. RESULTS AND LIMITATIONS The 3-yr bRFS and alt-bRFS were 81.5% (95% confidence interval or CI [66.4-90.3%]) and 95.6% (95% CI [83.5-98.9%]), respectively. The most common acute radiotherapy-related adverse effect (AE; all grades was pollakiuria (41.3%). The most common late AE (all grades) was urinary incontinence (15.2%). Grade 3-4 acute or late radiotherapy-related AEs were scarce. Most frequent AEs nonrelated to radiotherapy were hot flashes (76%), hypertension (63%), and hepatic cytolysis (50%, of which 20% were of grades 3-4). Of the patients, 11% had a CTC count of ≥5, which was correlated with poorer bRFS (p = 0.042) and alt-bRFS (p = 0.008). The association between CTC count and higher rates of relapse was independent of the baseline PSA level and PSA doubling time (p = 0.42 and p = 0.09, respectively). This study was nonrandomized with a limited number of patients, and few clinical events were reported. CONCLUSIONS Adding AAP to salvage radiation therapy and goserelin resulted in high bRFS and alt-bRFS. AEs remained manageable, although a close liver surveillance is advised. CTC count appears as a promising biomarker for prognosis and predicting response to treatment. PATIENT SUMMARY Our study was a phase 2 clinical trial that exhibited the efficacy and tolerance of a novel androgen-receptor targeting agent (abiraterone acetate plus prednisone) in patients with prostate cancer who experienced rising prostate-specific antigen after radical prostatectomy, in combination with prostate bed radiotherapy. The results also indicated the feasibility and potential value of circulating tumor cell detection, which constitutes a possible advance in managing prostate cancers.
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Affiliation(s)
- Loic Ah-Thiane
- Department of Radiotherapy, ICO Rene Gauducheau, St-Herblain, France
| | - Loic Campion
- Department of Biostatistics, ICO Rene Gauducheau, St-Herblain, France
| | - Nedjla Allouache
- Department of Radiotherapy, Francois Baclesse Center, Caen, France
| | - Emmanuel Meyer
- Department of Radiotherapy, Francois Baclesse Center, Caen, France
| | - Pascal Pommier
- Department of Radiotherapy, Leon Berard Center, Lyon, France
| | | | | | - Gilles Créhange
- Department of Radiotherapy, Georges Francois Leclerc Center, Dijon, France
| | - Valentine Guimas
- Department of Radiotherapy, ICO Rene Gauducheau, St-Herblain, France
| | - Emmanuel Rio
- Department of Radiotherapy, ICO Rene Gauducheau, St-Herblain, France
| | - Paul Sargos
- Department of Radiotherapy, Bergonie Institute, Bordeaux, France
| | - Sylvain Ladoire
- Department of Radiotherapy, Georges Francois Leclerc Center, Dijon, France
| | | | - Stéphane Supiot
- Department of Radiotherapy, ICO Rene Gauducheau, St-Herblain, France; Inserm UMR1232, CNRS ERL 6001, Nantes University, Nantes, France.
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von Eyben FE, Kairemo K, Kapp DS. Prostate-Specific Antigen as an Ultrasensitive Biomarker for Patients with Early Recurrent Prostate Cancer: How Low Shall We Go? A Systematic Review. Biomedicines 2024; 12:822. [PMID: 38672176 PMCID: PMC11048591 DOI: 10.3390/biomedicines12040822] [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: 09/15/2023] [Revised: 12/25/2023] [Accepted: 03/05/2024] [Indexed: 04/28/2024] Open
Abstract
Serum prostate-specific antigen (PSA) needs to be monitored with ultrasensitive PSA assays (uPSAs) for oncologists to be able to start salvage radiotherapy (SRT) while PSA is <0.5 µg/L for patients with prostate cancer (PCa) relapsing after a radical prostatectomy (RP). Our systematic review (SR) aimed to summarize uPSAs for patients with localized PCa. The SR was registered as InPLASY2023110084. We searched for studies on Google Scholar, PUBMED and reference lists of reviews and studies. We only included studies on uPSAs published in English and excluded studies of women, animals, sarcoidosis and reviews. Of the 115 included studies, 39 reported PSA assay methods and 76 reported clinical findings. Of 67,479 patients, 14,965 developed PSA recurrence (PSAR) and 2663 died. Extremely low PSA nadir and early developments of PSA separated PSAR-prone from non-PSAR-prone patients (cumulative p value 3.7 × 1012). RP patients with the lowest post-surgery PSA nadir and patients who had the lowest PSA at SRT had the fewest deaths. In conclusion, PSA for patients with localized PCa in the pre-PSAR phase of PCa is strongly associated with later PSAR and survival. A rising but still exceedingly low PSA at SRT predicts a good 5-year overall survival.
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Affiliation(s)
| | - Kalevi Kairemo
- Department of Molecular Radiotherapy & Nuclear Medicine, Docrates Cancer Center, FI-00185 Helsinki, Finland;
| | - Daniel S. Kapp
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
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Matsumoto K. Editorial Comment to Validation of schedules for optimal PSA monitoring after radical prostatectomy. Int J Urol 2024; 31:408-409. [PMID: 38229417 DOI: 10.1111/iju.15397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Affiliation(s)
- Kazuhiro Matsumoto
- Department of Urology, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
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Blas L, Shiota M, Tanegashima T, Tsukahara S, Ueda S, Mutaguchi J, Goto S, Kobayashi S, Matsumoto T, Inokuchi J, Eto M. Validation of schedules for optimal prostate-specific antigen monitoring after radical prostatectomy. Int J Urol 2024; 31:404-408. [PMID: 38154806 DOI: 10.1111/iju.15379] [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: 10/27/2023] [Accepted: 12/14/2023] [Indexed: 12/30/2023]
Abstract
BACKGROUND Early detection of biochemical recurrence (BCR) after radical prostatectomy (RP) is crucial for early treatment and improving survival outcomes. The optimal prostate-specific antigen (PSA) monitoring remains unclear, and several models have been proposed. We aimed to externally validate four models for optimal PSA monitoring after RP and propose modifications to improve them. METHODS We reviewed the clinicopathological data of 896 patients who underwent robot-assisted RP between 2009 and 2022. We examined all PSA values and estimated the PSA value for four monitoring schedules at each time point in the virtual follow-up. We defined the ideal PSA for BCR detection between 0.2 and 0.4 ng/mL. RESULTS During the median follow-up of 21.4 months, 128 (14.3%) patients presented BCR. The original and modified Keio models, National Cancer Center Hospital model, and American Urological Association/American Society for Radiation Oncology model detected BCR in 14 (10.9%), three (2.3%), 12 (9.4%), and 11 (8.6%) patients with PSA >0.4 ng/mL. Most patients experienced BCR detected with PSA >0.4 ng/mL during the first year postoperative. The modification of interval within 6 months postoperative avoided BCR detection with PSA >0.4 ng/mL within the first year postoperative in 8/9 (88.9%), 1/2 (50.0%), 5/6 (83.3%), and 4/4 (100%) for the original and modified Keio models, National Cancer Center Hospital model, and American Urological Association/American Society for Radiation Oncology model, respectively. CONCLUSION We validated four models for PSA monitoring after RP to detect BCR and suggested modifications to avoid detections out of the desired range of PSA. These modifications could help to establish an optimal PSA monitoring schedule after RP.
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Affiliation(s)
- Leandro Blas
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masaki Shiota
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tokiyoshi Tanegashima
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shigehiro Tsukahara
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shohei Ueda
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Jun Mutaguchi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shunsuke Goto
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Satoshi Kobayashi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takashi Matsumoto
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Junichi Inokuchi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masatoshi Eto
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Sciarra A, Santarelli V, Salciccia S, Moriconi M, Basile G, Santodirocco L, Carino D, Frisenda M, Di Pierro G, Del Giudice F, Gentilucci A, Bevilacqua G. How the Management of Biochemical Recurrence in Prostate Cancer Will Be Modified by the Concept of Anticipation and Incrementation of Therapy. Cancers (Basel) 2024; 16:764. [PMID: 38398155 PMCID: PMC10886975 DOI: 10.3390/cancers16040764] [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: 01/02/2024] [Revised: 02/06/2024] [Accepted: 02/10/2024] [Indexed: 02/25/2024] Open
Abstract
Biochemical recurrence (BCR) after primary treatments for prostate cancer (PC) is an extremely heterogeneous phase and at least a stratification into low- and high-risk cases for early progression in metastatic disease is necessary. At present, PSA-DT represents the best parameter to define low- and high-risk BCR PC, but real precision medicine is strongly suggested to define tailored management for patients with BCR. Before defining management, it is necessary to exclude the presence of low-volume metastasis associated with PSA progression using new-generation imaging, preferably with PSMA PET/CT. Low-risk BCR cases should be actively observed without early systemic therapies. Early treatment of low-risk BCR with continuous androgen deprivation therapy (ADT) can produce disadvantages such as the development of castration resistance before the appearance of metastases (non-metastatic castration-resistant PC). Patients with high-risk BCR benefit from early systemic therapy. Even with overall survival (OS) as the primary treatment endpoint, metastasis-free survival (MFS) should be used as a surrogate endpoint in clinical trials, especially in long survival stages of the disease. The EMBARK study has greatly influenced the management of high-risk BCR, by introducing the concept of anticipation and intensification through the use of androgen receptor signaling inhibitors (ARSIs) and ADT combination therapy. In high-risk (PSA-DT ≤ 9 months) BCR cases, the combination of enzalutamide with leuprolide significantly improves MFS when compared to leuprolide alone, maintaining an unchanged quality of life in the asymptomatic phase of the disease. The possibility of using ARSIs alone in this early disease setting is suggested by the EMBARK study (arm with enzalutamide alone) with less evidence than with the intensification of the combination therapy. Continued use versus discontinuation of enzalutamide plus leuprolide intensified therapy upon reaching undetectable PSA levels needs to be better defined with further analysis. Real-world analysis must verify the significant results obtained in the context of a phase 3 study.
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Affiliation(s)
- Alessandro Sciarra
- Department Materno Infantile e Scienze Urologiche, Sapienza University, Viale Policlinico 155, 00161 Rome, Italy; (V.S.); (S.S.); (M.M.); (G.B.); (L.S.); (D.C.); (M.F.); (G.D.P.); (F.D.G.); (A.G.); (G.B.)
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Wang H, Li G, Zhao J, Eiber M, Tian R. Current status of PSMA-targeted imaging and therapy. Front Oncol 2024; 13:1230251. [PMID: 38264741 PMCID: PMC10803481 DOI: 10.3389/fonc.2023.1230251] [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] [Received: 05/28/2023] [Accepted: 11/23/2023] [Indexed: 01/25/2024] Open
Abstract
Currently, the incidence of prostate cancer is increasing, and it has become a great threat to men's health. The detection, staging, and follow-up of prostate cancer patients are inseparable from morphology or magnetic resonance imaging (MRI). However, these do not fully meet the needs of diagnosis and patient management. In particular, owing to the late diagnosis, metastatic castration-resistant prostate cancer (mCRPC) patients usually have poor survival and few options for further effective treatment. Prostate-specific membrane antigen (PSMA), because of its overexpression on prostate cancer cells, has gained interest due to its application in the imaging and theranostics field. Several PSMA radioligands have been developed for imaging and treating prostate cancer. Many clinical trials have assessed the efficacy and safety profiles of these radionuclide agents and show promise in patients who have exhausted other standard treatment options. To date, several small compounds for targeting PSMA have been developed, and 68Ga-PSMA-11 and 18F-DCFPyL have been approved by the United States (US) Food and Drug Administration (FDA) for imaging of prostate cancer. 111In- or 99mTc-labeled PSMA-ligand can guide surgeons searching for radioactive metastatic lymph nodes, and 177Lu- or 225Ac-labeled PSMA-ligand can be used for internal radiotherapy. Moreover, some molecules for therapeutic application are undergoing different stages of clinical trials. In this review, we present current perspectives on the use of PSMA-targeted imaging and theranostics in prostate cancer. As PSMA-targeted imaging and therapeutics are becoming the standard of care for prostate cancer patients, we emphasize the importance of integrating nuclear medicine physicians into multidisciplinary oncology teams.
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Affiliation(s)
- Hui Wang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - GuanNan Li
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jie Zhao
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
- Department of Nuclear Medicine, Sanmenxia Central Hospital, Henan, China
| | - Matthias Eiber
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Rong Tian
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
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Luo W, Li T, Song Q, Zhang L, Cao M. Prognostic value of lncRNA LINC01018 in prostate cancer by regulating miR-182-5p (The role of LINC01018 in prostate cancer). NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2023:1-13. [PMID: 38147366 DOI: 10.1080/15257770.2023.2298408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/18/2023] [Indexed: 12/27/2023]
Abstract
LncRNAs are abnormally expressed in a variety of cancers and play unique roles in therapy. Based on this, the prognostic value of lncRNA LINC01018 in prostate cancer was discussed in this study. LINC01018 was underexpressed in prostate cancer tissues and cells, while miR-182-5p was elevated (***p < 0.001). Overexpression of LINC01018 may inhibit the progression of prostate cancer by targeting miR-182-5p. This study revealed that upregulated LINC01018 may prolong the overall survival of patients with prostate cancer (log-rank p = 0.042), and LINC01018 may become a prognostic biomarker for patients with prostate cancer, which brings a new direction for the treatment of patients.
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Affiliation(s)
- Wentao Luo
- Department of Urology Andrology, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Tingting Li
- Department of Urology Andrology, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Qiong Song
- Department of Urology Andrology, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Lixiao Zhang
- Department of Urology Andrology, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Min Cao
- Department of Urology Andrology, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, China
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Fukuda I, Aoki M, Kimura T, Ikeda K. Radiotherapy after radical prostatectomy for prostate cancer: clinical outcomes and factors influencing biochemical recurrence. Ir J Med Sci 2023; 192:2663-2671. [PMID: 37097540 DOI: 10.1007/s11845-023-03356-z] [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: 11/11/2022] [Accepted: 03/28/2023] [Indexed: 04/26/2023]
Abstract
BACKGROUND Radiotherapy (RT) after radical prostatectomy (RP) includes adjuvant radiotherapy (ART) and salvage radiotherapy (SRT), which can prevent or cure biochemical recurrence. AIMS To evaluate long-term outcomes of RT after RP and to examine factors affecting biochemical recurrence-free survival (bRFS). METHODS Sixty-six received ART and 73 received SRT between 2005 and 2012 were included. The clinical outcomes and late toxicities were evaluated. Univariate and multivariate analyses were performed to examine factors affecting bRFS. RESULTS Median follow-up from RP was 111 months. Five-year bRFS and 10-year distant metastasis-free survival from RP were 82.8% and 84.5% in ART, and 74.6% and 92.4% in SRT, respectively. The most frequent late toxicity was hematuria, which was higher in ART (p = .01). No recurrence within RT field was occurred. On univariate analysis, pelvic RT was associated with favorable bRFS in ART (p = .048). In SRT, post-RP prostate-specific antigen (PSA) level (< 0.05 ng/mL), PSA nadir after RT (≤ 0.01 ng/mL), and time to PSA nadir (≥ 10 months) were associated with favorable bRFS (p = .03, p < .001, and p = .002, respectively). On multivariate analysis, post-RP PSA level and time to PSA nadir were independent predictive factors for bRFS in SRT (p = .04 and p = .005). CONCLUSIONS ART and SRT had favorable outcomes with no recurrence within RT field. In SRT, the time to PSA nadir after RT (≥ 10 months) was found to be a new predictor for favorable bRFS and useful in assessing treatment efficacy.
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Affiliation(s)
- Ichiro Fukuda
- Department of Radiology, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan.
- Department of Radiology, Tokyo Dental College Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa-shi, Chiba, 272-8513, Japan.
| | - Manabu Aoki
- Department of Radiology, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Takahiro Kimura
- Department of Urology, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Koshi Ikeda
- Department of Radiology, Tokyo Dental College Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa-shi, Chiba, 272-8513, Japan
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12
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Komori T, Matsumoto K, Kosaka T, Takeda T, Kamitani R, Yasumizu Y, Tanaka N, Morita S, Mizuno R, Asanuma H, Oya M. Long-Term Prognosis and Treatment Strategy of Persistent PSA After Radical Prostatectomy. Ann Surg Oncol 2023; 30:6936-6942. [PMID: 37418130 DOI: 10.1245/s10434-023-13780-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/06/2023] [Indexed: 07/08/2023]
Abstract
PURPOSE Prostate-specific antigen (PSA) is thought to be undetectable (< 0.1 ng/mL) after radical prostatectomy (RP), and persistent PSA (≥ 0.1 ng/mL) is considered a failure of curative treatment. MATERIALS AND METHODS The study population consisted of 135 patients, all of whom underwent RP for localized prostate cancer, and developed persistent PSA. We set the starting point at the timing of RP, and the endpoints were the development of castration-resistant prostate cancer (CRPC) and cancer-specific survival. RESULTS Salvage radiation therapy (RT) and androgen deprivation therapy (ADT) were performed in 53 (39.3%) and 64 (47.4%) patients, respectively. Eighteen (13.3%) patients didn't receive any salvage treatment. During the median follow-up of 10.1 years, CRPC was observed in 23 patients, and 6 patients died due to prostate cancer. Kaplan-Meier curves demonstrated the 15-year CRPC-free and cancer-specific survivals were 79.5% and 92.7%, respectively. Cox multivariate analysis demonstrated that seminal vesicle invasion (SVI) (p = 0.007) and nadir PSA ≥1.0 ng/mL (p = 0.002) were independent risk factors for CRPC. Salvage RT demonstrated better cancer control (the 10-and 15-year CRPC-free survival was 94.1% and 94.1%) compared to ADT (75.9% and 58.5%, p = 0.017) after 1:1 propensity score matching. CONCLUSIONS SVI and nadir PSA ≥1.0 ng/mL are independent risk factors for CRPC in patients with persistent PSA after RP. Salvage RT is considered to be the optimal treatment for this condition.
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Affiliation(s)
- Takahiro Komori
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Kazuhiro Matsumoto
- Department of Urology, Keio University School of Medicine, Tokyo, Japan.
| | - Takeo Kosaka
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Toshikazu Takeda
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Rei Kamitani
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Yota Yasumizu
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Nobuyuki Tanaka
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Shinya Morita
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Ryuichi Mizuno
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Hiroshi Asanuma
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
| | - Mototsugu Oya
- Department of Urology, Keio University School of Medicine, Tokyo, Japan
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13
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Argalácsová S, Vočka M, Čapoun O, Lambert L. Timing of Early Salvage Therapy for Patients With Biochemical Relapse of Prostate Carcinoma. Oncol Rev 2023; 17:10676. [PMID: 37771544 PMCID: PMC10522833 DOI: 10.3389/or.2023.10676] [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: 05/26/2022] [Accepted: 08/30/2023] [Indexed: 09/30/2023] Open
Abstract
Between 25% and 33% of patients after radical prostatectomy experience a relapse of the disease. The risk of relapse increases in patients with risk factors up to 50%-80%. For a long time, adjuvant radiotherapy has been considered the standard of care. Four large prospective trials, that compared adjuvant and salvage radiotherapy in patients with biochemical relapse, showed the superiority of the adjuvant approach in biochemical and local relapse-free survival, but no consistent benefit in long-term endpoints (i.e., metastasis-free survival, overall survival, or carcinoma-specific survival) at the expense of increased urinary and bowel toxicity. Three large international studies comparing adjuvant and salvage radiotherapy paved the way toward early salvage radiotherapy. However, the optimal threshold of the PSA level (range of 0.2-0.5 ng/mL) for initiating early salvage radiotherapy remains unresolved and still poses a challenge in everyday clinical practice when balancing the need for early radiotherapy and the associated toxicity. Imprecise stratification of biochemical relaps patients according to the risk of clinical relapse drives efforts to find additional molecular biomarkers that would improve the timing of the salvage therapy.
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Affiliation(s)
- Soňa Argalácsová
- Department of Oncology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Michal Vočka
- Department of Oncology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Otakar Čapoun
- Department of Urology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Lukáš Lambert
- Department of Radiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
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14
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Aikawa K, Kimura S, Urabe F, Iwatani K, Tashiro K, Ochi A, Abe H, Aoki M, Kimura T. Predictive factors for disease progression after salvage radiation therapy in biochemical recurrent patients treated by radical prostatectomy. Prostate Int 2023; 11:145-149. [PMID: 37745910 PMCID: PMC10513901 DOI: 10.1016/j.prnil.2023.04.001] [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: 12/30/2022] [Revised: 03/27/2023] [Accepted: 04/04/2023] [Indexed: 09/26/2023] Open
Abstract
Objective Salvage radiation therapy (SRT) is standard treatment for patients after radical prostatectomy (RP). However, the optimal timing of SRT remains to be elucidated. Material and methods We retrospectively reviewed 133 prostate cancer (PCa) patients who underwent SRT for biochemical recurrence after RP. Disease progression was defined as repeated prostate-specific antigen (PSA) level more than 0.2 ng/mL, greater than the post-SRT nadir or radiographic progression. A receiver operating characteristic curve analysis was used to identify the optimal pre-SRT PSA level for predicting progression after SRT. Cox regression analyses were performed to elucidate the association between clinicopathologic characteristics and disease progression. Results Fifty-one PCa patients (38.4%) experienced disease progression after SRT. The optimal cutoff value of the pre-SRT PSA for predicting disease progression was 0.44 ng/mL. In multivariable analysis, pre-SRT PSA >0.44 ng/mL was a significant independent predictor of post-SRT disease progression [hazard ratio (HR): 2.02, P = 0.02]. Although the pre-SRT PSA >0.44 ng/mL did not maintain its independent association with disease progression in the multivariable analysis of patients with adverse pathology (HR: 1.63, P = 0.22), PSA within 4 weeks after RP as a continuous variable was significantly associated with disease progression (HR: 1.19, P = 0.04). Conclusions Our results highlight that in PCa patients who undergo RP, SRT should be performed before their PSA reaches 0.44 ng/mL. In patients with adverse pathology disease, a high PSA level within the 4 weeks after RP might identify those who are likely to have disease progression, and these patients might require systemic therapy.
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Affiliation(s)
- Koichi Aikawa
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Shoji Kimura
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Fumihiko Urabe
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Kosuke Iwatani
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Kojiro Tashiro
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Atsuhiko Ochi
- Department of Urology, Kameda Medica L Center, Chiba, Japan
| | - Hirokazu Abe
- Department of Urology, Kameda Medica L Center, Chiba, Japan
| | - Manabu Aoki
- Department of Radiology, Jikei University School of Medicine, Tokyo, Japan
| | - Takahiro Kimura
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
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15
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Mojsak M, Szumowski P, Amelian A, Hladunski M, Kubas B, Myśliwiec J, Kochanowicz J, Moniuszko M. Application of 18F-PSMA-1007 PET/MR Imaging in Early Biochemical Recurrence of Prostate Cancer: Results of a Prospective Study of 60 Patients with Very Low PSA Levels ≤ 0.5 ng/mL. Cancers (Basel) 2023; 15:4185. [PMID: 37627213 PMCID: PMC10453039 DOI: 10.3390/cancers15164185] [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: 07/11/2023] [Revised: 08/12/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
The use of 18F-PSMA-1007 and the role of PET/MR in the diagnosis of prostate cancer are not conclusively confirmed. There are reports indicating the potential pros and cons of using 18F-PSMA-1007 as well as the PET/MR technique in prostate cancer recurrence, but they are not yet included in the EAU guidelines. The aim of the study was to assess the effectiveness of 18F-PSMA-1007 PET/MR in detecting BCR lesions at very low PSA levels <0.5 ng/mL. METHODS Sixty patients with BCR after radical prostatectomy (RP) with PSA ranged 0.1-0.5 ng/mL were enrolled in a prospective study. All patients underwent simultaneous whole-body and pelvic 18F-PSMA-1007 PET/MR. The obtained results were verified by 12-month follow-up. RESULTS Fifty-three lesions were detected in 45 patients with 75% detection rate. The mean PSA value was 0.31 ng/mL. Of all PSMA-positive foci, 91% were localized in the pelvis, and only 9% of lesions were located in the extrapelvic region. Local recurrences were detected in 29%, PSMA-positive lymph nodes were detected in 64% of patients and bone metastases lesions were detected in 7% of patients. CONCLUSIONS 18F-PSMA-1007 PET/MR seems to be an excellent diagnostic tool in patients with early BCR with very low PSA levels, especially with dt PSA < 6 months. The synergistic effect of combining 18F-PSMA-1007 and whole-body PET/MR with precise multiparametric assessment of pelvic lesions is of particular benefit in early BCR.
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Affiliation(s)
- Małgorzata Mojsak
- Independent Laboratory of Molecular Imaging, Medical University of Bialystok, 15-276 Bialystok, Poland; (A.A.)
| | - Piotr Szumowski
- Department of Nuclear Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland; (P.S.)
| | - Anna Amelian
- Independent Laboratory of Molecular Imaging, Medical University of Bialystok, 15-276 Bialystok, Poland; (A.A.)
| | - Marcin Hladunski
- Independent Laboratory of Molecular Imaging, Medical University of Bialystok, 15-276 Bialystok, Poland; (A.A.)
| | - Bożena Kubas
- Department of Radiology, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Janusz Myśliwiec
- Department of Nuclear Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland; (P.S.)
| | - Jan Kochanowicz
- Department of Neurology, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Marcin Moniuszko
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, 15-276 Bialystok, Poland;
- Clinical Department of Allergic and Internal Diseases, Medical University of Bialystok, 15-276 Bialystok, Poland
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16
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Saito T, Matsumoto K, Kosaka T, Yasumizu Y, Tanaka N, Takeda T, Morita S, Mizuno R, Asanuma H, Oya M. Strategy for PSA progression in patients undergoing salvage radiation for biochemical recurrence after radical prostatectomy. Int J Clin Oncol 2023; 28:707-715. [PMID: 36929093 DOI: 10.1007/s10147-023-02322-0] [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: 07/21/2022] [Accepted: 02/23/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND The treatment strategy for prostate-specific antigen (PSA) progression in patients who receive salvage radiation therapy (RT) for biochemical recurrence (BCR) after radical prostatectomy (RP) is salvage androgen deprivation therapy (ADT). However, its optimal timing is highly controversial. METHODS The study sample consisted of 77 men who underwent RP, received salvage RT against BCR, and underwent salvage ADT for PSA progression. The endpoint of this study was development to castration-resistant prostate cancer (CRPC), from the start of salvage RT. RESULTS The median follow-up time was 9.5 years, and 20 patients experienced CRPC. The multivariable analysis identified PSA-doubling time (PSA-DT) ≤ 12 months (hazard ratio, 3.5) and seminal vesicle invasion (SVI) (hazard ratio, 4.4) as independent risk factors. We defined the high-risk and low-risk groups as those with one or two risk factors and no risk factors, respectively. In the high-risk group, a significant difference in time to CRPC was observed between patients who received salvage ADT at PSA ≤ 1.0 ng/mL (n = 8) and at > 1.0 ng/mL (n = 27) (10-year non-CRPC rate: 100.0% vs. 46.3%, respectively). In contrast, in the low-risk group, no significant difference in CRPC-free survival was observed between patients who received salvage ADT at PSA ≤ 1.0 ng/mL (n = 14) and at > 1.0 ng/mL (n = 28) (10-year non-CRPC rate: 86.4% vs. 80.8%, respectively). CONCLUSION In high-risk patients (PSA-DT ≤ 12 months and/or SVI), salvage ADT for PSA progression after salvage RT should be started before the PSA levels exceed 1.0 ng/mL.
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Affiliation(s)
- Takafumi Saito
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Kazuhiro Matsumoto
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
| | - Takeo Kosaka
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yota Yasumizu
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Nobuyuki Tanaka
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Toshikazu Takeda
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Shinya Morita
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Ryuichi Mizuno
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hiroshi Asanuma
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Mototsugu Oya
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
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17
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ESTRO-ACROP recommendations for evidence-based use of androgen deprivation therapy in combination with external-beam radiotherapy in prostate cancer. Radiother Oncol 2023; 183:109544. [PMID: 36813168 DOI: 10.1016/j.radonc.2023.109544] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/03/2023] [Accepted: 02/04/2023] [Indexed: 02/22/2023]
Abstract
BACKGROUND AND PURPOSE There is no consensus concerning the appropriate use of androgen deprivation therapy (ADT) during primary and postoperative external-beam radiotherapy (EBRT) in the management of prostate cancer (PCa). Thus, the European Society for Radiotherapy and Oncology (ESTRO) Advisory Committee for Radiation Oncology Practice (ACROP) guidelines seeks to present current recommendations for the clinical use of ADT in the various indications of EBRT. MATERIAL AND METHODS A literature search was conducted in MEDLINE PubMed that evaluated EBRT and ADT in prostate cancer. The search focused on randomized, Phase II and III trials published in English from January 2000 to May 2022. In case topics were addressed in the absence of Phase II or III trials, recommendations were labelled accordingly based on the limited body of evidence. Localized PCa was classified according to D'Amico et al. classification in low-, intermediate and high risk PCa. The ACROP clinical committee identified 13 European experts who discussed and analyzed the body of evidence concerning the use of ADT with EBRT for prostate cancer. RESULTS Key issues were identified and are discussed: It was concluded that no additional ADT is recommended for low-risk prostate cancer patients, whereas for intermediate- and high-risk patients four to six months and two to three years of ADT are recommended. Likewise, patients with locally advanced prostate cancer are recommended to receive ADT for two to three years and when ≥ 2 high-risk factors (cT3-4, ISUP grade ≥ 4 or PSA ≥ 40 ng/ml) or cN1 is present ADT for three years plus additional Abiraterone for two years is recommended. For postoperative patients no ADT is recommended for adjuvant EBRT in pN0 patients whereas for pN1 patients adjuvant EBRT with long-term ADT is performed for at least 24 to 36 months. In the setting of salvage EBRT ADT is performed in biochemically persistent PCa patients with no evidence of metastatic disease. Long-term ADT (24 months) is recommended in pN0 patients with high risk of further progression (PSA ≥ 0.7 ng/ml and ISUP grade group ≥ 4) and a life expectancy of over ten years, whereas short-term ADT (6 months) is recommended in pN0 patients with lower risk profile (PSA < 0.7 ng/ml and ISUP grade group 4). Patients considered for ultra-hypofractionated EBRT as well as patients with image based local recurrence within the prostatic fossa or lymph node recurrence should participate in appropriate clinical trials evaluating the role of additional ADT. CONCLUSION These ESTRO-ACROP recommendations are evidence-based and relevant to the use of ADT in combination with EBRT in PCa for the most common clinical settings.
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18
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Lee EE, Singh T, Hu C, Han M, Deville CJ, Halthore A, Greco S, Tran P, DeWeese T, Song DY. The impact of salvage radiotherapy initiation at PSA ≤ 0.5 ng/ml on metastasis-free survival in patients with relapsed prostate cancer following prostatectomy. Prostate 2023; 83:190-197. [PMID: 36316967 DOI: 10.1002/pros.24452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND PURPOSE Salvage radiation therapy (SRT) is indicated for biochemical failure after radical prostatectomy. Prior data have shown that initiation of SRT at lower PSA levels improves subsequent biochemical control, yet given the long natural history of prostate cancer questions remain regarding optimal timing of SRT. We analyzed the impact of prostate specific antigen (PSA) level at time of salvage radiotherapy with regard to both biochemical relapse-free (bRFS) as well as metastasis-free survival (MFS) in patients with biochemically recurrent prostate cancer. METHODS Using prospective institutional tumor registry data, univariate and multivariable-adjusted Cox proportional hazards models were constructed to assess association between outcomes and clinical and pathologic prognostic features, including pre-SRT PSA, interval from prostatectomy to SRT, androgen deprivation therapy (ADT), and adverse pathologic features. RESULTS We identified 397 patients who received salvage RT between 1985 and 2016: 187 (45.8%) received SRT initiated when pre-RT PSA was ≤0.5 ng/ml; 212 (52.0%) patients had pre-SRT PSA > 0.5 ng/ml. Independent of pathologic risk status and ADT use, pre-SRT PSA ≤ 0.5 ng/ml was the most significant predictor of bRFS (HR 0.39, 95% CI [0.27, 0.56]) as well as MFS (HR = 0.58, 95% CI [0.37, 0.91]). Seminal vesicle invasion was also associated with shorter interval to biochemical failure, HR = 1.79, 95% CI [1.07, 2.98], and eventual metastases, HR = 2.07, 95% CI [1.14, 3.740]. CONCLUSIONS Initiation of salvage RT while PSA levels remain ≤0.5 ng/ml was associated with improved MFS. Consideration for salvage RT initiation while PSA levels remain low is warranted to minimize risk of future prostate cancer metastasis.
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Affiliation(s)
- Emerson E Lee
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Tanmay Singh
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Chen Hu
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Misop Han
- Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Curtiland Jr Deville
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Aditya Halthore
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Stephen Greco
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Phuoc Tran
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Theodore DeWeese
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Daniel Y Song
- Department of Radiation Oncology & Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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19
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Robinson H, Roberts MJ, Gardiner RA, Hill MM. Extracellular vesicles for precision medicine in prostate cancer - Is it ready for clinical translation? Semin Cancer Biol 2023; 89:18-29. [PMID: 36681206 DOI: 10.1016/j.semcancer.2023.01.003] [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: 08/31/2022] [Revised: 01/10/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023]
Abstract
Biofluid-based biomarker tests hold great promise for precision medicine in prostate cancer (PCa) clinical practice. Extracellular vesicles (EV) are established as intercellular messengers in cancer development with EV cargos, including protein and nucleic acids, having the potential to serve as biofluid-based biomarkers. Recent clinical studies have begun to evaluate EV-based biomarkers for PCa diagnosis, prognosis, and disease/therapy resistance monitoring. Promising results have led to PCa EV biomarker validation studies which are currently underway with the next challenge being translation to robust clinical assays. However, EV research studies generally use low throughput EV isolation methods and costly molecular profiling technologies that are not suitable for clinical assays. Here, we consider the technical hurdles in translating EV biomarker research findings into precise and cost-effective clinical biomarker assays. Novel microfluidic devices coupling EV extraction with sensitive antibody-based biomarker detection are already being explored for point-of-care applications for rapid provision in personalised medicine approaches.
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Affiliation(s)
- Harley Robinson
- QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, Brisbane, Queensland, Australia.
| | - Matthew J Roberts
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Herston, Brisbane, Queensland, Australia; Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Robert A Gardiner
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Herston, Brisbane, Queensland, Australia; Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Michelle M Hill
- QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, Brisbane, Queensland, Australia; UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Herston, Brisbane, Queensland, Australia.
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20
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Ma TM, Ballas LK, Wilhalme H, Sachdeva A, Chong N, Sharma S, Yang T, Basehart V, Reiter RE, Saigal C, Chamie K, Litwin MS, Rettig MB, Nickols NG, Yoon SM, Smith L, Gao Y, Steinberg ML, Cao M, Kishan AU. Quality-of-Life Outcomes and Toxicity Profile Among Patients With Localized Prostate Cancer After Radical Prostatectomy Treated With Stereotactic Body Radiation: The SCIMITAR Multicenter Phase 2 Trial. Int J Radiat Oncol Biol Phys 2023; 115:142-152. [PMID: 36007724 PMCID: PMC11386273 DOI: 10.1016/j.ijrobp.2022.08.041] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/26/2022] [Accepted: 08/16/2022] [Indexed: 11/20/2022]
Abstract
PURPOSE Postoperative radiation therapy (RT) is an underused standard-of-care intervention for patients with prostate cancer and recurrence/adverse pathologic features after radical prostatectomy. Although stereotactic body RT (SBRT) is a well-studied and convenient option for definitive treatment, data on the postprostatectomy setting are extremely limited. The purpose of this study was to evaluate short-term physician-scored genitourinary (GU) and gastrointestinal (GI) toxicities and patient-reported outcomes after postprostatectomy SBRT. METHODS AND MATERIALS The SCIMITAR trial was a phase 2, dual-center, open-label, single-arm trial that enrolled patients with postoperative prostate-specific antigen >0.03 ng/mL or adverse pathologic features. Coprimary endpoints were 4-year biochemical recurrence-free survival, physician-scored acute and late GU and GI toxicities by the Common Terminology Criteria for Adverse Events (version 4.03) scale, and patient-reported quality-of-life (QOL) outcomes, as represented by the Expanded Prostate Cancer Index-26 and the International Prostate Symptom Score. Patients received SBRT 30 to 34 Gy/5 fractions to the prostate bed ± bed boost ± pelvic nodes with computed tomography (CTgRT) or magnetic resonance imaging guidance (MRgRT) in a nonrandomized fashion. Physician-scored toxicities and patient-reported QOL outcomes were collected at baseline and at 1, 3, and 6 months of follow-up. Univariable and multivariable analyses were performed to evaluate predictors of toxicities and QOL outcomes. RESULTS One hundred participants were enrolled (CTgRT, n = 69; MRgRT, n = 31). The median follow-up was 29.5 months (CTgRT: 33.3 months, MRgRT: 22.6 months). The median (range) prostate bed dose was 32 (30-34) Gy. Acute and late grade 2 GU toxicities were both 9% while acute and late grade 2 GI toxicities were 5% and 0%, respectively. Three patients had grade 3 toxicity (n = 1 GU, n = 2 GI). No patient receiving MRgRT had grade 3 GU or grade ≥2 GI toxicity. Compared with CTgRT, MRgRT was associated with a 30.5% (95% confidence interval, 11.6%-49.5%) reduction in any-grade acute GI toxicity (P = .006). MRgRT was independently associated with improved any-grade GI toxicity and improved bowel QOL. CONCLUSIONS Postprostatectomy SBRT was well tolerated at short-term follow-up. MRgRT may decrease GI toxicity. Longer toxicity and/or efficacy follow-up and randomized studies are needed.
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Affiliation(s)
- Ting Martin Ma
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Leslie K Ballas
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Holly Wilhalme
- Department of Medicine Statistics Core, Division of General Internal Medicine and Health Services Research
| | - Ankush Sachdeva
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Natalie Chong
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Sahil Sharma
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Tiffany Yang
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Vincent Basehart
- Department of Radiation Oncology, University of California, Los Angeles, California
| | | | | | | | - Mark S Litwin
- Department of Urology; Department of Health Policy and Management, Fielding School of Public Health; School of Nursing
| | - Matthew B Rettig
- Department of Urology; Department of Medicine, University of California Los Angeles, Los Angeles, California
| | - Nicholas G Nickols
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Stephanie M Yoon
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Lauren Smith
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Yu Gao
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Michael L Steinberg
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Minsong Cao
- Department of Radiation Oncology, University of California, Los Angeles, California
| | - Amar U Kishan
- Department of Radiation Oncology, University of California, Los Angeles, California; Department of Urology.
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21
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Oh SW, Suh M, Cheon GJ. Current Status of PSMA-Targeted Radioligand Therapy in the Era of Radiopharmaceutical Therapy Acquiring Marketing Authorization. Nucl Med Mol Imaging 2022; 56:263-281. [PMID: 36425273 PMCID: PMC9679068 DOI: 10.1007/s13139-022-00764-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/11/2022] [Accepted: 07/11/2022] [Indexed: 10/15/2022] Open
Abstract
Prostate-specific membrane antigen (PSMA) is highly expressed in PCa, which gradually increases in high-grade tumors, metastatic tumors, and tumors nonresponsive to androgen deprivation therapy. PSMA has been a topic of interest during the past decade for both diagnostic and therapeutic targets. Radioligand therapy (RLT) utilizes the delivery of radioactive nuclides to tumors and tumor-associated targets, and it has shown better efficacy with minimal toxicity compared to other systemic cancer therapies. Nuclear medicine has faced a new turning point claiming theranosis as the core of academic identity, since new RLTs have been introduced to clinics through the official new drug development processes for approval from the Food and Drug Administration (FDA) or European Medical Agency. Recently, PSMA targeting RLT was approved by the US FDA in March 2022. This review introduces PSMA RLT focusing on ongoing clinical trials to enhance our understanding of nuclear medicine theranosis and strive for the development of new radiopharmaceuticals.
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Affiliation(s)
- So Won Oh
- Department of Nuclear Medicine, Seoul National University Boramae Medical Center, Seoul, 07061 Korea
| | - Minseok Suh
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, 03080 Korea
| | - Gi Jeong Cheon
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul, 03080 Korea
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22
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Vogel MME, Düsberg M, Stöhrer L, Dewes S, Sage EK, Borm KJ, Gschwend JE, Eiber M, Combs SE, Schiller K. Prostate-specific Membrane Antigen Positron Emission Tomography/Computed Tomography-based Lymph Node Atlas for Salvage Radiotherapy in Patients with Recurrent Prostate Cancer: A Validation of the New NRG Oncology 2020 guideline. Eur Urol Oncol 2022; 5:668-676. [PMID: 36280446 DOI: 10.1016/j.euo.2022.09.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/07/2022] [Accepted: 09/30/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND Approximately 20-40% of patients with prostate cancer (PC) who undergo radical prostatectomy (RP) experience relapse, with the majority of these cases developing pelvic lymph node (LN) metastases. Taking new data from the prostate-specific membrane antigen (PSMA) positron emission tomography (PET) era into account, the Radiation Therapy Oncology Group (RTOG) 2009 contouring guideline for the pelvic LNs from 2009 was updated by the NRG Oncology group in 2020 (NRG 2020). OBJECTIVE To evaluate and validate the updated NRG 2020 guideline with our established LN atlas. DESIGN, SETTING, AND PARTICIPANTS We screened 1653 PSMA PET/computed tomography (CT) data sets for patients with biochemical relapse who underwent a PET scan between November 2012 and November 2017. After screening, we developed an LN atlas using data from 233 patients. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS We evaluated LN overlap (OL) with the RTOG 2009 and NRG 2020 contouring guidelines. OL was defined as within (>90%), partly within (10-90%), or outside (<10%). RESULTS AND LIMITATIONS In comparison to the RTOG 2009 guideline, 403 (52%), 134 (17%), and 241 (31%) of the LNs were not, were partly, or were fully covered within the overall group, respectively. By contrast, using the NRG 2020 guideline, 302 (39%), 190 (24%), and 286 (37%) of the LNs were not, were partly, or were fully covered, respectively (p < 0.001). Limitations include the retrospective design with missing data and no histopathological confirmation of the PET results. CONCLUSIONS The updated NRG 2020 contouring guideline improves coverage of the pelvic LNs in patients undergoing salvage radiation therapy. However, PET/CT should be considered whenever possible to ensure coverage of untypical LN spread. PATIENT SUMMARY We compared the 2009 and 2020 guidelines on the radiation area for the pelvis for patients with recurrent prostate cancer that has spread to lymph nodes. The newer guideline provides better coverage of pelvic lymph nodes than the older one and is useful in planning radiation therapy. However, a scan of the pelvis using the newest technique should be considered for individual patients to ensure coverage of untypical lymph nodes.
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Affiliation(s)
- Marco M E Vogel
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany.
| | - Mathias Düsberg
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
| | - Lucia Stöhrer
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
| | - Sabrina Dewes
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
| | - Eva K Sage
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
| | - Kai J Borm
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
| | - Jürgen E Gschwend
- Department of Urology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
| | - Matthias Eiber
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
| | - Stephanie E Combs
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany; Institute for Radiation Medicine, Department of Radiation Sciences, Helmholtz Zentrum München, Neuherberg, Germany; Deutsches Konsortium für Translationale Krebsforschung, Munich Partner Site, Munich, Germany
| | - Kilian Schiller
- Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
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23
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French AFU Cancer Committee Guidelines - Update 2022-2024: prostate cancer - Diagnosis and management of localised disease. Prog Urol 2022; 32:1275-1372. [DOI: 10.1016/j.purol.2022.07.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 07/11/2022] [Indexed: 11/17/2022]
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24
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Bolton D, Hong A, Papa N, Perera M, Kelly B, Duncan C, Clouston D, Lawrentschuk N. Cribriform pattern disease over-represented in pelvic lymph node metastases identified on 68GA PSMA-PET/CT. BJUI COMPASS 2022; 3:371-376. [PMID: 35950036 PMCID: PMC9349597 DOI: 10.1002/bco2.151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 03/14/2022] [Accepted: 03/14/2022] [Indexed: 11/08/2022] Open
Abstract
Objectives To determine whether any specific histologic subtype of prostate cancer was preferentially represented in pelvic lymph node metastases identified on 68GA-PSMA-PET/CT. Subjects and Methods A consecutive series of 66 men with biochemical recurrent prostate cancer was evaluated with 68GA-PSMA-PET/CT. Where disease was confined to pelvic lymph nodes, patients were offered salvage extended pelvic lymph node dissection. Twenty patients ultimately proceeded to extended bilateral template pelvic lymph node dissection. Lymph node positivity and the histologic subtype of apparent cancer were assessed, as was PSA response to this intervention. Results Mean PSA at time of PSMA scanning for patients undergoing lymphadenectomy was 2.49 (n = 20, range 0.21-12.0). In 16 of 20 patients, there was evidence of metastatic cribriform pattern prostate cancer in excised nodes (100% cribriform pattern in 11/16). Only four of 20 patients had no evidence of this histologic subtype of disease. PSA response was not related to the presence or proportional amount of cribriform pattern disease identified. Conclusions Cribriform pattern adenocarcinoma appears to be the histologic subtype preferentially identified in pelvic lymph nodes on 68GA-PSMA-PET/CT. The use of PSMA-PET may be particularly valuable in staging of primary or biochemically recurrent prostate cancer in patients with cribriform pattern disease detected on initial biopsy or radical prostatectomy. Further research is required to further confirm the observed association.
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Affiliation(s)
- Damien Bolton
- Department of Urology and University of Melbourne Department of SurgeryAustin HealthMelbourneAustralia
| | - Anne Hong
- Department of Urology and University of Melbourne Department of SurgeryAustin HealthMelbourneAustralia
| | - Nathan Papa
- Department of Urology and University of Melbourne Department of SurgeryAustin HealthMelbourneAustralia
- Department of Preventive MedicineMonash UniversityMelbourneAustralia
| | - Marlon Perera
- Department of Urology and University of Melbourne Department of SurgeryAustin HealthMelbourneAustralia
- Urology Service, Department of SurgeryMemorial Sloan Kettering Cancer CenterNew YorkNew YorkUSA
| | - Brian Kelly
- Department of Urology and University of Melbourne Department of SurgeryAustin HealthMelbourneAustralia
- Department of UrologyPeter MacCallum Cancer CentreMelbourneAustralia
| | - Catriona Duncan
- Department of Urology and University of Melbourne Department of SurgeryAustin HealthMelbourneAustralia
| | | | - Nathan Lawrentschuk
- Department of Urology and University of Melbourne Department of SurgeryAustin HealthMelbourneAustralia
- Department of UrologyPeter MacCallum Cancer CentreMelbourneAustralia
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25
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Mena E, Rowe SP, Shih JH, Lindenberg L, Turkbey B, Fourquet A, Lin FI, Adler S, Eclarinal P, McKinney YL, Citrin DE, Dahut W, Wood BJ, Chang R, Levy E, Merino M, Gorin MA, Pomper MG, Pinto PA, Eary JF, Choyke PL, Pienta KJ. Predictors of 18F-DCFPyL PET/CT Positivity in Patients with Biochemical Recurrence of Prostate Cancer After Local Therapy. J Nucl Med 2022; 63:1184-1190. [PMID: 34916246 PMCID: PMC9364352 DOI: 10.2967/jnumed.121.262347] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 12/02/2021] [Indexed: 02/03/2023] Open
Abstract
Our objective was to investigate the factors predicting scan positivity and disease location in patients with biochemical recurrence (BCR) of prostate cancer (PCa) after primary local therapy using prostate-specific membrane antigen-targeted 18F-DCFPyL PET/CT. Methods: This was a 2-institution study including 245 BCR PCa patients after primary local therapy and negative results on conventional imaging. The patients underwent 18F-DCFPyL PET/CT. We tested for correlations of lesion detection rate and disease location with tumor characteristics, time from initial therapy, prostate-specific antigen (PSA) level, and PSA doubling time (PSAdt). Multivariate logistic regression analyses were used to determine predictors of a positive scan. Regression-based coefficients were used to develop nomograms predicting scan positivity and extrapelvic disease. Results: Overall, 79.2% (194/245) of patients had a positive 18F-DCFPyL PET/CT result, with detection rates of 48.2% (27/56), 74.3% (26/35), 84% (37/44), 96.7% (59/61), and 91.8% (45/49) for PSAs of <0.5, 0.5 to <1.0, 1.0 to <2.0, 2.0 to <5.0, and ≥5.0 ng/mL, respectively. Patients with lesions confined to the pelvis had lower PSAs than those with distant sites (1.6 ± 3.5 vs. 3.0 ± 6.3 ng/mL, P < 0.001). In patients treated with prostatectomy (n = 195), 24.1% (47/195) had a negative scan result, 46.1% (90/195) showed intrapelvic disease, and 29.7% (58/195) showed extrapelvic disease. In the postradiation subgroup (n = 50), 18F-DCFPyL PET/CT was always negative at a PSA lower than 1.0 ng/mL and extrapelvic disease was seen only when PSA was greater than 2.0 ng/mL. At multivariate analysis, PSA and PSAdt were independent predictive factors of scan positivity and the presence of extrapelvic disease in postsurgical patients, with area under the curve of 78% and 76%, respectively. PSA and PSAdt were independent predictors of the presence of extrapelvic disease in the postradiation cohort, with area under the curve of 85%. Time from treatment to scan was significantly longer for prostatectomy-bed-only recurrences than for those with bone or visceral disease (6.2 ± 6.4 vs. 2.4 ± 1.3 y, P < 0.001). Conclusion:18F-DCFPyL PET/CT offers high detection rates in BCR PCa patients. PSA and PSAdt are able to predict scan positivity and disease location. Furthermore, the presence of bone or visceral lesions is associated with shorter intervals from treatment than are prostate-bed-only recurrences. These tools might guide clinicians to select the most suitable candidates for 18F-DCFPyL PET/CT imaging.
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Affiliation(s)
- Esther Mena
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Steven P. Rowe
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Joanna H. Shih
- Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Liza Lindenberg
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Baris Turkbey
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Aloyse Fourquet
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Frank I. Lin
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Stephen Adler
- Clinical Research Directorate, Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Philip Eclarinal
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Yolanda L. McKinney
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Deborah E. Citrin
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - William Dahut
- Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Bradford J. Wood
- Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Richard Chang
- Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Elliot Levy
- Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Maria Merino
- Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Michael A. Gorin
- James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Martin G. Pomper
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Peter A. Pinto
- Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland; and
| | - Janet F. Eary
- Cancer Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Peter L. Choyke
- Molecular Imaging Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Kenneth J. Pienta
- James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
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ACCURATE PREDICTION OF LONG-TERM RISK OF BIOCHEMICAL FAILURE AFTER SALVAGE RADIOTHERAPY INCLUDING THE IMPACT OF PELVIC NODE IRRADIATION. Radiother Oncol 2022; 175:26-32. [DOI: 10.1016/j.radonc.2022.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/12/2022] [Accepted: 08/01/2022] [Indexed: 11/18/2022]
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Ga-68-PSMA-11 PET/CT in Patients with Biochemical Recurrence of Prostate Cancer after Primary Treatment with Curative Intent-Impact of Delayed Imaging. J Clin Med 2022; 11:jcm11123311. [PMID: 35743385 PMCID: PMC9225064 DOI: 10.3390/jcm11123311] [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: 05/11/2022] [Revised: 06/01/2022] [Accepted: 06/06/2022] [Indexed: 12/09/2022] Open
Abstract
The presence of prostate-specific membrane antigen (PSMA) on prostate cancer cells and its metastases allows its use in diagnostics using PET/CT. The aim of this study was to evaluate the usefulness of delayed phase images in the Ga-68-PSMA-11 PET/CT. Methods: 108 patients with prostate cancer (median age: 68.5 years, range: 49−83) were referred for Ga-68-PSMA-11 PET/CT due to biochemical relapse (PSA (prostate-specific antigen) (3.2 ± 5.4 ng/mL). Examinations were performed at 60 min, with an additional delayed phase of the pelvis region at 120−180 min. Results: The Ga-68-PSMA-11 PET/CT showed lesions in 86/108 (80%) patients; detection rate depending on the PSA level: 0.2 < PSA < 0.5 ng/mL vs. 0.5 ≤ PSA < 1.0 ng/mL vs. 1.0 ≤ PSA < 2.0 ng/mL vs. PSA ≥ 2.0 ng/mL was 56% (standard vs. delay: 56 vs. 56%) vs. 60% (52 vs. 60%) vs. 87% (83 vs. 87%) vs. 82% (77 vs. 82%) of patients, respectively. The delayed phase had an impact on the treatment in 14/86 patients (16%) (p < 0.05): 7 pts increased uptake was seen only after 60 min, which was interpreted as physiological or inflammatory accumulation; the delayed image showed increased accumulation in 7 patients only: 4 in regional lymph nodes, 1 in local recurrence, and 2 patients with local recurrence showed additional foci. Conclusions: Delayed phase of Ga-68-PSMA-11 PET/CT has an impact on treatment management in 16% of patients.
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28
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Renard-Penna R, Zhang-Yin J, Montagne S, Aupin L, Bruguière E, Labidi M, Latorzeff I, Hennequin C. Targeting Local Recurrence After Surgery With MRI Imaging for Prostate Cancer in the Setting of Salvage Radiation Therapy. Front Oncol 2022; 12:775387. [PMID: 35242702 PMCID: PMC8887697 DOI: 10.3389/fonc.2022.775387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 01/05/2022] [Indexed: 11/18/2022] Open
Abstract
Magnetic resonance imaging (MRI) is being increasingly used for imaging suspected recurrence in prostate cancer therapy. Functional MRI with diffusion and perfusion imaging has the potential to demonstrate local recurrence even at low PSA value. Detection of recurrence can modify the management of postprostatectomy biochemical recurrence. MRI scan acquired before salvage radiotherapy is useful for the localization of recurrent tumors and also in the delineation of the target volume. The objective of this review is to assess the role and potential impact of MRI in targeting local recurrence after surgery for prostate cancer in the setting of salvage radiation therapy.
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Affiliation(s)
- Raphaële Renard-Penna
- Academic Department of Radiology, Hôpital Pitié-Salpétrière, Assistance Publique des Hôpitaux de Paris, Paris, France.,Sorbonne University, Paris, France
| | - Jules Zhang-Yin
- Nuclear Medicine Department, Tenon Hospital, Assistance Publique des Hôpitaux de Paris (APHP), Paris, France
| | - Sarah Montagne
- Academic Department of Radiology, Hôpital Pitié-Salpétrière, Assistance Publique des Hôpitaux de Paris, Paris, France.,Sorbonne University, Paris, France
| | - Laurene Aupin
- Academic Department of Radiology, Hôpital Pitié-Salpétrière, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Eric Bruguière
- Department of Imaging, Clinique Pasteur, Toulouse, France
| | - Mouna Labidi
- Department of Oncology, Saint-Louis Hospital, Université de Paris, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Igor Latorzeff
- Department of Radiotherapy, Clinique Pasteur, Toulouse, France
| | - Christophe Hennequin
- Department of Oncology, Saint-Louis Hospital, Université de Paris, Assistance Publique des Hôpitaux de Paris, Paris, France
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Mena E, Lindenberg L, Choyke P. The Impact of PSMA PET/CT Imaging in Prostate Cancer Radiation Treatment. Semin Nucl Med 2022; 52:255-262. [PMID: 35016755 PMCID: PMC8960055 DOI: 10.1053/j.semnuclmed.2021.12.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Imaging of prostate cancer is rapidly evolving with the introduction of the novel prostate-specific membrane antigen (PSMA)-targeted PET imaging tool for managing recurrent prostate cancer. One immediate impact of PSMA PET is the identification of residual or recurrent lesions that are amenable to external beam radiotherapy. Radiotherapy is used as a definitive curative treatment option for patients with localized prostate cancer alone or in combination therapy. In the setting of biochemical failure after radical prostatectomy, salvage radiation is a potential curative option, and the application of metastasis-directed radiotherapy in the setting of oligometastatic prostate cancer is currently being studied. To maximize the chances of curative therapy, the irradiated tumor volumes should completely encompass the actual extent of disease. Thus, an accurate estimation of the location and delineation of disease targets is critical for radiotherapy planning. The integration of PSMA PET imaging into the routine evaluation of prostate cancer has markedly improved sensitivity and specificity for recurrent disease, even at very low PSA values, which may enable further tailored radiation treatment plans, and help reduce the risk of radiation to adjacent normal tissues. However, while the introduction of PSMA PET will likely change behavior regarding earlier application of radiotherapy, the long-term impact of PSMA PET on patient outcomes is yet to be determined. The aim of the review is to give an overview of the use of PSMA-PET/CT imaging in the setting of radiation therapy for prostate cancer.
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Affiliation(s)
- Esther Mena
- Molecular Imaging Branch, NCI, NIH, Bethesda, MD.
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30
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PSMA PET/CT and radiotherapy in prostate cancer: a winning team. Clin Transl Imaging 2022. [DOI: 10.1007/s40336-021-00478-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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31
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Salvage Radiotherapy versus Observation for Biochemical Recurrence following Radical Prostatectomy for Prostate Cancer: A Matched Pair Analysis. Cancers (Basel) 2022; 14:cancers14030740. [PMID: 35159007 PMCID: PMC8833698 DOI: 10.3390/cancers14030740] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/23/2022] [Accepted: 01/26/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Salvage radiotherapy improves oncologic outcomes in prostate cancer patients who develop biochemical recurrence after radical prostatectomy. However, the evidence on hard clinical endpoints is scarce. Within this study, we compare the long-term oncologic outcomes of patients with biochemical recurrence after prostatectomy, who were treated with either salvage radiotherapy or no radiotherapy. Our results show that patients who were treated with salvage radiotherapy after the development of biochemical recurrence following radical prostatectomy had a lower risk of developing metastasis and lower risk of death within the follow-up. These findings further underline the curative potential of salvage radiotherapy in the case of biochemical recurrence after radical prostatectomy, and should be discussed with these patients. Abstract Background: Salvage radiotherapy (SRT) improves oncologic outcomes in prostate cancer (PCa) patients who develop biochemical recurrence (BCR) after radical prostatectomy (RP). However, evidence on hard clinical endpoints is scarce. We compare long-term oncologic outcomes of SRT versus no radiotherapy (noRT) in patients with BCR after RP. Patients and methods: Within a multi-institutional database, we identified patients with BCR after RP between 1989 and 2016 for PCa. Patients with lymph node invasion, with adjuvant radiotherapy, or with additional androgen deprivation therapy at BCR were excluded. In all patients with SRT, SRT was delivered to the prostatic bed only. Propensity score matching (PSM) was performed to account for differences in pathologic tumor characteristics. Kaplan–Meier analyses and Cox regression models tested the effect of SRT versus no RT on metastasis-free (MFS) and overall survival (OS). Results: Of 1832 patients with BCR, 32.9% (n = 603) received SRT without ADT. The median follow-up was 95.9 months. Median total SRT dose was 70.2 Gy. After 1:1 PSM, at 15 years after RP, MFS and OS rates were 84.3 versus 76.9% (p < 0.001) and 85.3 versus 74.4% (p = 0.04) for SRT and noRT, respectively. In multivariable Cox regression models, SRT was an independent predictor for metastasis (HR: 0.37, p < 0.001) and OS (HR: 0.64, p = 0.03). Conclusion: This is the first matched-pair analysis investigating the impact of SRT versus observation only in post-RP recurrent PCa. After compensating for established risk factors, SRT was associated with better long-term MFS and OS. These results on clinical endpoints underline the curative potential of SRT.
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32
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Jiang J, Tang X, Pu Y, Yang Y, Yang C, Yang F, Tian Y, Li J, Sun H, Zhao S, Chen L. The Value of Multimodality PET/CT Imaging in Detecting Prostate Cancer Biochemical Recurrence. Front Endocrinol (Lausanne) 2022; 13:897513. [PMID: 35712249 PMCID: PMC9197252 DOI: 10.3389/fendo.2022.897513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 04/26/2022] [Indexed: 11/13/2022] Open
Abstract
Prostate cancer (PCa) induced death is the predominant cause of cancer-related death among men in 48 countries. After radical treatment, biochemical recurrence has become an important factor for prognosis. The early detection and diagnosis of recurrent lesions are very helpful in guiding treatment and improving the prognosis. PET/CT is a promising method for early detection of lesions in patients with biochemical recurrence of prostate cancer. This article reviews the progress of the research on PET/CT in the PCa biochemical recurrence and aims to introduce new technologies and provide more direction for future research.
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Affiliation(s)
- Jie Jiang
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Xiaoxia Tang
- Department of Pharmacy, The Second Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Yongzhu Pu
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Yong Yang
- Department of Urology, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Conghui Yang
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Fake Yang
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Yadong Tian
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Jindan Li
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Hua Sun
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
- *Correspondence: Long Chen, ; Hua Sun, ; Sheng Zhao,
| | - Sheng Zhao
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
- *Correspondence: Long Chen, ; Hua Sun, ; Sheng Zhao,
| | - Long Chen
- Department of PET/CT Center, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Yunnan, China
- *Correspondence: Long Chen, ; Hua Sun, ; Sheng Zhao,
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Bitting RL, Healy P, George DJ, Anand M, Kim S, Mayer T, Winters C, Riggan C, Rasmussen J, Wilder R, Stein M, Frizzell B, Harrison MR, Zhang T, Lee WR, Wu Y, Koontz BF, Armstrong AJ. Phase II Trial of Enzalutamide and Androgen Deprivation Therapy with Salvage Radiation in Men with High-risk Prostate-specific Antigen Recurrent Prostate Cancer: The STREAM Trial. Eur Urol Oncol 2021; 4:948-954. [PMID: 32063492 DOI: 10.1016/j.euo.2020.01.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 01/10/2020] [Accepted: 01/30/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND Salvage external beam radiotherapy (RT) with androgen deprivation therapy (ADT) improves survival over RT in men with prostate cancer (PC) and rising prostate-specific antigen (PSA) levels after radical prostatectomy (RP). OBJECTIVE To investigate the safety and efficacy of enzalutamide concurrent with salvage RT and ADT. DESIGN, SETTING, AND PARTICIPANTS This was a three-center prospective phase 2 single-arm trial (NCT02057939) of men with Gleason 7-10 PC and PSA recurrence within 4 yr of RP ranging from 0.2 to 4.0 ng/dl, no prior hormonal therapy, and no radiographic evidence of metastases. We enrolled 38 men; 37 completed therapy and were evaluable with testosterone recovery at 2 yr. INTERVENTION Six months of ADT with 160 mg/d enzalutamide and 66 Gy RT to the prostate bed. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS The primary endpoint was improved 2-yr progression-free survival (PFS) over historical controls. Secondary objectives included 3-yr PFS, safety, and patient-reported quality of life (QOL). RESULTS AND LIMITATIONS The primary endpoint of 2-yr PFS was 65% (95% confidence interval [CI]: 47, 78) versus 51% (95% CI: 33, 67) in a trial of men with similar eligibility treated with salvage RT and adjuvant docetaxel. The 3-yr PFS was 53%. Eleven (29%) men experienced G3 toxicities, and there were no G4-5 or unexpected toxicities. QOL data suggest modest worsening of bowel, bladder, and hormonal symptoms at 3 mo, with recovery by 24 mo in most men. CONCLUSIONS Salvage RT with enzalutamide and ADT following RP for men with PSA recurrent high-risk PC is safe and demonstrates encouraging efficacy, warranting prospective controlled phase 3 trials of ADT with or without potent androgen receptor inhibition in this curative-intent setting. PATIENT SUMMARY Addition of 6 mo of oral daily enzalutamide to standard salvage radiation and hormone therapy is safe and may improve prostate cancer remission rates at 2 and 3 yr.
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Affiliation(s)
- Rhonda L Bitting
- Comprehensive Cancer Center of Wake Forest University, Departments of Internal Medicine and Radiation Oncology, Winston-Salem NC USA
| | - Patrick Healy
- Department of Biostatistics, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - Daniel J George
- Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Surgery, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Pharmacology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Cancer Biology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - Monika Anand
- Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham NC, USA
| | - Sung Kim
- Cancer Institute of New Jersey, Rutgers, NJ, USA
| | - Tina Mayer
- Cancer Institute of New Jersey, Rutgers, NJ, USA
| | - Carol Winters
- Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham NC, USA
| | - Colleen Riggan
- Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham NC, USA
| | - Julia Rasmussen
- Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham NC, USA
| | - Rhonda Wilder
- Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham NC, USA
| | - Mark Stein
- Cancer Institute of New Jersey, Rutgers, NJ, USA
| | - Bart Frizzell
- Comprehensive Cancer Center of Wake Forest University, Departments of Internal Medicine and Radiation Oncology, Winston-Salem NC USA
| | - Michael R Harrison
- Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Surgery, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Pharmacology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Cancer Biology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - Tian Zhang
- Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Surgery, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Pharmacology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Cancer Biology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - William R Lee
- Department of Radiation Oncology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - Yuan Wu
- Department of Biostatistics, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - Bridget F Koontz
- Department of Radiation Oncology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - Andrew J Armstrong
- Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Surgery, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Pharmacology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA; Department of Cancer Biology, Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA.
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A Prospective Study Assessing the Post-Prostatectomy Detection Rate of a Presumed Local Failure at mpMR with Either 64CuCl 2 or 64CuPSMA PET/CT. Cancers (Basel) 2021; 13:cancers13215564. [PMID: 34771726 PMCID: PMC8582802 DOI: 10.3390/cancers13215564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/17/2021] [Accepted: 10/20/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary The role of PET/CT with two novel tracers was investigated in prostate cancer patients with both a biochemical failure after surgery and a presumed local failure at multiparametric MR. Overall, both PET tracers detected only about 50% of local failures. Therefore, multiparametric MR remains the exam of choice to investigate the prostatic fossa in patients who fail surgery. Abstract Background: We aimed assess the detection rate (DR) of positron emission tomography/computed tomography with two novel tracers in patients referred for salvage radiotherapy (sRT) with a presumed local recurrence at multiparametric magnetic resonance (mpMR) after radical prostatectomy (RP). Methods: The present prospective study was conducted at a single institution between August 2017 and June 2020. Eligibility criteria were undetectable PSA after RP; subsequent biochemical recurrence (two consecutive PSA rises to 0.2 ng/mL or greater); a presumed local failure at mpMR; no distant metastases at 18F-fluorocholine PET/CT (CH/PET); no previous history of androgen deprivation therapy. Patients were offered both 64CuCl2 PET/CT (CU/PET) and 64Cu-PSMA PET/CT (PSMA/PET) before sRT. After image co-registration, PET findings were compared to mpMR ones in terms of DR and independent predictors of DR investigated at logistic regression. Results: A total of 62 patients with 72 nodules at mpMR were accrued. Compared to mpMR (DR = 100%, 95%CI: 94.9–100%), DRs were 47.2% (95%CI: 36.1–58.6%) and 54.4% (95%CI: 42.7–65.7%) for CU/PET and PSMA/PET, respectively (p < 0.001 for both). Both experimental PET/CT performed particularly poorly at PSA levels consistent with early sRT. Conclusions: The two novel radiotracers are inferior to mpMR in restaging the prostatic fossa for sRT planning purposes, particularly in the context of early salvage radiotherapy.
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Extreme Hypofractionation with SBRT in Localized Prostate Cancer. Curr Oncol 2021; 28:2933-2949. [PMID: 34436023 PMCID: PMC8395496 DOI: 10.3390/curroncol28040257] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/24/2021] [Accepted: 07/27/2021] [Indexed: 02/07/2023] Open
Abstract
Prostate cancer is the most commonly diagnosed cancer among men around the world. Radiotherapy is a standard of care treatment option for men with localized prostate cancer. Over the years, radiation delivery modalities have contributed to increased precision of treatment, employing radiobiological insights to shorten the overall treatment time, improving the control of the disease without increasing toxicities. Stereotactic body radiation therapy (SBRT) represents an extreme form of hypofractionated radiotherapy in which treatment is usually delivered in 1–5 fractions. This review assesses the main efficacy and toxicity data of SBRT in non-metastatic prostate cancer and discusses the potential to implement this scheme in routine clinical practice.
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Matsumoto K, Niwa N, Kosaka T, Takeda T, Yasumizu Y, Tanaka N, Morita S, Mizuno R, Shinojima T, Asanuma H, Oya M. Negative impact of neoadjuvant hormonal therapy on detecting biochemical recurrence after radical prostatectomy. Int J Clin Oncol 2021; 26:1722-1728. [PMID: 34086109 PMCID: PMC8175233 DOI: 10.1007/s10147-021-01942-8] [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: 01/18/2021] [Accepted: 05/21/2021] [Indexed: 11/24/2022]
Abstract
Background Routine use of neoadjuvant hormonal therapy (NHT) before radical prostatectomy (RP) is not recommended, but it is sometimes performed to reduce the prostate size and tumor volume or to prevent tumor progression during the wait times for surgery in clinical practice. On the other hand, the impact of NHT on the pattern of biochemical recurrence (BCR) is unknown. Methods We retrospectively examined 1749 consecutive patients who underwent RP between 1996 and 2017. Among the patients who met the inclusion criteria, BCR developed in 240 of non-NHT patients and in 120 of NHT patients during the mean follow-up period of 6.9 years. We examined the impact of NHT on the PSA-doubling time (DT) following BCR at different times after RP. Results The median PSA-DTs in non-NHT patients who experienced BCR in the first year after surgery, between 1 and 2 years, between 2 and 3 years, between 3 and 4 years, between 4 and 5 years, and at > 5 years were 5.5, 8.8, 11.3, 17.7, 18.2, and 18.4 months, respectively. On the other hand, those in NHT patients were 1.4, 4.1, 9.1, 13.4, 27.2, and 19.3 months, respectively. The differences of PSA-DTs in the first year after surgery (p < 0.001) and between 1 and 2 years (p = 0.005) were significant between non-NHT and NHT patients. Conclusion Patients who received NHT had a higher risk of a rapid PSA increase when they experienced BCR, especially within 2 years after RP. In order to not miss the optimal timing of salvage treatment for BCR, intensive PSA follow-up is necessary. Supplementary Information The online version contains supplementary material available at 10.1007/s10147-021-01942-8.
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Affiliation(s)
- Kazuhiro Matsumoto
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan.
| | - Naoya Niwa
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Takeo Kosaka
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Toshikazu Takeda
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yota Yasumizu
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Nobuyuki Tanaka
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Shinya Morita
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Ryuichi Mizuno
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Toshiaki Shinojima
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hiroshi Asanuma
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Mototsugu Oya
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
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Dadgar H, Seyedi Vafaee M, Norouzbeigi N, Jafari E, Gholamrezanezhad A, Assadi M. Dual-phase 68Ga-PSMA-11 PET/CT may increase the rate of detected lesions in prostate cancer patients. Urologia 2021; 88:355-361. [PMID: 33627056 DOI: 10.1177/0391560321993544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND This study was conducted to compare the early static (3-6 min post-injection (p.i.)) and standard whole body (1 h, p.i.) 68Ga-PSMA-11 PET/CT imaging for detection of lesions in prostate cancer (PC) patients. MATERIALS AND METHODS In this study, PC patients suspected of recurrence underwent 68Ga-PSMA-11 PET/CT. Early static images were acquired from the pelvis and the lower abdomen 3-5 minutes after radiotracer injection and, a routine whole body scan was performed from the skull to the mid-thigh 1 h after injection. Quantitative analysis (SUVmax) was evaluated in suspicious lesions. RESULTS Of 19 evaluated PC patients with a median age of 72 ± 1.66 years (range: 55-85 years) and prostate-specific antigen (PSA) of 1.72 ± 6.11 ng/ml (range: 0.1-100 ng/ml) (median ± SE), 16 showed positive in the whole body PET/CT. All of the patients with positive whole body scans due to pelvic involvement had positive early scan results. Totally, 22 lesions were detected in both early and delay scans in the pelvic which 16 were related to prostate involvement, 4 were related to lymph node involvement, and 2 were related to bone involvement. Moreover, in addition to the mentioned 22 lesions, early PET imaging successfully detected local recurrence in a patient who was negative on WB PET/ CT; this lesion was masked in the delay scan due to bladder activity. The median SUVmax values of the early and delay scans were 3.69 ± 1.07 (median ± SE) (range: 1.2-14.5) and 5.85 ± 1.69 (range: 3.1-23.4), respectively. (p = 0.005). CONCLUSION Early static 68Ga-PSMA-11 PET/CT imaging might discriminate metastases from urinary bladder activity. Therefore, early static imaging in combination with whole body 60-min p.i. imaging can improve the detection of local involvement pelvic disease.
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Affiliation(s)
- Habibollah Dadgar
- RAZAVI Cancer Research Center, RAZAVI Hospital, Imam Reza International University, Mashhad, Iran
| | - Manouchehr Seyedi Vafaee
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark.,Translational Neuroscience, BRIDGE, University of Southern Denmark, Odense, Denmark
| | - Nasim Norouzbeigi
- RAZAVI Cancer Research Center, RAZAVI Hospital, Imam Reza International University, Mashhad, Iran
| | - Esmail Jafari
- Department of Molecular Imaging and Radionuclide Therapy, Bushehr Medical University Hospital, The Persian Gulf Nuclear Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Ali Gholamrezanezhad
- Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Majid Assadi
- Department of Molecular Imaging and Radionuclide Therapy, Bushehr Medical University Hospital, The Persian Gulf Nuclear Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran
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Görtz M, Hohenfellner M. Re: Adjuvant Radiotherapy Versus Early Salvage Radiotherapy Following Radical Prostatectomy (TROG 08.03/ANZUP RAVES): A Randomised, Controlled, Phase 3, Non-inferiority Trial. Eur Urol 2021; 79:893-894. [PMID: 33608153 DOI: 10.1016/j.eururo.2021.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/05/2021] [Indexed: 10/22/2022]
Affiliation(s)
- Magdalena Görtz
- Department of Urology, University Hospital Heidelberg, Heidelberg, Germany.
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Matsumoto K, Niwa N, Hagiwara M, Kosaka T, Takeda T, Yasumizu Y, Tanaka N, Morita S, Mizuno R, Shinojima T, Hara S, Asanuma H, Oya M. Long-term follow-up comparing salvage radiation therapy and androgen-deprivation therapy for biochemical recurrence after radical prostatectomy. Int J Clin Oncol 2021; 26:744-752. [PMID: 33387085 DOI: 10.1007/s10147-020-01839-y] [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: 07/30/2020] [Accepted: 11/18/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND The salvage treatments for biochemical recurrence (BCR) include local external beam radiation therapy (RT) and systemic androgen-deprivation therapy (ADT). METHODS We reviewed patients who underwent radical prostatectomy (RP) and developed BCR at three institutions. After excluding patients whose nadir prostate-specific antigen (PSA) was higher than 0.2 ng/mL, those who received neoadjuvant/adjuvant therapy, and those whose BCR was not treated until their PSA exceeded 4.0 ng/mL, the remaining 335 patients comprised the cohort of this study. Salvage RT and ADT were performed for 154 and 181 patients, respectively. After the failure of salvage RT, all patients received subsequent ADT. The starting point of this study was the timing of BCR and the endpoint was the development of castration-resistant prostate cancer (CRPC). RESULTS During the mean follow-up period of 8.5 years after BCR, CRPC was observed in 13 patients administered RT and 24 patients administered ADT. Kaplan-Meier curves demonstrated no significant difference in CRPC-free survival between the RT and ADT groups (10-year CRPC-free survival 89.9 vs. 86.3%, p = 0.199). On the other hand, we found a significant difference in CRPC-free survival between the RT and ADT groups in 50 high-risk patients with two risk factors of Grade Group ≥ 4 and PSA-doubling time < 6 months (10-year CRPC-free survival 73.4 vs. 40.3%, p = 0.040). CONCLUSION This study revealed that salvage RT increases the CRPC-free survival rate compared with salvage ADT in high-risk patients with Grade Group ≥ 4 and PSA-doubling time < 6 months.
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Affiliation(s)
- Kazuhiro Matsumoto
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan.
| | - Naoya Niwa
- Department of Urology, Tokyo Saiseikai Central Hospital, Mita 1-4-17, Minato-ku, Tokyo, 108-0073, Japan
| | - Masayuki Hagiwara
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Takeo Kosaka
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Toshikazu Takeda
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yota Yasumizu
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Nobuyuki Tanaka
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Shinya Morita
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Ryuichi Mizuno
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Toshiaki Shinojima
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Satoshi Hara
- Department of Urology, Kawasaki Municipal Hospital, Shinkawadori 12-1, Kawasaki-ku, Kawasaki, 210-0013, Japan
| | - Hiroshi Asanuma
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Mototsugu Oya
- Department of Urology, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan
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Vigna‐Taglianti R, Boriano A, Gianello L, Melano A, Bergesio F, Merlotti AM, Reali A, Petrucci R, Russi EG. Predictive value of Prostate Specific Antigen variations in the last week of salvage radiotherapy for biochemical recurrence of prostate cancer after surgery: A practical approach. Cancer Rep (Hoboken) 2020; 3:e1285. [PMID: 32881424 PMCID: PMC7941543 DOI: 10.1002/cnr2.1285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/01/2020] [Accepted: 08/02/2020] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND About a third of patients who underwent radical prostatectomy for prostate cancer (Pca) develop a biochemical failure (BF) within 10 years from surgery, and about a half of them receive salvage radiation therapy (SRT). Factors to predict risk to relapse after SRT are still lacking. Dynamic models, based on the assessment of changes in Prostate Specific Antigen (PSA) postsurgery seem to show good reliability. AIMS The goal of the study was to identify a simple analytical method for the postsalvage radiation therapy biochemical failure (post-SRTBF) prediction before the end of the SRT, regardless of the PSA value at the beginning of the treatment (PSA start), measuring the PSA values at the start and 1 week before the end of SRT. METHODS In a series of 83 patients treated with SRT for BF of Pca we measured PSA values at the first day and 1 week before the end of SRT. These values were used to define an analytical method for the post-SRTBF prediction. RESULTS PSA value in patients without post-SRTBF show a significant difference in term of difference during the SRT with respect to patients with post-SRTBF. Starting from this difference, we identified a simple and practical analytical method for the post-SRTBF prediction before the end of the SRT. The data corresponds with the model and the analytical method is highly predictive (Sensitivity = 81%, Specificity = 85%, Accuracy = 83%). CONCLUSION This study offers a new tool to early predict Pca relapse overtime and to select patients who can benefit from an early additional systemic treatment.
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Affiliation(s)
| | - Alberto Boriano
- Medical Physics DepartmentSanta Croce and Carle HospitalCuneoItaly
| | - Luca Gianello
- Radiation Oncology DepartmentSanta Croce and Carle HospitalCuneoItaly
| | - Antonella Melano
- Radiation Oncology DepartmentSanta Croce and Carle HospitalCuneoItaly
| | | | | | - Alessia Reali
- Radiation Oncology DepartmentSanta Croce and Carle HospitalCuneoItaly
| | - Rachele Petrucci
- Radiation Oncology DepartmentSanta Croce and Carle HospitalCuneoItaly
| | - Elvio G. Russi
- Radiation Oncology DepartmentSanta Croce and Carle HospitalCuneoItaly
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Peeken JC, Shouman MA, Kroenke M, Rauscher I, Maurer T, Gschwend JE, Eiber M, Combs SE. A CT-based radiomics model to detect prostate cancer lymph node metastases in PSMA radioguided surgery patients. Eur J Nucl Med Mol Imaging 2020; 47:2968-2977. [PMID: 32468251 PMCID: PMC7680305 DOI: 10.1007/s00259-020-04864-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 05/07/2020] [Indexed: 12/21/2022]
Abstract
PURPOSE In recurrent prostate carcinoma, determination of the site of recurrence is crucial to guide personalized therapy. In contrast to prostate-specific membrane antigen (PSMA)-positron emission tomography (PET) imaging, computed tomography (CT) has only limited capacity to detect lymph node metastases (LNM). We sought to develop a CT-based radiomic model to predict LNM status using a PSMA radioguided surgery (RGS) cohort with histological confirmation of all suspected lymph nodes (LNs). METHODS Eighty patients that received RGS for resection of PSMA PET/CT-positive LNMs were analyzed. Forty-seven patients (87 LNs) that received inhouse imaging were used as training cohort. Thirty-three patients (62 LNs) that received external imaging were used as testing cohort. As gold standard, histological confirmation was available for all LNs. After preprocessing, 156 radiomic features analyzing texture, shape, intensity, and local binary patterns (LBP) were extracted. The least absolute shrinkage and selection operator (radiomic models) and logistic regression (conventional parameters) were used for modeling. RESULTS Texture and shape features were largely correlated to LN volume. A combined radiomic model achieved the best predictive performance with a testing-AUC of 0.95. LBP features showed the highest contribution to model performance. This model significantly outperformed all conventional CT parameters including LN short diameter (AUC 0.84), LN volume (AUC 0.80), and an expert rating (AUC 0.67). In lymph node-specific decision curve analysis, there was a clinical net benefit above LN short diameter. CONCLUSION The best radiomic model outperformed conventional measures for detection of LNM demonstrating an incremental value of radiomic features.
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Affiliation(s)
- Jan C Peeken
- Department of Radiation Oncology, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Ismaninger Straße 22, 81675, Munich, Germany.
- Institute of Radiation Medicine (IRM), Department of Radiation Sciences (DRS), Helmholtz Zentrum München, Neuherberg, Germany.
- Deutsches Konsortium für Translationale Krebsforschung (DKTK), Deutsches Konsortium für Translationale Krebsforschung (DKTK), Partner Site Munich, Munich, Germany.
| | - Mohamed A Shouman
- Department of Radiation Oncology, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Ismaninger Straße 22, 81675, Munich, Germany
| | - Markus Kroenke
- Department of Nuclear Medicine, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Munich, Germany
- Institute for Diagnostic and Interventional Radiology, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Munich, Germany
| | - Isabel Rauscher
- Department of Nuclear Medicine, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Munich, Germany
| | - Tobias Maurer
- Institute for Diagnostic and Interventional Radiology, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Munich, Germany
- Department of Urology, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Munich, Germany
| | - Jürgen E Gschwend
- Department of Urology and Martini-Klinik, University Hamburg-Eppendorf, Hamburg, Germany
| | - Matthias Eiber
- Deutsches Konsortium für Translationale Krebsforschung (DKTK), Deutsches Konsortium für Translationale Krebsforschung (DKTK), Partner Site Munich, Munich, Germany
- Department of Nuclear Medicine, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Munich, Germany
| | - Stephanie E Combs
- Department of Radiation Oncology, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich (TUM), Ismaninger Straße 22, 81675, Munich, Germany
- Institute of Radiation Medicine (IRM), Department of Radiation Sciences (DRS), Helmholtz Zentrum München, Neuherberg, Germany
- Deutsches Konsortium für Translationale Krebsforschung (DKTK), Deutsches Konsortium für Translationale Krebsforschung (DKTK), Partner Site Munich, Munich, Germany
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Ishikawa H, Higuchi K, Kaminuma T, Takezawa Y, Saito Y, Etsunaga T, Maruo K, Kawamura H, Kubo N, Nakano T, Kobayashi M. The effects of PSA kinetics on the outcome of hypofractionated salvage radiotherapy for biochemical recurrence of prostate cancer after prostatectomy. JOURNAL OF RADIATION RESEARCH 2020; 61:908-919. [PMID: 32888035 PMCID: PMC7674678 DOI: 10.1093/jrr/rraa074] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 07/14/2020] [Accepted: 08/13/2020] [Indexed: 06/11/2023]
Abstract
The feasibility and efficacy of hypofractionated salvage radiotherapy (HS-RT) for prostate cancer (PC) with biochemical recurrence (BR) after prostatectomy, and the usefulness of prostate-specific antigen (PSA) kinetics as a predictor of BR, were evaluated in 38 patients who received HS-RT without androgen deprivation therapy between May 2009 and January 2017. Their median age, PSA level and PSA doubling time (PSA-DT) at the start of HS-RT were 68 (53-74) years, 0.28 (0.20-0.79) ng/ml and 7.7 (2.3-38.5) months, respectively. A total dose of 60 Gy in 20 fractions (three times a week) was three-dimensionally delivered to the prostate bed. After a median follow-up of 62 (30-100) months, 19 (50%) patients developed a second BR after HS-RT, but only 1 patient died before the last follow-up. The 5-year overall survival and BR-free survival rates were 97.1 and 47.4%, respectively. Late grade 2 gastrointestinal and genitourinary morbidities were observed in 0 and 5 (13%) patients, respectively. The PSA level as well as pathological T-stage and surgical margin status were regarded as significant predictive factors for a second BR by multivariate analysis. BR developed within 6 months after HS-RT in 11 (85%) of 13 patients with a PSA-DT < 10 months compared with 1 (17%) of 6 with a PSA-DT ≥ 10 months (median time to BR: 3 vs 14 months, P < 0.05). Despite the small number of patients, our HS-RT protocol seems feasible, and PSA kinetics may be useful for predicting the risk of BR and determining the appropriate follow-up schedule.
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Affiliation(s)
- Hitoshi Ishikawa
- Department of Radiation Oncology, Isesaki Municipal Hospital, Tsunatorimoto 12-1, Isesaki, 372-0802 Gunma, Japan
- Hospital of the National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Anagawa 4-9-7, Inage, 263-8555 Chiba, Japan
| | - Keiko Higuchi
- Department of Radiation Oncology, Isesaki Municipal Hospital, Tsunatorimoto 12-1, Isesaki, 372-0802 Gunma, Japan
| | - Takuya Kaminuma
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Showa 3-39-22, Maebashi, 371-8511 Gunma, Japan
| | - Yutaka Takezawa
- Department of Urology, Isesaki Municipal Hospital, Tsunatorimoto 12-1, Isesaki, 372-0802 Gunma, Japan
| | - Yoshitaka Saito
- Department of Urology, Isesaki Municipal Hospital, Tsunatorimoto 12-1, Isesaki, 372-0802 Gunma, Japan
| | - Toru Etsunaga
- Department of Urology, Isesaki Municipal Hospital, Tsunatorimoto 12-1, Isesaki, 372-0802 Gunma, Japan
| | - Kazushi Maruo
- Department of Biostatistics, Faculty of Medicine, University of Tsukuba, Tennodai 1-1-1, Tsukuba, 305-8575 Ibaraki, Japan
| | - Hidemasa Kawamura
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Showa 3-39-22, Maebashi, 371-8511 Gunma, Japan
| | - Nobuteru Kubo
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Showa 3-39-22, Maebashi, 371-8511 Gunma, Japan
| | - Takashi Nakano
- Hospital of the National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Anagawa 4-9-7, Inage, 263-8555 Chiba, Japan
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Showa 3-39-22, Maebashi, 371-8511 Gunma, Japan
| | - Mikio Kobayashi
- Department of Urology, Isesaki Municipal Hospital, Tsunatorimoto 12-1, Isesaki, 372-0802 Gunma, Japan
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Recommandations françaises du Comité de cancérologie de l’AFU – actualisation 2020–2022 : cancer de la prostate. Prog Urol 2020; 30:S136-S251. [DOI: 10.1016/s1166-7087(20)30752-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Cornford P, van den Bergh RCN, Briers E, Van den Broeck T, Cumberbatch MG, De Santis M, Fanti S, Fossati N, Gandaglia G, Gillessen S, Grivas N, Grummet J, Henry AM, der Kwast THV, Lam TB, Lardas M, Liew M, Mason MD, Moris L, Oprea-Lager DE, der Poel HGV, Rouvière O, Schoots IG, Tilki D, Wiegel T, Willemse PPM, Mottet N. EAU-EANM-ESTRO-ESUR-SIOG Guidelines on Prostate Cancer. Part II-2020 Update: Treatment of Relapsing and Metastatic Prostate Cancer. Eur Urol 2020; 79:263-282. [PMID: 33039206 DOI: 10.1016/j.eururo.2020.09.046] [Citation(s) in RCA: 618] [Impact Index Per Article: 154.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 09/24/2020] [Indexed: 01/17/2023]
Abstract
OBJECTIVE To present a summary of the 2020 version of the European Association of Urology (EAU)-European Association of Nuclear Medicine (EANM)-European Society for Radiotherapy & Oncology (ESTRO)-European Society of Urogenital Radiology (ESUR)-International Society of Geriatric Oncology (SIOG) guidelines on the treatment of relapsing, metastatic, and castration-resistant prostate cancer (CRPC). EVIDENCE ACQUISITION The working panel performed a literature review of the new data (2016-2019). The guidelines were updated, and the levels of evidence and/or grades of recommendation were added based on a systematic review of the literature. EVIDENCE SYNTHESIS Prostate-specific membrane antigen positron emission tomography computed tomography scanning has developed an increasingly important role in men with biochemical recurrence after local therapy. Early salvage radiotherapy after radical prostatectomy appears as effective as adjuvant radiotherapy and, in a subset of patients, should be combined with androgen deprivation. New treatments have become available for men with metastatic hormone-sensitive prostate cancer (PCa), nonmetastatic CRPC, and metastatic CRPC, along with a role for local radiotherapy in men with low-volume metastatic hormone-sensitive PCa. Also included is information on quality of life outcomes in men with PCa. CONCLUSIONS The knowledge in the field of advanced and metastatic PCa and CRPC is changing rapidly. The 2020 EAU-EANM-ESTRO-ESUR-SIOG guidelines on PCa summarise the most recent findings and advice for use in clinical practice. These PCa guidelines are first endorsed by the EANM and reflect the multidisciplinary nature of PCa management. A full version is available from the EAU office or online (http://uroweb.org/guideline/prostate-cancer/). PATIENT SUMMARY This article summarises the guidelines for the treatment of relapsing, metastatic, and castration-resistant prostate cancer. These guidelines are evidence based and guide the clinician in the discussion with the patient on the treatment decisions to be taken. These guidelines are updated every year; this summary spans the 2017-2020 period of new evidence.
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Affiliation(s)
- Philip Cornford
- Department of Urology, Liverpool University Hospitals NHS Trust, Liverpool, UK.
| | | | | | | | | | - Maria De Santis
- Department of Urology, Charité Universitätsmedizin, Berlin, Germany; Department of Urology, Medical University of Vienna, Vienna, Austria
| | - Stefano Fanti
- Department of Nuclear Medicine, Policlinico S. Orsola, University of Bologna, Italy
| | - Nicola Fossati
- Unit of Urology, Division of Oncology, Urological Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Giorgio Gandaglia
- Unit of Urology, Division of Oncology, Urological Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Silke Gillessen
- Oncology Institute of Southern Switzerland, Bellinzona, Switzerland; Università della Svizzera Italiana, Lugano, Switzerland; University of Bern, Bern, Switzerland; Division of Cancer Sciences, University of Manchester, Manchester, UK
| | - Nikolaos Grivas
- Department of Urology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Jeremy Grummet
- Department of Surgery, Central Clinical School, Monash University, Caulfield North, Victoria, Australia
| | - Ann M Henry
- Leeds Cancer Centre, St. James's University Hospital and University of Leeds, Leeds, UK
| | | | - Thomas B Lam
- Academic Urology Unit, University of Aberdeen, Aberdeen, UK; Department of Urology, Aberdeen Royal Infirmary, Aberdeen, UK
| | - Michael Lardas
- Department of Urology, Metropolitan General Hospital, Athens, Greece
| | - Matthew Liew
- Department of Urology, Wrightington, Wigan and Leigh NHS Foundation Trust, Wigan, UK
| | - Malcolm D Mason
- Division of Cancer & Genetics, School of Medicine Cardiff University, Velindre Cancer Centre, Cardiff, UK
| | - Lisa Moris
- Department of Urology, University Hospitals Leuven, Leuven, Belgium; Laboratory of Molecular Endocrinology, KU Leuven, Leuven, Belgium
| | - Daniela E Oprea-Lager
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Location VUmc, Amsterdam, The Netherlands
| | - Henk G van der Poel
- Department of Urology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Olivier Rouvière
- Hospices Civils de Lyon, Department of Urinary and Vascular Imaging, Hôpital Edouard Herriot, Lyon, France; Faculté de Médecine Lyon Est, Université de Lyon, Université Lyon 1, Lyon, France
| | - Ivo G Schoots
- Department of Radiology & Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands; Department of Radiology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Derya Tilki
- Martini-Klinik Prostate Cancer Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany; Department of Urology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Wiegel
- Department of Radiation Oncology, University Hospital Ulm, Ulm, Germany
| | - Peter-Paul M Willemse
- Department of Urology, Cancer Center, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Nicolas Mottet
- Department of Urology, University Hospital, St. Etienne, France
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Gunnlaugsson A, Kjellén E, Bratt O, Ahlgren G, Johannesson V, Blom R, Nilsson P. PSA decay during salvage radiotherapy for prostate cancer as a predictor of disease outcome - 5 year follow-up of a prospective observational study. Clin Transl Radiat Oncol 2020; 24:23-28. [PMID: 32613088 PMCID: PMC7317681 DOI: 10.1016/j.ctro.2020.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 05/25/2020] [Accepted: 05/25/2020] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND AND PURPOSE Biochemical recurrence after prostatectomy is commonly treated with salvage radiotherapy (SRT). In this prospective observational study we investigated the PSA decay rate, determined by predefined serial PSA measurements during SRT, as a predictor for treatment outcome. MATERIALS AND METHODS Between 2013 and 2016, 214 patients were included in the study. The prescribed dose to the prostate bed was 70 Gy in 35 fractions (7 weeks) without hormonal treatment. PSA was measured weekly during SRT. Assuming first order kinetics, a PSA decay-rate constant (k) was calculated for 196 eligible patients. The ability of k to predict disease progression was compared with known clinical prediction parameters using Cox regression, logistic regression and ROC analyses. Disease progression was defined as continuously rising PSA after SRT, PSA increase by ≥0.2 ng/ml above nadir after SRT, hormonal treatment or clinical progression. RESULTS After a median follow up of 4.7 years the estimated failure-free survival at 5 years was 56%. The PSA decay-rate constant (k) was found to be the strongest predictor of disease progression in both uni-and multivariable analyses. CONCLUSION The addition of k to established clinical variables significantly improves the possibility to predict treatment outcome after SRT and could be used to personalize future therapies.
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Affiliation(s)
- Adalsteinn Gunnlaugsson
- Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund University, 221 85 Lund, Sweden
| | - Elisabeth Kjellén
- Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund University, 221 85 Lund, Sweden
| | - Ola Bratt
- Department of Urology, Sahlgrenska University Hospital, 41345 Gothenburg, Sweden
| | - Göran Ahlgren
- Department of Urology and Surgery, Skåne University Hospital, 221 85 Lund, Sweden
| | - Vilberg Johannesson
- Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund University, 221 85 Lund, Sweden
| | - René Blom
- Department of Surgery, Halmstad Hospital, 302 33 Halmstad, Sweden
| | - Per Nilsson
- Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund University, 221 85 Lund, Sweden
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18F-fluciclovine PET CT detection of biochemical recurrent prostate cancer at specific PSA thresholds after definitive treatment. Urol Oncol 2020; 38:636.e1-636.e6. [DOI: 10.1016/j.urolonc.2020.03.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 02/29/2020] [Accepted: 03/21/2020] [Indexed: 11/17/2022]
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Celli M, De Giorgi U, Caroli P, Di Iorio V, Fantini L, Rossetti V, Foca F, Nicolini S, Giganti M, Paganelli G, Matteucci F. Clinical value of negative 68Ga-PSMA PET/CT in the management of biochemical recurrent prostate cancer patients. Eur J Nucl Med Mol Imaging 2020; 48:87-94. [PMID: 32588090 DOI: 10.1007/s00259-020-04914-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/07/2020] [Indexed: 01/30/2023]
Abstract
PURPOSE To evaluate the clinical value of 68Ga-PSMA PET/CT negativity in patients with biochemical recurrent prostate cancer (BCR). METHODS One hundred three BCR patients (median age, 70 years; median PSA, 0.47 ng/mL) with negative 68Ga-PSMA PET/CT, followed up for at least 1 year, were retrospectively identified in a database of 1003 consecutive patients undergoing 68Ga-PSMA PET/CT for BCR. Clinical recurrence (CR) was determined or excluded on follow-up imaging selected as per clinical practice. Clinical recurrence-free survival (CRFS) was computed from the date of negative 68Ga-PSMA PET/CT to the date of evident disease; frequencies of CRFS were described as per ISUP patient subset (subset 1: ISUP grades 1 and 2; subset 2: ISUP grade 3; subset 3: ISUP grades 4 and 5) and other conventional variables. RESULTS In 57 patients out of 103 (55.3%), CR was detected in the prostatic fossa (45.6%), nodes (38.6%), and bone (15.8%). The median CRFS was 15.4 months (range, 12.1-20.5), with a CRFS at 12 months in 61.4% of cases (range, 50.9-70.4) whereas the 24-month CRFS was 34.8% (range, 24-45.8). ISUP subset 1 benefited from significantly longer CRFS compared to subset 2 and subset 3 (median CRFS, 20.5 months, 12.6 months, and 12.1 months, respectively). ISUP subset 3 had significantly poorer 24-month CRFS (9.3%) compared to subset 1 (47.8%) and subset 2 (33.5%). At the univariate and multivariate analyses, the ISUP subset was the only significant risk factor for clinical relapse; ISUP subset 3 and subset 2 patients held a higher risk of CR compared to subset 1 patients (HR of 2.75 [1.35-5.57] for subset 3 versus subset 1; HR of 2.08 [1.11-3.88] for subset 2 versus subset 1). CONCLUSION 68Ga-PSMA PET/CT negativity in early BCR patients (PSA < 0.5 ng/mL) with low-grade primary prostate cancer (ISUP1 and 2) may support the exploration of a clinical surveillance approach in future prospective studies.
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Affiliation(s)
- M Celli
- Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - U De Giorgi
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - P Caroli
- Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - V Di Iorio
- Oncology Pharmacy, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - L Fantini
- Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - V Rossetti
- Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - F Foca
- Unit of Biostatistics and Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - S Nicolini
- Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - M Giganti
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - G Paganelli
- Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy.
| | - F Matteucci
- Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
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Motterle G, Morlacco A, Zattoni F, Karnes RJ. Prostate cancer: more effective use of underutilized postoperative radiation therapy. Expert Rev Anticancer Ther 2020; 20:241-249. [PMID: 32182149 DOI: 10.1080/14737140.2020.1743183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Introduction: Adverse pathological features at radical prostatectomy such as extracapsular extension, seminal-vesicle involvement, positive surgical margins and/or lymph node invasion define a particular subgroup of patients that might benefit from additional treatment after surgery, in particular radiation therapy.Areas covered: Post-prostatectomy radiation is intended as adjuvant, early-salvage or salvage depending on the timing and PSA levels at the treatment. After providing the most used definitions, the high-level evidence supporting adjuvant radiation is reviewed together with the limitations affecting its utilization. In recent years early-salvage radiation was hypothesized to be a non-inferior alternative based on good-quality retrospective data. Recently, preliminary results of ongoing trials provide additional evidence. In light of the need to identify patients that will truly benefit from adjuvant radiation, clinically based and molecular tools available for this purpose are reviewed.Expert opinion: In order to tailor treatment for the patient after radical prostatectomy, there is a need for a tool that could both improve the oncological outcomes and be cost-effective. To date, genomic testing provides the most promising results that will be reasonably improved in the coming years.
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Affiliation(s)
- Giovanni Motterle
- Department of Urology, Mayo Clinic, Rochester, MN, USA.,Department of Surgery, Oncology and Gastroenterology - Urology Clinic, University of Padova, Padova, Italy
| | - Alessandro Morlacco
- Department of Surgery, Oncology and Gastroenterology - Urology Clinic, University of Padova, Padova, Italy
| | - Fabio Zattoni
- Department of Surgery, Oncology and Gastroenterology - Urology Clinic, University of Padova, Padova, Italy
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Abstract
OBJECTIVE. In this article, we discuss the evolving roles of imaging modalities in patients presenting with biochemical recurrence after prostatectomy. CONCLUSION. Multiple imaging modalities are currently available to evaluate patients with prostate cancer presenting with biochemical recurrence after prostatectomy. Multiparametric MRI (mpMRI) focuses on the postsurgical bed as well as regional lymph nodes and bones. PET/CT studies using 18F-fluciclovine, 11C-choline, and prostate-specific membrane antigen (PSMA) ligands are useful in detecting locoregional and distant metastasis. Multiparametric MRI is preferred for patients with low risk of metastasis for localizing recurrence in prostate bed as well as pelvic lymph node and bone recurrence. Moreover, mpMRI aids in guiding biopsy and additional salvage treatments. For patients with high risk of metastatic disease, both mpMRI and whole-body PET/CT may be performed. PET/MRI using 68Ga-PSMA has potential to enable a one-stop shop for local recurrence and metastatic disease evaluation, and clinical trials of PET/MRI are ongoing.
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50
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Coppola A, Platania G, Ticca C, De Mattia C, Bortolato B, Palazzi MF, Vanzulli A. Sensitivity of CE-MRI in detecting local recurrence after radical prostatectomy. Radiol Med 2020; 125:683-690. [PMID: 32078119 DOI: 10.1007/s11547-020-01149-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 02/06/2020] [Indexed: 02/07/2023]
Abstract
AIM The aim of our study was to evaluate the sensitivity of contrast-enhanced magnetic resonance (CE-MR) with phased array coil in the diagnosis of local recurrence in patients with prostate cancer after radical prostatectomy and referred for salvage radiotherapy (SRT). MATERIALS AND METHODS This retrospective study included 73 patients treated with SRT after radical prostatectomy in the period between September 2006 and November 2017. All patients performed a CE-MRI with phased array coil before the start of SRT. A total of 213 patients treated at the ASST Grande Ospedale Metropolitano Niguarda in the period between September 2006 and November 2017 with SRT after radical prostatectomy were reviewed. Seventy-three patients with a CE-MRI with phased array coil of the pelvis before the start of SRT were included in the present study. RESULTS At imaging review, recurrence local recurrent disease was diagnosed in 48 of 73 patients. By considering as reference standard the decrease in prostate-specific antigen (PSA) value after radiotherapy, we defined: 41 true positive (patients with MRI evidence of local recurrence and PSA value decreasing after SRT), 7 false positive (patients with MRI evidence of local recurrence without biochemical response after SRT), 3 true negative (patients without MRI evidence of local recurrence and stable or increased PSA value after SRT) and 22 false negative (patients without MRI evidence of local recurrence and PSA value decreasing after SRT) cases. The sensitivity values were calculated in relation to the PSA value before the start of treatment, obtaining a value of 74% for PSA above 0.2 ng/mL. CONCLUSION The sensitivity of CE-MRI in local recurrence detection after radical prostatectomy increases with increasing PSA values. CE-MRI with phased array coil can detect local recurrences after radical prostatectomy with a good sensitivity in patients with pre-RT PSA value above 0.2 ng/mL.
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Affiliation(s)
| | | | - Cristiana Ticca
- Department of Radiology, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | | | - Barbara Bortolato
- Unit of Radiotherapy, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Mauro F Palazzi
- Unit of Radiotherapy, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Angelo Vanzulli
- Department of Oncology and Hemato-Oncology, Grande Ospedale Metropolitano Niguarda, University of Milan, Milan, Italy
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