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Effect on Survival of Androgen Deprivation Therapy Alone Compared to Androgen Deprivation Therapy Combined with Concurrent Radiation Therapy to the Prostate in Patients with Primary Bone Metastatic Prostate Cancer in a Prospective Randomised Clinical Trial: Data from the HORRAD Trial

Boevé, Liselotte M.S. ; Hulshof, Maarten C.C.M. ; Vis, André N. ; Zwinderman, Aeilko H. ; Twisk, Jos W.R. ; Witjes, Wim P.J. ; Delaere, Karl P.J. ; Moorselaar, R. Jeroen A. van ; Verhagen, Paul C.M.S. ; van Andel, George

European urology, 2019-03, Vol.75 (3), p.410-418 [Periódico revisado por pares]

Switzerland: Elsevier B.V

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Título:
Effect on Survival of Androgen Deprivation Therapy Alone Compared to Androgen Deprivation Therapy Combined with Concurrent Radiation Therapy to the Prostate in Patients with Primary Bone Metastatic Prostate Cancer in a Prospective Randomised Clinical Trial: Data from the HORRAD Trial
Autor: Boevé, Liselotte M.S. ; Hulshof, Maarten C.C.M. ; Vis, André N. ; Zwinderman, Aeilko H. ; Twisk, Jos W.R. ; Witjes, Wim P.J. ; Delaere, Karl P.J. ; Moorselaar, R. Jeroen A. van ; Verhagen, Paul C.M.S. ; van Andel, George
Assuntos: Aged ; Androgen Antagonists - adverse effects ; Androgen Antagonists - therapeutic use ; Androgen deprivation therapy ; Bone Neoplasms - blood ; Bone Neoplasms - mortality ; Bone Neoplasms - secondary ; Bone Neoplasms - therapy ; Chemoradiotherapy - adverse effects ; Chemoradiotherapy - mortality ; Disease Progression ; Dose Fractionation, Radiation ; Humans ; Kallikreins - blood ; Local radiotherapy ; Male ; Metastatic prostate cancer ; Middle Aged ; Netherlands ; Progression-Free Survival ; Prospective Studies ; Prostate-Specific Antigen - blood ; Prostatic Neoplasms - blood ; Prostatic Neoplasms - mortality ; Prostatic Neoplasms - pathology ; Prostatic Neoplasms - therapy ; Time Factors
É parte de: European urology, 2019-03, Vol.75 (3), p.410-418
Descrição: The cornerstone of standard treatment for patients with primary bone metastatic prostate cancer (mPCa) is androgen deprivation therapy (ADT). Retrospective studies suggest a survival benefit for treatment of the primary prostatic tumour in mPCa, but to date, no randomised-controlled-trials (RCTs) have been published addressing this issue. To determine whether overall survival is prolonged by adding local treatment of the primary prostatic tumour with external beam radiation therapy (EBRT) to ADT. The HORRAD trial is a multicentre RCT recruiting 432 patients with prostate-specific antigen (PSA) >20ng/ml and primary bone mPCa on bone scan between 2004 and 2014. Patients were randomised to either ADT with EBRT (radiotherapy group) or ADT alone (control group). Primary endpoint was overall survival. Secondary endpoint was time to PSA progression. Crude and adjusted analyses were applied to evaluate treatment effect. Median PSA level was 142ng/ml and 67% of patients had more than five osseous metastases. Median follow up was 47 mo. Median overall survival was 45 mo (95% confidence interval [CI], 40.4–49.6) in the radiotherapy group and 43 mo (95% CI: 32.6–53.4) in the control group (p=0.4). No significant difference was found in overall survival (hazard ratio [HR]: 0.90; 95% CI: 0.70–1.14; p=0.4). Median time to PSA progression in the radiotherapy group was 15 mo (95% CI: 11.8–18.2), compared with 12 mo (95% CI: 10.6–13.4) in the control group. The crude HR (0.78; 95% CI: 0.63–0.97) was statistically significant (p=0.02). The current RCT comparing ADT to ADT with EBRT to the prostate in patients with primary bone mPCa did not show a significant difference in overall survival, although the CI cannot exclude a substantial survival benefit. Further research is needed to confirm our findings. This study investigated the effect of adding radiation therapy to the prostate to hormonal therapy in prostate cancer patients with metastasis to the bone at diagnosis. In our patient group, additional radiotherapy did not improve overall survival. Further research is needed to confirm our findings. Adding radiotherapy to the prostate in patients with bone metastatic prostate cancer does not improve overall survival. In the current randomised controlled trial, there is no improvement in overall survival when comparing androgen deprivation therapy alone to androgen deprivation therapy with concurrent radiotherapy to the prostate in patients with primary bone metastatic prostate cancer.
Editor: Switzerland: Elsevier B.V
Idioma: Inglês

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Effect on Survival of Androgen Deprivation Therapy Alone Compared to Androgen Deprivation Therapy Combined with Concurrent Radiation Therapy to the Prostate in Patients with Primary Bone Metastatic Prostate Cancer in a Prospective Randomised Clinical Trial: Data from the HORRAD Trial

Boevé, Liselotte M.S. ; Hulshof, Maarten C.C.M. ; Vis, André N. ; Zwinderman, Aeilko H. ; Twisk, Jos W.R. ; Witjes, Wim P.J. ; Delaere, Karl P.J. ; Moorselaar, R. Jeroen A. van ; Verhagen, Paul C.M.S. ; van Andel, George

Switzerland: Elsevier B.V

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