Title |
Androgen deprivation therapy during and after post-prostatectomy radiotherapy in patients with prostate cancer: a case control study
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Published in |
BMC Cancer, March 2018
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DOI | 10.1186/s12885-018-4189-9 |
Pubmed ID | |
Authors |
Myong Kim, Cheryn Song, In Gab Jeong, Seung-Kwon Choi, Myungchan Park, Myungsun Shim, Young Seok Kim, Dalsan You, Jun Hyuk Hong, Choung-Soo Kim, Hanjong Ahn |
Abstract |
Here we assessed the influence of androgen deprivation therapy (ADT) during and/or after post-prostatectomy radiotherapy (RT) on biochemical recurrence (BCR) and radiographic progression in patients with prostate cancer. Patients with prostate cancer who underwent post-prostatectomy RT were analyzed. BCR and radiographic progression after RT were compared according to the concurrent or salvage ADT. Cox regression analyses were used to identify risk factors for BCR and radiographic progression. Of the 227 patients who underwent post-prostatectomy RT, 95 (41.9%) received concurrent ADT for a median of 17.0 months. Despite more aggressive disease characteristics in the concurrent ADT group than in the RT-only group, the former had a better 5-year BCR-free survival rate than the latter (66.1 vs. 53.9%; p = 0.016), whereas the radiographic progression rate was not significantly different between two groups. On the other hand, salvage ADT after post-RT BCR significantly delayed radiographic progression (5-year radiographic progression-free survival; 75.2 vs. 44.5%; p = 0.002). Concurrent ADT improved BCR-free survival, and salvage ADT after post-RT BCR improved radiographic progression-free survival. To maximize the oncological benefit, ADT of sufficient duration should be implemented. |
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