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- Title
Androgen deprivation therapy during and after post-prostatectomy radiotherapy in patients with prostate cancer: a case control study.
- Authors
Kim, Myong; Song, Cheryn; Jeong, In Gab; Choi, Seung-Kwon; Park, Myungchan; Shim, Myungsun; Kim, Young Seok; You, Dalsan; Hong, Jun Hyuk; Kim, Choung-Soo; Ahn, Hanjong
- Abstract
<bold>Background: </bold>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.<bold>Methods: </bold>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.<bold>Results: </bold>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).<bold>Conclusions: </bold>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.
- Subjects
PROSTATE cancer patients; PROSTATE cancer treatment; ANDROGENS; PROSTATECTOMY; CANCER radiotherapy; ANTIANDROGENS; PROSTATE tumors treatment; CANCER relapse; COMBINED modality therapy; LONGITUDINAL method; PROGNOSIS; PROSTATE tumors; RADIATION doses; SURVIVAL; RETROSPECTIVE studies; CASE-control method; SALVAGE therapy; CANCER treatment; THERAPEUTICS
- Publication
BMC Cancer, 2018, Vol 18, p1
- ISSN
1471-2407
- Publication type
journal article
- DOI
10.1186/s12885-018-4189-9