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자료유형
학술저널
저자정보
김기범 (서울대학교) 조정기 (서울대학교) 안소연 (서울대학교) 이상철 (서울대학교) 정성진 (서울대학교) 홍성규 (서울대학교) 변석수 (서울대학교) 이상은 (서울대학교)
저널정보
대한비뇨기과학회 Investigative and Clinical Urology Investigative and Clinical Urology Vol.56 No.8
발행연도
2015.1
수록면
580 - 586 (7page)

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Purpose: Few data are available concerning the clinical outcome of abiraterone acetate treatment in patients with metastaticcastration-resistant prostate cancer (mCRPC) in terms of the duration of androgen deprivation therapy (ADT) before diagnosis ofCRPC. We investigated the clinical efficacy of abiraterone acetate according to the duration of ADT. Materials and Methods: We reviewed the medical records of 20 patients with mCRPC who received abiraterone acetate afterfailure of docetaxel chemotherapy from May 2012 to March 2014 at Seoul National University Bundang Hospital. Clinical factorsincluding prostate-specific antigen (PSA) nadir level, time to PSA nadir, PSA doubling time, PSA response, and modes of progression(PSA, radiologic, clinical) were analyzed. Disease progression was classified according to the Prostate Cancer Working Group 2criteria. Results: The mean age and PSA value of the entire cohort were 76.0±7.2 years and 158.8±237.9 ng/mL, respectively. The medianfollow-up duration was 13.4±6.7 months. There were no statistically significant differences in clinical characteristics between patientswho received abiraterone acetate with ADT duration<35 months and those who received abiraterone acetate with ADT duration≥35 months. There were also no significant differences in terms of PSA progression-free survival, radiologic progression-freesurvival, and clinical progression-free survival between patients with ADT duration<35 months and those with ADT duration ≥35months. Conclusions: Although this was a retrospective study with a small sample size, we did not observe any statistically significant differencesin the clinical response to abiraterone acetate between mCRPC patients with long ADT duration and those with short ADTduration in terms of disease progression-free survival.

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