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Revista Colombiana de Cancerología

versão impressa ISSN 0123-9015


ANGULO, Javier et al. Survival of Castration-Resistant Prostate Cancer in Clinical Practice and the Role of Treatment. rev.colomb.cancerol. [online]. 2017, vol.21, n.2, pp.95-103. ISSN 0123-9015.


To assess, in a clinical practice context, the survival advantages of patients with castration-resistant prostate cancer (CRPC) actively treated with several treatments that include abiraterone acetate (AA) and prednisone, with or without docetaxel.

Material and Methods:

An analysis was performed on patient survival with CRPC, and was compared to a group treated with AA and prednisone (n = 33), with a historical control treated exclusively with anti-androgen withdrawal and palliative measures (n = 31). In the population actively treated, variables predictive of prognosis were analysed, as well as an evaluation of the overall response to AA and radiographic progression-free survival.


Cancer-specific survival at 2 years was 79% for patients actively treated and 17.2% for control group (P<.0001). Five (38.5%) of 13 patients treated with AA post-docetaxel received second-line chemotherapy after AA (4 cabazitaxel, 1 vinorelbine), and one (7.7%) enzalutamide.

Three (15%) of 20 patients treated with AA without chemotherapy received enzalutamide and

1(5%) docetaxel. The younger patients (<65yrs; P=.02) without metastases at diagnosis (P=.04) had better prognoses. Patients with higher PSA levels (>45 ng/ml; P=.09) and a Gleason pattern 5 in the biopsy had less favourable outcomes. There was a 75.8% over response to AA (80% preand 69.2%post-chemotherapy; P=.1), and 69.2%post-chemotherapy; P=.1), and 52.4% were radiographic progression-free at 1 year of treatment (47.9% pre- and 49.8% post-chemotherapy; P=.3).


Treatment of CRPC patients extends survival expectations in a clinical practice setting and prognostic predictors can be identified in these patients.

Palavras-chave : Castration-resistant prostate cancer; Treatment; Abiraterone Acetate; Systemic chemotherapy; Survival; Prognostic factors.

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