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- Title
Natural history of castration-resistant prostate cancer in sub-Saharan African black men: a single-centre study of Nigerian men.
- Authors
Bello, Jibril O.
- Abstract
Purpose: Native sub-Saharan African black men (SSBM) are disproportionately impacted by higher stage and incurable forms of prostate cancer (PCa). This study evaluates the natural history and survival of a cohort of SSBM with castration-resistant prostate cancer (CRPC). Methods: A retrospective study of patients with CRPC as defined by the Prostate Cancer Working Group 2 managed at a centre in sub-Saharan Africa between January 2011 and December 2015 was conducted. The principal endpoint was overall survival (OS). Potential prognostic variables were evaluated using Cox proportional hazard regression models. Results: A total of 48 patients were identified. Median (IQR) age and prostate-specific antigen (PSA) at diagnosis were 70 (64-74.5) years and 42 (8.0-123.6) ng/mL, respectively. Only 15 (31.3%) patients received docetaxel and one patient each received the novel drugs enzalutamide and abiraterone. Twenty-eight patients (58.3%) died during follow-up with a median OS of 11 (95% CI: 8-14) months. Docetaxel chemotherapy and ECOG performance status were found to be prognostic (docetaxel use: hazard ratio 0·25, 95% CI 0·10-0·67, p = 0·006; ECOG 0-2: 0·26, 0·11-0·62, p = 0·003). Conclusion: This study of SSBM with CRPC revealed a mainly unmodulated clinical course with poor access to active treatments and poor survival. Improving access to new active therapies would improve survival.
- Subjects
CASTRATION-resistant prostate cancer; BLACK men; DOCETAXEL; DISEASES; CANCER treatment; SUB-Saharan Africans
- Publication
Ecancermedicalscience, 2018, Vol 12, Issue 792-818, p1
- ISSN
1754-6605
- Publication type
Article
- DOI
10.3332/ecancer.2018.797