ORIGINAL ARTICLE
Year : 2018  |  Volume : 20  |  Issue : 6  |  Page : 561-566

Prognostic role of chromogranin A in castration-resistant prostate cancer: A meta-analysis


Department of Urology, Peking University First Hospital and Institute of Urology, National Research Centre for Genitourinary Oncology, Beijing 100034, China

Correspondence Address:
Li-Qun Zhou
Department of Urology, Peking University First Hospital and Institute of Urology, National Research Centre for Genitourinary Oncology, Beijing 100034, China

Xue-Song Li
Department of Urology, Peking University First Hospital and Institute of Urology, National Research Centre for Genitourinary Oncology, Beijing 100034, China

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aja.aja_57_18

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We aimed to investigate the prognostic value of chromogranin A (CgA) in castration-resistant prostate cancer (CRPC). We conducted a systematic literature search of PubMed, Web of Science, and EMBASE for citations published prior to September 2017 that described CgA and CRPC and performed a standard meta-analysis on survival outcomes. Our meta-analysis included eight eligible studies with 686 patients. The results were as follows: progression-free survival (PFS) was associated with CgA level (hazard ratio [HR] = 2.47, 95% confidence interval [CI]: 1.47–4.14, P = 0.0006); PFS was relative to CgA change (HR = 9.22, 95% CI: 3.03–28.05, P < 0.0001); and overall survival (OS) was relative to CgA level (HR = 1.47, 95% CI: 1.15–1.87, P = 0.002). When we divided the patients into two groups according to therapy status, the result for OS relative to CgA level was an HR of 1.26 (95% CI: 1.09–1.45, P = 0.001) in the first-line hormonal therapy group, and an HR of 2.33 (95% CI: 1.40–3.89, P = 0.001) in the second-line hormonal therapy or chemotherapy group. This meta-analysis indicated that a high CgA level had a negative influence on OS and PFS in CRPC patients. In addition, CRPC patients with a rising CgA had a shorter PFS. Further studies are needed to verify the prognostic value of CgA in CRPC.


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