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| Prognostic role of diabetes mellitus in hepatocellular carcinoma patients after curative treatments: a meta-analysis |
| Wei-Min Wang, Yang Xu, Xin-Rong Yang, Yao-Hui Wang, Hai-Xiang Sun and Jia Fan |
Shanghai, China
Author Affiliations: Institute of Biomedical Sciences, Fudan University, Shanghai 200032, China (Wang WM and Sun HX); Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, and Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China (Xu Y, Yang XR and Fan J); Fudan University Shanghai Cancer Center, Shanghai 200032, China (Wang YH)
Corresponding Author: Jia Fan, MD, PhD, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China (Tel: 86-21-64037181; Email: jiafan99@yahoo.com) |
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Abstract BACKGROUND: The prognostic role of diabetes mellitus (DM) coexisting with hepatocellular carcinoma (HCC) remains controversial. To clarify its impact on survival in HCC patients after curative treatments, a meta-analysis was performed.
DATA SOURCES: Eligible studies were identified through multiple search strategies in the databases PubMed (MEDLINE), EMBASE, the Cochrane Library and ACP Journal Club between January 1950 and March 2010. Ten studies fulfilled the inclusion criteria, and data were aggregated comparing overall survival and recurrence-free survival in HCC patients according to DM status.
RESULTS: The pooled hazard ratios (HRs) estimate for overall survival was 1.34 (95% CI, 1.18-1.51; P<0.0001) and for recurrence-free survival was 1.48 (95% CI, 1.00-2.18; P<0.0001), showing a worse survival for HCC with coexisting DM. However, the patients with DM had a shorter survival time in HCV-related HCC (HR=1.71; 95% CI, 1.10-2.66; P=0.016), while HBV-related cases were not significantly different (HR=1.29; 95% CI, 0.69-2.40; P=0.182). Meanwhile, the coexistence of DM impaired overall survival in HCC patients with a small tumor burden (HR=1.63; 95% CI, 1.25-2.12; P<0.0001).
CONCLUSION: HCC patients with coexisting DM have a shorter survival time and a higher risk for tumor recurrence after curative treatments, while the precise value should be defined in more clinical trials with consistent methodology, especially prospective studies.
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2011, Vol. 10 
