West Asia Organization for Cancer Prevention (WAOCP), APOCP's West Asia Chapter. Asian Pacific Journal of Cancer Prevention 1513-7368 14 7 2013 07 01 Hypoxia-inducible Factor 1 Alpha (HIF-1α) as a Prognostic Indicator in Patients with Gastric Tumors: A Meta-analysis 4195 4198 27929 EN Journal Article 1970 01 01 Background and Objective: Though researched for years, the prognostic role of hypoxia-inducible factor1 alpha (HIF-1α) in gastric cancer is still controversial. We thus undertook a systematic review to assess therelationship. Method: A systematically literature search of Pubmed, Embase, Web of Science, China BiologicalMedicine Disc and Cochrane Library was undertaken in February 2013, and the reference lists of articles wereretrieved. Results: 12 trials (1,555 participants) were included to assess the association between HIF-1α expressionand survival. Summary hazard ratios (HRs) were calculated. HIF-1α expression was significantly correlatedwith poor overall survival of gastric cancer patients (HR=1.34, 95%CI: 1.13-1.58; P=0.0009), but not with poordisease free survival of gastric cancer patients (HR=1.67, 95%CI: 0.99-2.82; P=0.06). Conclusion: HIF-1α wasassociated with poor OS, but not DFS, especially for Asian patients. But studies evaluating relationships of HIF-1α with OS and DFS in non-Asian gastric cancer patients appear needed.

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