幽门螺杆菌、大蒜和维生素治疗对胃癌发生率和死亡率的15年影响

Fifteen-year effects of helicobacter pylori, garlic, and vitamin treatments on gastric cancer incidence and mortality
2012-04-20 12:57点击:1928次发表评论
作者:Ma, J.-L Zhang, L Brown, L.M Li, J.-Y Shen, L Pan,
期刊: J NATL CANCER I2012年4月6期104卷

In the Shandong Intervention Trial, 2 weeks of antibiotic treatment for Helicobacter pylori reduced the prevalence of precancerous gastric lesions, whereas 7.3 years of oral supplementation with garlic extract and oil (garlic treatment) or vitamin C, vitamin E, and selenium (vitamin treatment) did not. Here we report 14.7-year follow-up for gastric cancer incidence and cause-specific mortality among 3365 randomly assigned subjects in this masked factorial placebo-controlled trial. Conditional logistic regression was used to estimate the odds of gastric cancer incidence, and the Cox proportional hazards model was used to estimate the relative hazard of cause-specific mortality. All statistical tests were two-sided. Gastric cancer was diagnosed in 3.0% of subjects who received H pylori treatment and in 4.6% of those who received placebo (odds ratio = 0.61, 95% confidence interval = 0.38 to 0.96, P =. 032). Gastric cancer deaths occurred among 1.5% of subjects assigned H pylori treatment and among 2.1% of those assigned placebo (hazard ratio [HR] of death = 0.67, 95% CI = 0.36 to 1.28). Garlic and vitamin treatments were associated with non-statistically significant reductions in gastric cancer incidence and mortality. Vitamin treatment was associated with statistically significantly fewer deaths from gastric or esophageal cancer, a secondary endpoint (HR = 0.51, 95% CI = 0.30 to 0.87; P =. 014).
 

学科代码:内科学 肿瘤学 其他   关键词:幽门螺杆菌、大蒜和维生素治疗对胃癌发生率和死亡率的15年影响
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