Does Helicobacter pylori eradication therapy prevent gastric cancer?September 25, 2009Although it has been demonstrated that Helicobacter pylori causes gastric cancer, it is still controversial that whether H. pylori eradication therapy is effective in primary prevention of gastric cancer. This is especially important for Yamagata Prefecture, a region of Japan with the second highest incidence of gastric cancer in the world. A research article to be published on September 14, 2009 in the World Journal of Gastroenterology addresses this question. A research team led by Dr. Katsuhiro Mabe from Division of Gastroenterology of KKR Sapporo Medical Center did a multicenter, prospective cohort study in residents of Yamagata Prefecture between 2000 and 2007. They compared the incidence of gastric cancer between patients with H. pylori-positive peptic ulcer who underwent H. pylori eradication (eradication group) or conventional antacid therapy (non-eradication group) at the patients' discretion. A total of 4133 patients with a mean age of 52.9 years were registered, and 56 cases of gastric cancer were found over a mean follow-up period of 5.6 years. The sex- and age-adjusted incidence ratio of gastric cancer in the eradication group, as compared with the non-eradication group, was 0.58 (95% CI: 0.28-1.19). The ratios by follow-up period of < 1 year, 1-3 years, and > 3 years were 1.16 (0.27-5.00), 0.50 (0. 17-1.49), and 0.34 (0.09-1.28), respectively, which indicated that longer follow-up tended to be associated with better prevention of gastric cancer. There was no significant difference in incidence of gastric cancer between patients with and without successful eradication therapy. However, among patients with duodenal ulcer, which is more common in younger individuals, the incidence of cancer was significantly less in those with successful eradication. The results of the study, which revealed no overall prevention of gastric cancer by eradication therapy for peptic ulcer during observation highlight the importance of longer and careful follow-up after eradication therapy. Furthermore, the significant efficacy of treatment observed in younger patients suggests the need to eradicate H. pylori as early as possible. World Journal of Gastroenterology |
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| Related Helicobacter Pylori Current Events and Helicobacter Pylori News Articles Exposure to several common infections over time may be associated with risk of stroke Cumulative exposure to five common infection-causing pathogens may be associated with an increased risk of stroke, according to a report posted online today that will appear in the January 2010 print issue of Archives of Neurology, one of the JAMA/Archives journals. Is short-term Celecoxib intervention a effective method for preventing gastric carcinogenesis? Since the isolation and culture of Helicobacter pylori (H. pylori) in 1983, this bacterium has become accepted as an important human pathogen for the development of gastritis, peptic ulcer, and gastric cancer. A new explanation of 'Asian paradox' Although Helicobacter pylori (H. pylori) has been classified as a class I (or definite) carcinogen by World Health Organization (WHO), the controversy as to why only a minority of infected patients develop gastric cancer still remains. Propolis has proved to be a product with ability to have beneficial effects for health Growing concerns about health has caused the scientific community to focus their interest on investigating functional foods which contribute to boosting the prevention and reduction of the risk of suffering from certain illnesses. Will genomics help prevent the next pandemic? This week, the Public Library of Science, an open-access publisher, presents the "Genomics of Emerging Infectious Disease," a collection of essays, perspectives, and reviews that explores how genomics-with all its associated tools and techniques-can provide insights into our understanding of emerging infectious disease. Protein interaction network can respond Helicobacter pylori infection? Helicobacter pylori (H pylori) is a gram negative bacterium which infects about 50% of the world population. H pylori colonization causes a strong systemic immune response. Taking sharper aim at stomach ulcer bacteria Scientists are reporting discovery of a much sought after crack in the armor of a common microbe that infects the stomachs of one-sixth of the world's population, causing stomach ulcers and other diseases. Care-seeking behavior associated with 'upper-GI symptoms' Patients with upper gastrointestinal (GI) complaints visit their general practitioner (GP) more often than patients with other conditions. Uncovering the secrets of ulcer-causing bacteria A team of researchers from Boston University, Harvard Medical School and Massachusetts Institute of Technology recently made a discovery that changes a long held paradigm about how bacteria move through soft gels. Childhood adversities have a predictive role in peptic ulcer Helicobacter pylori, nonsteroidal anti-inflammatory drug use and smoking are the most important risk factors for peptic ulcer. More Helicobacter Pylori Current Events and Helicobacter Pylori News Articles |
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