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Helicobacter pylori and gastric cancer: current status of the Austrian-Czech-German gastric cancer prevention trial (PRISMA-Study)

引用

World Journal of Gastroenterology 2001年第2期7卷 243-247页

作者： S.Miehlke C.Kirsch B.Dragosics M.Gschwantler G.Oberhuber D.Antos P.Dite J.Lauter J.Labenz A.Leodolter P.Malfertheiner A.Neubauer G.Ehninger M.Stolte E.Bayerdorffer Medical Department I GastroenterologyHematologyOncologyPulmonology & Infectious DiseasesTechnical University Hospital Carl Gustav CarusDresdenGermany Gesundheitszentrum Süd ViennaAustria Medical Department 4 Krankenanstalt RudolfstiftungViennaAustria Institute for Pathology General HospitalViennaAustria Surgical Department Ludwig-Maximilians-University Hospital GroβhadernMunichGermany Univerzitni nemocnice Jihlavska Brno-BohuniceCzech Republic Institute for Medical Statistics Otto-von-Guericke-UniversityMagdeburgGermany Department of Medicine Evang. Jung-Stilling HospitalSiegenGermany Department of Gastroenterology Otto-v.-Guericke University HospitalMagdeburgGermany Department for Hematology Oncology&ImmunologyUniversity Hospital MarburgGermany Institute of Pathology Klinikum BayreuthBayreuthGermany

AIM To test the hypothesis that Helicobacter pylori eradication alone can reduce the incidence of gastric cancer in a subgroup of individuals with an increased risk for this fatal *** It is a prospective, randomized,double-blind, placebo-controlled multinational multicenter trial. Men between 55 and 65 years of age with a gastric cancer phenotype of Helicobacterpylori gastritis are randomized to receive a 7-day course of omeprazole 2 × 20 mg,clarithromycin 2 × 500 mg, and amoxicillin 2 ×lg for 7 days, or omeprazole2 × 20mg plusplacebo. Follow - up endoscopy is scheduled 3months after therapy, and thereafter in one-year intervals. Predefined study endpoints are gastric cancer, precancerous lesions (dysplasia, adenoma), other cancers, *** Since March 1998, 1524 target patients have been screened, 279 patients (18.3%) had a corpus-dominant type of *** gastritis, and 167 of those were randomized (58.8%). In the active treatment group (n -- 86), H. pylori infection infection was cured in 88.9% of patients. Currently, thecumulative follow-up time is 3046 months (253.8patient-years, median follow-up 16 months). So far, none of the patients developed gastric cancer or any precancerous lesion. Three(1.8%) patients reached study endpoints other than gastric *** Among men between 55 and 65years of age, the gastric cancer phenotype of *** gastritis appears to be more common than expected. Further follow- up and continuing recruitment are necessary to fulfil the main aim of the study.

关键词： Helicobacter pylori Helicobacter infections/complications Helicobacter infections/drug therapy stomach neoplasms /microbiology stomach neoplasms/drug therapy gastritis/microbiology gastritis/drug therapy

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