Regression of duodenal gastric metaplasia in Helicobacter pylori positive patients with duodenal ulcer disease. Factors affecting Helicobacter pylori eradication using a seven-day triple therapy with a proton pump inhibitor, tinidazole and clarithromycin, in Brazilian patients with peptic ulcer. Rx drugs

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BACKGROUND: Treatment strategies that abolish abnormal reflux could prevent long-term complications of gastro-oesophageal reflux disease. AIMS: To compare the efficacy of laparoscopic fundoplication and lansoprazole in abolishing abnormal reflux in patients with gastro-oesophageal reflux disease. PATIENTS: Study population comprised 130 patients referred for possible antireflux surgery and with heartburn as the dominant symptom. METHODS: After oesophageal manometric and pH-metric evaluation and detailed information 55 patients asked to undergo laparoscopic antireflux surgery while 75 chose a medical treatment regimen based on lansoprazole. Treatment efficacy was assessed by ambulatory oesophageal pH-monitoring. RESULTS: All 55 patients who underwent fundoplication became free of heartburn: oesophageal pH-monitoring gave normal results in 85%. In patients treated with lansoprazole, at individualized daily dosages titrated to abolish both heartburn and abnormal acid reflux, normal pH-metric results were obtained in 96% of cases (p<0.05 vs surgically treated patients). CONCLUSIONS: Lansoprazole at individualized dosages was significantly more effective than laparoscopic fundoplication, in the short-term, in abolishing abnormal reflux in gastro-oesophageal reflux disease patients.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11926567&dopt=Abstract

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Dig Liver Dis. 2002 Jan;34(1):16-21.
Regression of duodenal gastric metaplasia in Helicobacter pylori positive patients with duodenal ulcer disease.

Ciancio G, Nuti M, Orsini B, Iovi F, Ortolani M, Palomba A, Amorosi A, Surrenti E, Ilani SM, Surrenti C.

Department of Clinical Pathophysiology, Institute of Pathology, University of Florence, Italy.

BACKGROUND: It is unclear whether the extent of duodenal gastric metaplasia is due to Helicobacter pylori and/or acid. AIMS: To investigate the role of Helicobacter pylori eradication in the regression of duodenal gastric metaplasia in patients with duodenal ulcer maintained in acid suppression conditions. METHODS:. Duodenal (anterior, superior inferior walls of first part of duodenum) and gastric antrum biopsies were obtained from 44 Helicobacter pylori positive duodenal ulcer patients. Helicobacter pylori infection was diagnosed by rapid urease test, histology and 13C-Urea Breath Test. Patients were treated with 20 mg omeprazole tid associated with 250 mg clarithromycin and 500 mg amoxycillin four times daily for 10 days and maintained with 20 mg omeprazole daily for 18 weeks. Control endoscopies were performed at 6 and 18 weeks after beginning treatment. RESULTS: Duodenal gastric metaplasia regression was observed in all (32/32) patients in whom Helicobacter pylori was eradicated, but in only 3 out of 6 patients in whom eradication was not achieved (p<0. 001). CONCLUSIONS:. The present results suggest that Helicobacter pylori eradication associated with prolonged acid suppression may represent a good therapeutic strategy to achieve duodenal gastric metaplasia regression and highlight the combined role of acid and Helicobacter pylori in the pathogenesis of duodenal gastric metaplasia.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11926569&dopt=Abstract

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Rev Hosp Clin Fac Med Sao Paulo. 2001 Jan-Feb;56(1):11-6.
Factors affecting Helicobacter pylori eradication using a seven-day triple therapy with a proton pump inhibitor, tinidazole and clarithromycin, in Brazilian patients with peptic ulcer.

Silva FM, Zaterka S, Eisig JN, Chehter EZ, Chinzon D, Laudanna AA.

Department of Gastroenterology, Hospital das Clinicas, Faculty of Medicine, University of Sao Paulo.

Triple therapy is accepted as the treatment of choice for H. pylori eradication. In industrialized countries, a proton pump inhibitor plus clarithromycin and amoxicillin or nitroimidazole have shown the best results. Our aims were: 1. To study the eradication rate of the association of a proton pump inhibitor plus tinidazole and clarithromycin on H. pylori infection in our population. 2. To determine if previous treatments, gender, age, tobacco, alcohol use, and non-steroidal anti-inflammatory drugs (NSAIDs) change the response to therapy. METHODS: Two hundred patients with peptic ulcer (upper endoscopy) and H. pylori infection (histology and rapid urease test - RUT) were included. A proton pump inhibitor (lanzoprazole 30 mg or omeprazole 20 mg), tinidazole 500 mg, and clarithromycin 250 mg were dispensed twice a day for a seven-day period. Eradication was assessed after 10 to 12 weeks of treatment through histology and RUT. RESULTS: The eradication rate of H. pylori per protocol was 65% (128/196 patients). This rate was 53% for previously treated patients, rising to 76% for not previously treated patients, with a statistical difference p<0.01. No significant difference was observed regarding sex, tobacco use, alcohol consumption, and NSAID use, but for elderly patients the difference was p = 0.05. Adherence to treatment was good, and side effects were mild. CONCLUSIONS: A proton pump inhibitor, tinidazole, and clarithromycin bid for seven days resulted in H. pylori eradication in 65% of the patients. Previous treatments were the main cause of treatment failure.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11378678&dopt=Abstract

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