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  • Title: Randomised double blind controlled study of recurrence of gastric ulcer after treatment for eradication of Helicobacter pylori infection.
    Author: Axon AT, O'Moráin CA, Bardhan KD, Crowe JP, Beattie AD, Thompson RP, Smith PM, Hollanders FD, Baron JH, Lynch DA, Dixon MF, Tompkins DS, Birrell H, Gillon KR.
    Journal: BMJ; 1997 Feb 22; 314(7080):565-8. PubMed ID: 9055715.
    Abstract:
    OBJECTIVE: To determine whether eradication of Helicobacter pylori infection reduces recurrence of benign gastric ulceration. DESIGN: Randomised, double blind, controlled study. Patients were randomised in a 1:2 ratio to either omeprazole 40 mg once daily for eight weeks or the same treatment plus amoxycillin 750 mg twice daily for weeks 7 and 8. A 12 month untreated follow up ensued. SETTING: Teaching and district general hospitals between 1991 and 1994. SUBJECTS: 107 patients with benign gastric ulcer associated with H pylori. MAIN OUTCOME MEASURES: Endoscopically confirmed relapse with gastric ulcer (analysed with life table methods), H pylori eradication, and healing of gastric ulcers (Mantel-Haenszel test). RESULTS: 172 patients were enrolled. Malignancy was diagnosed in 19; 24 were not infected with H pylori; four withdrew because of adverse events; and 18 failed to attend for start of treatment, leaving 107 patients eligible for analysis (35 omeprazole alone; 72 omeprazole plus amoxycillin). In the omeprazole/amoxycillin group 93% (67/72; 95% confidence interval 84% to 98%) of gastric ulcers healed and 83% (29/35; 66% to 94%) in the omeprazole group (P = 0.103). Eradication of H pylori was 58% (42/72; 46% to 70%) and 6% (2/35; 1% to 19%) (P < 0.001) and relapse after treatment was 22% (16/72) and 49% (17/35) (life table analysis, P < 0.001), in the two groups, respectively. The recurrence rates were 7% (3/44) after successful H pylori eradication and 48% (30/63) in those who continued to be infected (P < 0.001). CONCLUSIONS: Eradication of H pylori reduces relapse with gastric ulcer over one year. Eradication rates achieved with this regimen, however, are too low for it to be recommended for routine use.
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