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Helicobacter pylori eradication--comparison of three drug regimens and symptomatic assessment in duodenitis and antral gastritis.

Helicobacter pylori (Hp) eradication in peptic ulcer disease is associated with a greatly reduced recurrence rate. The optimal drug regimen for HP eradication remains uncertain. It is also unclear if eradication of Hp in duodenitis and antral gastritis improves symptoms. The aims of this study were to compare the efficacy of three drug regimens in the eradication of Hp and to assess if Hp eradication improved symptoms in patients with duodenitis and antral gastritis. Patients (n = 79) found to have duodenal ulcer, duodenitis and/or antral gastritis with a positive urease test (CLO) at endoscopy were allocated to one of the three regimens: A. omeprazole 20 mg b.d. and clarithromycin 500 mg t.d.s. for two weeks (n = 27), B. De-Nol 240 mg b.d. for four weeks, metronidazole 400 mg t.d.s. and amoxicillin 500 mg t.d.s. for one week (n = 26), and C. omeprazole 20 mg b.d. and amoxicillin 500 mg t.d.s. for two weeks (n = 26). In conclusion, traditional 'triple' therapy with bismuth and two antibiotics achieved the highest Hp eradication rate and was best tolerated. Recolonisation with Hp was uncommon after eradication. Dyspeptic symptoms improved with Hp eradication in duodenitis and antral gastritis.