Cost Effectiveness of Helicobacter pylori Eradication Therapies in Patients with Duodenal Ulcer

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Abstract
Objective: Recent research has focused on eradication therapy as the principal treatment of patients with duodenal ulcers and Helicobacter pylori infection. The aim of this study was to analyse the cost effectiveness of triple therapy versus 2 dual therapies. Design: A health economic evaluation of triple therapy with lansoprazole, amoxicillin and clarithromycin versus 2 dual therapies (lansoprazole or omeprazole, each with amoxicillin) in the eradication of Helicobacter pylori in patients with duodenal ulcers was performed in parallel with a randomised clinical trial. Direct and indirect costs were estimated for 1 year using data elicited from patient questionnaires and from the clinical trial. Main outcome measures and results: Despite the initial drug cost for triple therapy being 650 Swedish kronor (SEK; 1996 values) higher, the average total direct cost in this group was only SEK150 to SEK200 higher than in the dual therapy groups. This was a result of fewer outpatient visits and lower drug use after treatment failure in the triple therapy group. Triple therapy had a more favourable cost-effectiveness ratio than the dual therapies. Conclusion: In spite of higher initial antimicrobial costs, triple therapy with lansoprazole, amoxicillin and clarithromycin is more cost effective than dual therapy because of a higher eradication rate and greater symptom relief.