This multicenter, open-label study assessed the clinical efficacy and tolerability of the proton-pump inhibitor rabeprazole 20 mg once daily in 189 patients with functional dyspepsia and normal findings on upper endoscopy. The clinical efficacy rate was 86% after only 4 weeks of treatment, and symptoms remained under control at the end of 4 weeks without treatment. Rabeprazole was well tolerated and was associated with a low incidence (8%) of mild, transient adverse events.

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