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Background:

Prokinetic agents have shown variable efficacy in the treatment of functional dyspepsia. Mosapride is a new prokinetic 5-hydroxytryptamine-4 agonistic agent.

Aim:

To evaluate the efficacy of three dosage regimens of mosapride compared with placebo in the treatment of functional dyspepsia.

Methods:

Patients were randomly allocated to treatment with placebo or mosapride (5 mg b.d., 10 mg b.d. or 7.5 mg t.d.s.) in a double-blind, prospective, multicentre, multinational study. The change in symptom severity score from an untreated baseline week to the sixth week of treatment was used to compare treatment efficacy.

Results:

There were 141, 140, 143 and 142 patients valid for evaluation in the intention-to-treat population in the placebo, mosapride 5 mg b.d., mosapride 10 mg b.d. and mosapride 7.5 mg t.d.s. groups, respectively. The mean changes in the overall dyspeptic symptom score were – 0.90, – 0.94, – 0.88 and – 0.89, respectively, and the proportions of patients feeling better at the end of the treatment period were 60%, 59%, 59% and 61%, respectively. No statistically significant difference was seen.

Conclusions:

Treatment of functional dyspepsia with mosapride was not superior to placebo. The result raises the question of whether treatment with prokinetic agents is appropriate for functional dyspepsia.