Effect of treatment with cisapride alone or in combination with domperidone on gastric emptying and gastrointestinal symptoms in dyspeptic patients.

The effects on gastric emptying and gastrointestinal symptoms of treatment with cisapride alone and in combination with domperidone were investigated in 25 patients with chronic idiopathic dyspepsia. In a double-blind study, 9 patients were randomly assigned to receive cisapride 2.5 mg three times daily, and 8 patients to receive placebo. After 7 days of treatment, gastric emptying was significantly accelerated and the score of gastrointestinal symptoms was significantly reduced in patients treated with cisapride. Placebo treatment had no significant effect. A randomized, double-blind crossover study of 8 patients compared the effects of combined treatment with cisapride 2.5 mg plus domperidone 10 mg three times daily for 7 days against the effects of cisapride plus placebo. Administration of cisapride plus domperidone gave significantly higher gastric emptying and lower gastrointestinal symptoms than cisapride plus placebo.