Effect of tegaserod on esophageal pain threshold, regurgitation, and symptom relief in patients with functional heartburn and mechanical sensitivity

Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
Sheila Rodriguez-StanleyPhilip B Miner

Abstract

Tegaserod, a 5-HT4-receptor partial agonist, effectively treats irritable bowel syndrome with constipation. The role of tegaserod in functional disorders of the upper gastrointestinal (GI) tract is unclear. The aims of this study were to determine if tegaserod improves esophageal pain with mechanical and chemical stimuli, GI symptom profile, and global preference in patients with functional heartburn. Patients with functional heartburn, as defined by Rome II criteria, underwent esophageal barostat and acid-infusion sensory tests. Mechanical hypersensitivity was required for entry. The baseline GI symptom profile was rated before treatment. Patients were blinded to treatment and randomly assigned to tegaserod 6 mg twice daily or placebo for 14 days, and crossed-over to the alternate treatment after 7 to 10 days of washout. Patients underwent sensory tests and rated GI symptoms after each treatment. Global treatment preference was completed at the end of the study. Forty-two patients (15 men, 27 women; age, 20-68 y) completed the study. The predominant baseline symptoms in addition to heartburn included upper-abdominal pain, upper-abdominal discomfort, regurgitation, chest pain, early satiety, and postmeal bloating. Tegaserod sig...Continue Reading

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