Dysphagia, Esophageal Clinical Trial
Official title:
The Effect of Oral Buspirone Hydrochloride on Esophageal Motility, Bolus Transit and Symptoms of Dysphagia, in Patients With Poor Esophageal Motility: A Randomized, Double-blind, Placebo Controlled, Cross-over Trial With HRiM
This is a randomized, double-blind, placebo-controlled, cross-over clinical trial of buspirone in patients with complaints of dysphagia due to poor esophageal motility. The goal of this clinical trial is to study the effect of buspirone on esophageal motility by performing high resolution impedance manometry (HRiM).
Esophageal motility disorders can be characterized by poor esophageal motility with impaired clearance of the esophagus. Examples are Ineffective Esophageal Motility (IEM, >70% of the swallows are ineffective or ≥50% are failed) and Absent Contractility (100% failed peristalsis). Both might be the underlying cause for dysphagia. Several studies have shown that poor esophageal motility can be manipulated by pharmacological means. Buspirone, a 5-HT1A agonist, is able to significantly increase distal esophageal wave amplitude and duration in healthy volunteers, suggesting it may be effective in IEM. At the moment, findings in patients with IEM are not consistent and depend on the dose and treatment duration. This cross-over trial will examine the use of buspirone in patients with dysphagia, with the intent of using a higher dose. We will use impedance/manometry and pressure flow analysis to liquid, viscous and solid boluses to evaluate the symptomatic and manometric effect of buspirone. ;
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