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Clinical Trial Summary

Esophagus is commonly affected in Systemic Sclerosis (SSc) and esophageal function is compromised in about 75% of patients. Previous studies have shown that buspirone, an orally available 5-HT1A (serotonin 1a) receptor agonist, enhances esophageal motility in healthy volunteers. Recently, the investigators observed that a single dose of buspirone (10mg) improves lower esophageal sphincter (LES) function in patients with SSc and esophageal involvement .

Objectives: To evaluate the effect of continuous administration of buspirone on esophageal dysfunction and related symptoms in SSc using high resolution manometry (HRM).


Clinical Trial Description

Systemic sclerosis (SSc) is a chronic autoimmune disease affecting the skin and other organs especially the gastrointestinal tract. Esophageal involvement occurs in up to 90% of SSc patients. Symptoms of esophageal disease are due to gastroesophageal reflux disease (GERD) and esophageal motor dysfunction. Thus, heartburn, regurgitation and dysphagia have been reported by 80% of SSc patients.

The gold standard method for the assessment and detection of esophageal dysmotility in SSc patients is manometry. High-resolution manometry (HRM) is the most accurate tool to assess esophageal motility using multiple closely spaced (<2cm) pressure sensors, assessment of esophageal motility is more sensitive ,and allows a better assessment of LES and of the whole esophagus.

Buspirone, an orally available 5-HT1A receptor agonist, exerts a beneficial acute effect on esophageal motor dysfunction and LES pressure and may enhances an important role in improvement of esophageal symptoms in SSc patients. Thus, the investigators will conduct a study to evaluate the putative beneficial long-term effect of buspirone i) on esophageal motor dysfunction and ii) on esophageal symptoms in symptomatic SSc patients. ;


Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT02363478
Study type Interventional
Source Laikon General District Hospital, Athens
Contact Georgios Karamanolis
Phone 00302107286308
Email georgekaramanolis@yahoo.co.uk
Status Recruiting
Phase Phase 0
Start date December 2014
Completion date March 2015

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