Last updated on February 2018

Mirabegron in Achalasia: A Clinical and Manometric Proof of Concept Pilot Study

Brief description of study

This study evaluates whether a medication called mirabegron is better than placebo (sugar pill) in helping patients with achalasia swallow better. Each patient will receive either mirabegron or the placebo for 4 weeks followed by the opposite medication. Each patient will complete several surveys and undergo several tests to determine if the mirabegron is helping reduce the pressures in the esophagus (swallowing tube).

Detailed Study Description

Achalasia is characterized by incomplete or absent relaxation of the lower esophageal sphincter (LES) and loss of esophageal peristalsis which leads to dysphagia. Standard of care for achalasia includes endoscopic management (dilation and injection of injection of botulinum toxin) and surgery, however both of these options carry procedural risks, may lose efficacy over time and many patients are not appropriate candidates for these treatment options. Unfortunately, there are limited oral medications for patients with achalasia. Mirabegron is an oral beta-3 agonist currently FDA approved for overactive bladder that works by relaxing the bladder muscles. Beta-3 receptors have also been identified in the LES with stimulation leading to LES relaxation in preclinical studies. Through a proof of concept pilot study, the investigators aim to evaluate the effect of mirabegron in patients with achalasia via high resolution manometry and a validated dysphagia scale.

Clinical Study Identifier: NCT03411252

Contact Investigators or Research Sites near you

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Anthony J DiMarino, MD

Thomas Jefferson University
Philadelphia, PA United States
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Recruitment Status: Open

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