Mepo for Eosinophilic Esophagitis (EoE) Study

Status Completed

Clinical Trial Summary

Multi-center, randomized, double blind, parallel-arm, placebo controlled trial to determine whether mepolizumab is more effective than placebo for improving symptoms of dysphagia and decreasing esophageal eosinophil counts in adults and adolescents with active eosinophilic esophagitis (EoE) after an initial 3 month treatment course, and will also assess the impact of an additional 3 months of treatment.

Clinical Trial Description

This is a multi-center, randomized, double blind, parallel-arm, placebo controlled trial of mepolizumab. After the first 3 month blinded phase, there will be a second 3 month blinded phase where all patients receive active medication, but the dose will be lower in the subjects initially randomized to the placebo arm. In the first arm, subjects will receive mepolizumab 300 mg SQ monthly for 3 months. In the second arm, subjects will receive a placebo SQ injection monthly for 3 months. Both groups will have the injection administered under direct observation in a Clinical & Translational Research Center (CTRC) or other clinic to ensure proper administration and compliance. Each visit will also provide an opportunity for symptom questionnaires to be completed and for blood samples to be drawn. After 3 months (the time point where the primary outcome is assessed), all subjects initially randomized to active treatment will continue with mepolizumab dosing 300 mg SQ monthly, and will remain blinded. All subjects initially randomized to placebo will receive mepolizumab 100mg SQ monthly, and will remain blinded. Of note, no dietary changes, changes in baseline Proton Pump Inhibitor (PPI) medication dose, changes in inhaled or intranasal steroid doses, or administration or oral, topical/swallowed, or systemic steroids will be allowed during the study period. Subjects will undergo endoscopy after the first blinded phase (at 3 months) and after the second blinded phase (after 6 months). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03656380
Study type	Interventional
Source	University of North Carolina, Chapel Hill
Contact
Status	Completed
Phase	Phase 2
Start date	March 20, 2019
Completion date	December 9, 2022

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.