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Efficacy and Safety Study of Mepolizumab in Subjects With Severe Hypereosinophilic Syndrome (HES)

Hypereosinophilic Syndrome Clinical Trial

Official title:
Study 200622: A Randomized, Double-blind, Placebo-controlled Study to Investigate the Efficacy and Safety of Mepolizumab in the Treatment of Adolescent and Adult Subjects With Severe Hypereosinophilic Syndrome

Clinical Trial Summary

Mepolizumab is a humanized monoclonal antibody. In conditions where eosinophilia is considered to play an important part in the pathology, including eosinophilic asthma, HES, and eosinophilic granulomatosis with polyangiitis, a consistent reduction in blood eosinophil counts is observed in association with mepolizumab administration, with concomitant clinical improvement. This is a 32-week treatment period, randomized, double-blind, placebo-controlled, parallel group, multicentre study of mepolizumab in adolescent and adult subjects with severe HES receiving standard of care (SoC) therapy. This study will demonstrate the efficacy of mepolizumab compared with placebo based on maintenance of control of HES symptoms during the treatment period. The study will comprise of a screening period of up to approximately 4 weeks followed by a 32-Week study treatment period (subjects will be randomized 1:1 to placebo or mepolizumab) and up to 8-week additional follow-up period (12 weeks after the last dose of study treatment).

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02836496
Study type Interventional
Source GlaxoSmithKline
Contact
Status Completed
Phase Phase 3
Start date March 7, 2017
Completion date August 8, 2019
View Details
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