Mepolizumab as Add-on Treatment IN Participants With COPD Characterized by Frequent Exacerbations and Eosinophil Level

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a multi-center, randomized, placebo-controlled, double-blind, parallel group study designed to confirm the benefits of mepolizumab treatment on moderate or severe exacerbations in chronic obstructive pulmonary disease (COPD) participants given as an add on to their optimized maintenance COPD therapy. The maximum duration of participant participation is approximately 109 weeks, consisting of 2 screening visits (up to 3 weeks), a run-in period (up to 2 weeks), and an intervention period of at least 52 weeks and up to 104 weeks. 800 participants will be randomized in a 1:1 ratio to receive mepolizumab 100 milligrams (mg) or placebo every 4 weeks for at least 13 doses (52 weeks treatment period) up to a maximum of 26 doses (104 weeks treatment period). The number of randomized participants may increase up to approximately 1400.

About this trial record page

What this page shows

Public field values for ClinicalTrials.gov record NCT04133909, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.

What this page does not do

No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.

Where the data comes from

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Last update posted Aug 20, 2026 · Synced Sep 6, 2026

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