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Completed Phase 3 Interventional Results available

A Study of GSK3511294 (Depemokimab) Compared With Mepolizumab or Benralizumab in Participants With Severe Asthma With an Eosinophilic Phenotype

ClinicalTrials.gov ID: NCT04718389

Public ClinicalTrials.gov record NCT04718389. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:59 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A 52-week, Randomised, Double-blind, Double-dummy, Parallel Group, Multi-centre, Non-inferiority Study Assessing Exacerbation Rate, Additional Measures of Asthma Control and Safety in Adult and Adolescent Severe Asthmatic Participants With an Eosinophilic Phenotype Treated With GSK3511294 Compared With Mepolizumab or Benralizumab

Brief summary

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

This study will assess whether switching participants who have benefitted from mepolizumab or benralizumab to GSK3511294 (Depemokimab) is non-inferior to maintaining current treatment on the annualized rate of clinically significant exacerbations in participants with severe asthma with an eosinophilic phenotype. Throughout the study, all participants will continue their non-biologic Baseline standard of care (SoC) asthma treatment.

Study identification

NCT ID
NCT04718389
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
1,717 participants

Conditions and interventions

Conditions

Interventions

Biological · Drug · Device

Eligibility (public fields only)

Age range
12 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 26, 2021 (Actual)
Primary completion
Sep 14, 2025 (Actual)
Completion
Sep 14, 2025 (Actual)
Last update posted
May 18, 2026

2021 – 2025

United States locations

U.S. sites
119
U.S. states
33
U.S. cities
97
Facility City State ZIP Site status
GSK Investigational Site Birmingham Alabama 35209 —
GSK Investigational Site Scottsboro Alabama 35768 —
GSK Investigational Site Litchfield Park Arizona 85340 —
GSK Investigational Site Phoenix Arizona 85054 —
GSK Investigational Site Scottsdale Arizona 85251 —
GSK Investigational Site Bakersfield California 93301 —
GSK Investigational Site Encinitas California 92024 —
GSK Investigational Site Huntington Beach California 92647 —
GSK Investigational Site Los Angeles California 90048 —
GSK Investigational Site Newport Beach California 92663 —
GSK Investigational Site Oxnard California 93036 —
GSK Investigational Site Rancho Cucamonga California 91730 —
GSK Investigational Site Redondo Beach California 90277 —
GSK Investigational Site Redwood City California 94063 —
GSK Investigational Site Riverside California 91786 —
GSK Investigational Site San Diego California 92123 —
GSK Investigational Site San Diego California 92307 —
GSK Investigational Site Valencia California 91324 —
GSK Investigational Site Woodland California 95695 —
GSK Investigational Site Aurora Colorado 80238 —
GSK Investigational Site Colorado Springs Colorado 80907 —
GSK Investigational Site Colorado Springs Colorado 80923 —
GSK Investigational Site Denver Colorado 80209 —
GSK Investigational Site Wheat Ridge Colorado 80033 —
GSK Investigational Site New Haven Connecticut 06511 —
GSK Investigational Site Aventura Florida 33180 —
GSK Investigational Site Clearwater Florida 33765-2103 —
GSK Investigational Site Fort Lauderdale Florida 33316 —
GSK Investigational Site Gainesville Florida 32610 —
GSK Investigational Site Hialeah Florida 33014 —
GSK Investigational Site Hialeah Florida 33016 —
GSK Investigational Site Jacksonville Florida 32209 —
GSK Investigational Site Kissimmee Florida 34746 —
GSK Investigational Site Loxahatchee Groves Florida 33470 —
GSK Investigational Site Miami Florida 33125 —
GSK Investigational Site Miami Florida 33126 —
GSK Investigational Site Miami Florida 33144 —
GSK Investigational Site Miami Florida 33166 —
GSK Investigational Site Miami Florida 33172 —
GSK Investigational Site Miami Florida 33186 —
GSK Investigational Site Miami Lakes Florida 33014 —
GSK Investigational Site Miami Lakes Florida 33125 —
GSK Investigational Site North Palm Beach Florida 33408 —
GSK Investigational Site Orlando Florida 32803 —
GSK Investigational Site Orlando Florida 32806 —
GSK Investigational Site Orlando Florida 32819 —
GSK Investigational Site Sebring Florida 33870 —
GSK Investigational Site Tallahassee Florida 32308 —
GSK Investigational Site Calhoun Georgia 30701 —
GSK Investigational Site Glenview Illinois 60077 —
GSK Investigational Site Evansville Indiana 47715 —
GSK Investigational Site Overland Park Kansas 66210 —
GSK Investigational Site Lexington Kentucky 40509 —
GSK Investigational Site Owensboro Kentucky 42301 —
GSK Investigational Site Bangor Maine 04401 —
GSK Investigational Site Baltimore Maryland 21162 —
GSK Investigational Site Baltimore Maryland 21224 —
GSK Investigational Site Chevy Chase Maryland 20815 —
GSK Investigational Site Boston Massachusetts 02115 —
GSK Investigational Site Burlington Massachusetts 01805 —
GSK Investigational Site New Bedford Massachusetts 02740 —
GSK Investigational Site North Dartmouth Massachusetts 02747 —
GSK Investigational Site Ann Arbor Michigan 48109 —
GSK Investigational Site Flint Michigan 48507 —
GSK Investigational Site Warren Michigan 48088 —
GSK Investigational Site Minneapolis Minnesota 55454 —
GSK Investigational Site Gulfport Mississippi 36608 —
GSK Investigational Site Jackson Mississippi 39216 —
GSK Investigational Site Chesterfield Missouri 63017 —
GSK Investigational Site Saint Charles Missouri 63301 —
GSK Investigational Site St Louis Missouri 63110 —
GSK Investigational Site Lincoln Nebraska 68505 —
GSK Investigational Site Omaha Nebraska 68198-5990 —
GSK Investigational Site Brick New Jersey 08724 —
GSK Investigational Site Northfield New Jersey 08225 —
GSK Investigational Site Riverdale New Jersey 07457 —
GSK Investigational Site Toms River New Jersey 08755 —
GSK Investigational Site Brooklyn New York 11215 —
GSK Investigational Site Corning New York 14845 —
GSK Investigational Site Great Neck New York 11040 —
GSK Investigational Site New York New York 60301 —
GSK Investigational Site The Bronx New York 10459-2417 —
GSK Investigational Site The Bronx New York 10467 —
GSK Investigational Site Asheville North Carolina 28803 —
GSK Investigational Site Huntersville North Carolina 28078 —
GSK Investigational Site Wilmington North Carolina 28401 —
GSK Investigational Site Winston-Salem North Carolina 27103 —
GSK Investigational Site Winston-Salem North Carolina 27157 —
GSK Investigational Site Cincinnati Ohio 45229 —
GSK Investigational Site Cincinnati Ohio 45231 —
GSK Investigational Site Corvallis Oregon 97330 —
GSK Investigational Site Altoona Pennsylvania 15801 —
GSK Investigational Site Altoona Pennsylvania 16601 —
GSK Investigational Site Hershey Pennsylvania 17033 —
GSK Investigational Site Philadelphia Pennsylvania 19140 —
GSK Investigational Site Pittsburgh Pennsylvania 15241 —
GSK Investigational Site Wyomissing Pennsylvania 19610 —
GSK Investigational Site Warwick Rhode Island 02886 —
GSK Investigational Site Rock Hill South Carolina 29732 —
GSK Investigational Site Spartanburg South Carolina 29303 —
GSK Investigational Site Hendersonville Tennessee 37075 —
GSK Investigational Site Knoxville Tennessee 37909 —
GSK Investigational Site Amarillo Texas 79106 —
GSK Investigational Site Amarillo Texas 79124 —
GSK Investigational Site Dallas Texas 75225 —
GSK Investigational Site Dallas Texas 75235 —
GSK Investigational Site Dallas Texas 75246 —
GSK Investigational Site Houston Texas 77030 —
GSK Investigational Site Houston Texas 77429 —
GSK Investigational Site Kerrville Texas 78028 —
GSK Investigational Site San Antonio Texas 78207 —
GSK Investigational Site San Antonio Texas 78229 —
GSK Investigational Site San Antonio Texas 78258 —
GSK Investigational Site Murray Utah 84107 —
GSK Investigational Site Richmond Virginia 23298 —
GSK Investigational Site Williamsburg Virginia 23188 —
GSK Investigational Site Bellingham Washington 98225 —
GSK Investigational Site Seattle Washington 98115 —
GSK Investigational Site Greenfield Wisconsin 53228 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 278 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04718389, 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
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 18, 2026 · Synced Oct 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04718389 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →