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Showing 25–43 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Nucala Clear all
Completed Phase 1Phase 2 Interventional

Anti-Interleukin-5 (IL-5) Study for Hypereosinophilic Syndrome

NCT00266565
View directory record Official record
Conditions
Hypereosinophilic Syndromes, Eosinophilic Gastroenteritis, Churg-Strauss Syndrome, Eosinophilic Esophagitis
Interventions
Mepolizumab
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

Study of Mepolizumab Safety Syringe in Asthmatics

NCT03021304
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
4
States / cities
Birmingham, Alabama • Los Angeles, California • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

Study of Mepolizumab Autoinjector in Asthmatics

NCT03099096
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
16
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Sep 21, 2026, 4:55 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Efficacy and Safety of Benralizumab in EGPA Compared to Mepolizumab.

NCT04157348
View directory record Official record
Conditions
Eosinophilic Granulomatous Vasculitis
Interventions
Benralizumab, Mepolizumab, Placebo to Mepolizumab, Placebo to Benralizumab
Biological
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
9
States / cities
Denver, Colorado • Ann Arbor, Michigan • Rochester, Minnesota + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 2 Interventional Results available

Dose Ranging Efficacy And Safety With Mepolizumab in Severe Asthma

NCT01000506
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab 750, Mepolizumab 250, Mepolizumab 75, Placebo saline
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years to 65 Years
Enrollment
621 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
21
States / cities
Long Beach, California • Los Angeles, California • Riverside, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Sep 21, 2026, 4:55 AM EDT
Terminated Phase 3 Interventional Results available

Open-Label Extension Of Intravenous Mepolizumab In Patients With Hypereosinophilic Syndrome

NCT00097370
View directory record Official record
Conditions
Hypereosinophilic Syndrome
Interventions
mepolizumab
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 75 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
10
States / cities
San Diego, California • Denver, Colorado • Bethesda, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetics and Pharmacodynamics of Mepolizumab Administered Subcutaneously in Children

NCT02377427
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Years to 11 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
4
States / cities
San Diego, California • Oklahoma City, Oklahoma • Medford, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2019 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 2 Interventional Results available

A Trial of Mepolizumab Adjunctive Therapy for the Prevention of Asthma Exacerbations in Urban Children

NCT03292588
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 17 Years
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
9
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2022 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

Cessation Versus Continuation of Long-term Mepolizumab in Severe Eosinophilic Asthma Patients

NCT02555371
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab 100mg, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
13
States / cities
Long Beach, California • Riverside, California • Denver, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

MEA112997 Open-label Long Term Extension Safety Study of Mepolizumab in Asthmatic Subjects

NCT01691859
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
11
States / cities
Long Beach, California • Riverside, California • Denver, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Sep 21, 2026, 4:55 AM EDT
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

NCT04718389
View directory record Official record
Conditions
Asthma
Interventions
GSK3511294 (Depemokimab), Mepolizumab, Benralizumab, Placebo, Standard of care (SoC), Pre-filled Syringes (PFS)
Biological · Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
1,717 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
119
States / cities
Birmingham, Alabama • Scottsboro, Alabama • Litchfield Park, Arizona + 94 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Mepolizumab Adjunctive Therapy in Subjects With Severe Uncontrolled Refractory Asthma

NCT01691521
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab IV, Mepolizumab SC, IV Placebo, SC Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
580 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
21
States / cities
Birmingham, Alabama • Newport Beach, California • Riverside, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2018 · Synced Sep 21, 2026, 4:55 AM EDT
Recruiting Phase 2 Interventional

Dupilumab as Add-On Therapy for Hypereosinophilic Syndrome With Partial Clinical Response to Eosinophil-Depleting Biologic Agents

NCT06477653
View directory record Official record
Conditions
Hypereosinophilic Syndrome
Interventions
dupilumab
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

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

NCT04133909
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Mepolizumab, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
806 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
88
States / cities
Birmingham, Alabama • Dothan, Alabama • Huntsville, Alabama + 72 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Mepolizumab as an Add-on Treatment in Chronic Obstructive Pulmonary Disease (COPD)

NCT02105961
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Mepolizumab, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
674 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
35
States / cities
Birmingham, Alabama • Mobile, Alabama • Riverside, California + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Early Phase 1 Interventional

The Role of IL5 in Epithelial Cell Integrity

NCT05895929
View directory record Official record
Conditions
Chronic Rhinosinusitis With Nasal Polyps, Chronic Rhinosinusitis (Diagnosis)
Interventions
Mepolizumab
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

A Study to Determine Long-term Safety of Mepolizumab in Asthmatic Subjects

NCT01842607
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
651 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
20
States / cities
Long Beach, California • Newport Beach, California • Riverside, California + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2018 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Early Phase 1 Interventional Results available

Mepolizumab for the Treatment of Chronic Spontaneous Urticaria

NCT03494881
View directory record Official record
Conditions
Chronic Spontaneous Urticaria
Interventions
Nucala
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 21, 2026, 4:55 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Mepolizumab As a Steroid-sparing Treatment Option in the Churg Strauss Syndrome

NCT00527566
View directory record Official record
Conditions
Churg Strauss Syndrome
Interventions
Mepolizumab
Biological
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 21, 2026, 4:55 AM EDT