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Completed Phase 3 Interventional

Intravenous Mepolizumab In Subjects With Hypereosinophilic Syndromes (HES)

ClinicalTrials.gov ID: NCT00086658

Public ClinicalTrials.gov record NCT00086658. 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 Jul 23, 2026, 8:46 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 Multicenter, Double-blind, Placebo-controlled, Study to to Evaluate the Corticosteroid- Sparing Effects of Mepolizumab in Subjects With Hypereosinophilic Syndromes (HES) and Evaluate Efficacy and Safety of Mepolizumab in Controlling the Clinical Signs and Symptoms of Subjects With HES

Study identification

NCT ID
NCT00086658
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
86 participants

Conditions and interventions

Interventions

  • mepolizumab Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
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
Mar 22, 2004
Primary completion
Apr 30, 2006
Completion
Apr 30, 2006
Last update posted
May 4, 2020

2004 – 2006

United States locations

U.S. sites
11
U.S. states
11
U.S. cities
11
Facility City State ZIP Site status
GSK Investigational Site San Diego California 92103
GSK Investigational Site Denver Colorado 80206
GSK Investigational Site Bethesda Maryland 20892
GSK Investigational Site Boston Massachusetts 02215
GSK Investigational Site Rochester Minnesota 55905
GSK Investigational Site Cincinnati Ohio 45229
GSK Investigational Site Nashville Tennessee 37203-1424
GSK Investigational Site Houston Texas 77030
GSK Investigational Site Salt Lake City Utah 84132
GSK Investigational Site Richmond Virginia 23298-0568
GSK Investigational Site Madison Wisconsin 53792

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 18 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00086658, 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 4, 2020 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00086658 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →