Status:

COMPLETED

Dose Ranging Efficacy And Safety With Mepolizumab in Severe Asthma

Lead Sponsor:

GlaxoSmithKline

Conditions:

Asthma

Eligibility:

All Genders

12-65 years

Phase:

PHASE2

Brief Summary

The purpose of this study is to show whether mepolizumab given every 4 weeks intravenously (i.v.) can reduce the frequency of asthma exacerbations in subjects with severe asthma despite receiving high...

Detailed Description

A double-blind, placebo-controlled study to evaluate the efficacy, safety and pharmacodynamics of three doses (75 mg, 250 mg and 750 mg) of mepolizumab intravenous (i.v.) administered every 4 weeks co...

Eligibility Criteria

Inclusion

  • Male or female
  • Aged 12 to 65 years inclusive
  • Minimum weight 45kg
  • Clinical features of severe refractory asthma
  • Well documented requirement for high dose inhaled corticosteroids (ICS) \[i.e. \>= 880mcg/day fluticasone propionate or equivalent daily\] for at least 12 months
  • Using additional controller medication in addition to high dose ICS for at least 12 months
  • Persistent airflow obstruction indicated by a pre-bronchodilator FEV1\<80% predicted at visit 1 or 2 or peak flow diurnal variability of \>20% on 3 or more days during the run-in
  • Airway inflammation which is likely to be eosinophilic in nature demonstrated by either raised peripheral blood eosinophils (\>=300/microL), sputum eosinophils (\>=3%), exhaled nitric oxide (\>=50ppb) or prompt deterioration of asthma control following a \<=25% reduction in regular maintenance dose of inhaled or oral corticosteroids (OCS)
  • History of 2 or more exacerbations requiring systemic corticosteroids in the previous 12 months
  • Evidence of asthma documented by airway reversibility, airway hyperresponsiveness or airflow variability
  • ECG assessment demonstrating QTc\<450msec or QTc\<480msec for patients with bundle branch block
  • Liver function tests demonstrating ALT\<2xUpper Limit of Normal (ULN), AST\<2xULN, Alk Phos \<=1.5xULN, bilirubin \<=1.5xULN
  • Female of non-child-bearing potential or child-bearing potential with a negative pregnancy test at screening and prepared to agree to an acceptable method of contraception
  • Able to give written informed consent
  • Able to read, comprehend and write at a sufficient level to complete study materials

Exclusion

  • Current smokers or smoking history of \>=10 pack years
  • Clinically important lung condition other than asthma
  • Diagnosis of malignancy or in the process of investigation
  • Unstable liver disease
  • Churg-Strauss syndrome
  • Using methotrexate, troleandomycin, oral gold, cyclosporine, azathioprine or any experimental anti-inflammatory therapy within 3 months of screening
  • Omalizumab (Xolair) or any other biological for the treatment of inflammatory disease within 6 months of Visit 1
  • Regular use of oral or systemic corticosteroids for diseases other than asthma within 12 months or any intra-articular, short-acting intramuscular corticosteroid within 1 month or intramuscular, long-acting depot corticosteroid within 3 months
  • Allergy/intolerance to the excipients in the mepolizumab formulation
  • Any investigational drug within 30 days or 5 terminal half-lives, whichever is longer
  • Pregnant or breastfeeding or planning to become pregnant
  • Clinically significant disease which is uncontrolled with standard treatment
  • History of alcohol misuse or substance abuse
  • Parasitic infestation within previous 6 months
  • Known immunodeficiency
  • Unable to follow instructions, use the electronic diary or peak flow meter
  • Known evidence of lack of adherence to controller medications and/or follow physician's recommendations
  • Previous participation in a study of mepolizumab and received study medication within 90 days

Key Trial Info

Start Date :

November 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

March 23 2012

Estimated Enrollment :

621 Patients enrolled

Trial Details

Trial ID

NCT01000506

Start Date

November 1 2009

End Date

March 23 2012

Last Update

January 24 2018

Active Locations (94)

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Page 1 of 24 (94 locations)

1

GSK Investigational Site

Long Beach, California, United States, 90808

2

GSK Investigational Site

Los Angeles, California, United States, 90095

3

GSK Investigational Site

Riverside, California, United States, 92506

4

GSK Investigational Site

San Diego, California, United States, 92103-8415