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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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