Efficacy and Safety Study of Mepolizumab in Subjects With Severe Hypereosinophilic Syndrome (HES)
Conditions
- Hypereosinophilic Syndrome
Interventions
- DRUG: Mepolizumab 300 mg
- DRUG: Placebo matching mepolizumab
- DRUG: Active OCS capsules (5 mg prednisolone or prednisone)
- DRUG: Placebo matching OCS capsules
Sponsor
GlaxoSmithKline