- Conditions
- Hypereosinophilic Syndrome
- Interventions
- Mepolizumab 300 mg, Placebo matching mepolizumab, Active OCS capsules (5 mg prednisolone or prednisone), Placebo matching OCS capsules
- Drug
- Lead sponsor
- GlaxoSmithKline
- Industry
- Eligibility
- 12 Years and older
- Enrollment
- 108 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 7
- States / cities
- San Diego, California • New Haven, Connecticut • Rochester, Minnesota + 4 more
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