{"nct_id":"NCT03306043","title":"A Multi-center, Open-label Extension, Safety Study of Mepolizumab in Subjects With Hypereosinophilic Syndrome (HES) From Study 200622","status":"COMPLETED","status_verified_date":"2020-06","start_date":"2017-11-13","start_date_type":"ACTUAL","primary_completion_date":"2019-12-30","primary_completion_date_type":"ACTUAL","completion_date":"2019-12-30","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}