{"nct_id":"NCT02268409","title":"Extension Study to Evaluate the Safety and Efficacy of Luspatercept in Participants With β-Thalassemia Previously Enrolled in A536-04 (A536-06/MK-6143-004)","status":"COMPLETED","status_verified_date":"2024-02","start_date":"2014-10-20","start_date_type":"ACTUAL","primary_completion_date":"2020-06-18","primary_completion_date_type":"ACTUAL","completion_date":"2020-06-18","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}