{"nct_id":"NCT02174861","title":"A Study to Assess the Long-term Safety and Efficacy of Erenumab (AMG 334) in Chronic Migraine Prevention.","status":"COMPLETED","status_verified_date":"2022-10","start_date":"2014-06-30","start_date_type":"ACTUAL","primary_completion_date":"2017-05-26","primary_completion_date_type":"ACTUAL","completion_date":"2017-05-26","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["AMGN"]}