{"nct_id":"NCT01092416","title":"Evaluate the Safety and Efficacy of OAS in Treating Severely Calcified Coronary Lesions","status":"COMPLETED","status_verified_date":"2023-07","start_date":"2010-05","start_date_type":null,"primary_completion_date":"2013-01","primary_completion_date_type":"ACTUAL","completion_date":"2016-01","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["ABT"]}