{"nct_id":"NCT02520245","title":"Companion Study for Patients Who Completed Participation in a REGN2810 (Anti-PD-1) Clinical Study","status":"WITHDRAWN","status_verified_date":"2016-05","start_date":"2015-08","start_date_type":null,"primary_completion_date":"2023-11","primary_completion_date_type":"ESTIMATED","completion_date":"2023-11","completion_date_type":"ESTIMATED","phases":["PHASE1"],"tickers":["REGN"]}