{"nct_id":"NCT02039674","title":"A Study of Pembrolizumab (MK-3475) in Combination With Chemotherapy or Immunotherapy in Participants With Non-small Cell Lung Cancer (MK-3475-021/KEYNOTE-021)","status":"COMPLETED","status_verified_date":"2022-10","start_date":"2014-02-21","start_date_type":null,"primary_completion_date":"2016-11-07","primary_completion_date_type":"ACTUAL","completion_date":"2021-10-18","completion_date_type":"ACTUAL","phases":["PHASE1","PHASE2"],"tickers":["MRK"]}