{"nct_id":"NCT04165070","title":"KEYMAKER-U01 Substudy 01A: Efficacy and Safety Study of Pembrolizumab (MK-3475) With or Without Chemotherapy When Used With Investigational Agents in Treatment-naïve Participants With Stage IV Non-small Cell Lung Cancer (NSCLC) (MK-3475-01A/KEYMAKER-U01A)","status":"RECRUITING","status_verified_date":"2025-09","start_date":"2019-12-19","start_date_type":"ACTUAL","primary_completion_date":"2032-02-13","primary_completion_date_type":"ESTIMATED","completion_date":"2032-02-13","completion_date_type":"ESTIMATED","phases":["PHASE1","PHASE2"],"tickers":["MRK"]}