{"nct_id":"NCT04924101","title":"Efficacy and Safety of Pembrolizumab Plus Investigational Agents in Combination With Chemotherapy as First-Line Treatment in Extensive-Stage Small Cell Lung Cancer (ES-SCLC) (MK-3475-B99/ KEYNOTE-B99)","status":"COMPLETED","status_verified_date":"2025-07","start_date":"2021-07-15","start_date_type":"ACTUAL","primary_completion_date":"2025-06-23","primary_completion_date_type":"ACTUAL","completion_date":"2025-06-23","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}