{"nct_id":"NCT03950674","title":"Study of Pemetrexed+Platinum Chemotherapy With or Without Pembrolizumab (MK-3475) in Participants With First Line Metastatic Nonsquamous Non-small Cell Lung Cancer (MK-3475-189/KEYNOTE-189)-Japan Extension Study","status":"COMPLETED","status_verified_date":"2024-05","start_date":"2016-02-22","start_date_type":"ACTUAL","primary_completion_date":"2019-05-20","primary_completion_date_type":"ACTUAL","completion_date":"2023-06-22","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}