{"nct_id":"NCT06445972","title":"Substudy 06D: Combination Therapies in Second Line (2L) Gastroesophageal Adenocarcinoma (MK-3475-06D/Keymaker-U06)","status":"RECRUITING","status_verified_date":"2025-10","start_date":"2024-08-07","start_date_type":"ACTUAL","primary_completion_date":"2026-12-28","primary_completion_date_type":"ESTIMATED","completion_date":"2028-10-27","completion_date_type":"ESTIMATED","phases":["PHASE1","PHASE2"],"tickers":["MRK"]}