{"nct_id":"NCT06780111","title":"Substudy 06E: Umbrella Study of Combination Therapies in Esophageal Cancer (MK-3475-06E/KEYMAKER-U06)","status":"RECRUITING","status_verified_date":"2025-10","start_date":"2025-07-30","start_date_type":"ACTUAL","primary_completion_date":"2032-01-04","primary_completion_date_type":"ESTIMATED","completion_date":"2032-01-04","completion_date_type":"ESTIMATED","phases":["PHASE1","PHASE2"],"tickers":["MRK"]}