{"nct_id":"NCT04539938","title":"A Study of Tucatinib Plus Trastuzumab Deruxtecan in HER2+ Breast Cancer","status":"COMPLETED","status_verified_date":"2025-09","start_date":"2020-12-01","start_date_type":"ACTUAL","primary_completion_date":"2024-07-15","primary_completion_date_type":"ACTUAL","completion_date":"2025-03-07","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["PFE"]}