{"nct_id":"NCT03975647","title":"A Study of Tucatinib vs. Placebo in Combination With Ado-trastuzumab Emtansine (T-DM1) for Patients With Advanced or Metastatic HER2+ Breast Cancer","status":"ACTIVE_NOT_RECRUITING","status_verified_date":"2025-08","start_date":"2019-10-02","start_date_type":"ACTUAL","primary_completion_date":"2023-06-29","primary_completion_date_type":"ACTUAL","completion_date":"2029-03-10","completion_date_type":"ESTIMATED","phases":["PHASE3"],"tickers":["PFE"]}