{"nct_id":"NCT00171847","title":"Study of the Efficacy and Safety of Letrozole Combined With Trastuzumab in Patients With Metastatic Breast Cancer","status":"TERMINATED","status_verified_date":"2010-03","start_date":"2003-03","start_date_type":null,"primary_completion_date":"2008-10","primary_completion_date_type":"ACTUAL","completion_date":null,"completion_date_type":null,"phases":["PHASE4"],"tickers":["NVS"]}