{"nct_id":"NCT00247663","title":"Extension Study of 1.0mg Dose Letrozole Therapy in Postmenopausal Patients With Breast Cancer","status":"COMPLETED","status_verified_date":"2012-04","start_date":"1999-12","start_date_type":null,"primary_completion_date":"2005-12","primary_completion_date_type":"ACTUAL","completion_date":null,"completion_date_type":null,"phases":["PHASE2"],"tickers":["NVS"]}