{"nct_id":"NCT00330317","title":"Safety and Efficacy of Hormone Therapy With Letrozole in Postmenopausal Women With Breast Cancer","status":"COMPLETED","status_verified_date":"2017-02","start_date":"2006-02","start_date_type":null,"primary_completion_date":"2010-03","primary_completion_date_type":"ACTUAL","completion_date":"2010-11-16","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["NVS"]}