{"nct_id":"NCT00237224","title":"Open Label Study of Postmenopausal Women With ER and /or PgR Positive Breast Cancer Treated With Letrozole","status":"COMPLETED","status_verified_date":"2009-11","start_date":"2003-02","start_date_type":null,"primary_completion_date":"2007-02","primary_completion_date_type":"ACTUAL","completion_date":null,"completion_date_type":null,"phases":["PHASE4"],"tickers":["NVS"]}