{"nct_id":"NCT00171704","title":"A Study to Evaluate the Effect of Letrozole and Tamoxifen on Bone and Lipids in Postmenopausal Women With Breast Cancer","status":"COMPLETED","status_verified_date":"2012-05","start_date":"2005-04","start_date_type":null,"primary_completion_date":"2011-03","primary_completion_date_type":"ACTUAL","completion_date":"2011-03","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["NVS"]}