{"nct_id":"NCT00240942","title":"Letrozole in the Treatment of Severe and Recurrent Endometriosis","status":"COMPLETED","status_verified_date":"2012-04","start_date":"2002-10","start_date_type":null,"primary_completion_date":"2006-06","primary_completion_date_type":"ACTUAL","completion_date":"2006-06","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["NVS"]}