{"nct_id":"NCT00547287","title":"Studying the Preference of Tadalafil to Sildenafil in Men With Problems Getting an Erection Across Nations","status":"COMPLETED","status_verified_date":"2007-10","start_date":"2002-11","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2004-05","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["LLY"]}