{"nct_id":"NCT00547352","title":"Study to Determine a Preference Between Sildenafil or Tadalafil Treatment for Problems Getting an Erection","status":"COMPLETED","status_verified_date":"2007-10","start_date":"2004-06","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2005-06","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["LLY"]}