{"nct_id":"NCT00145483","title":"Sildenafil For Meniere's Disease","status":"COMPLETED","status_verified_date":"2021-01","start_date":"2002-06-18","start_date_type":"ACTUAL","primary_completion_date":"2006-11-08","primary_completion_date_type":"ACTUAL","completion_date":"2006-11-08","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}