{"nct_id":"NCT00036283","title":"Chemoprevention of Oral Premalignant Lesions","status":"COMPLETED","status_verified_date":"2008-09","start_date":"2000-11","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2004-04","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["PFE"]}