{"nct_id":"NCT03546400","title":"Safety, Tolerability and PK Study of Methylphenidate HCl ERCT in 4-5 Year Old Children With ADHD.","status":"WITHDRAWN","status_verified_date":"2018-10","start_date":"2018-09-25","start_date_type":"ESTIMATED","primary_completion_date":"2020-12-03","primary_completion_date_type":"ESTIMATED","completion_date":"2020-12-03","completion_date_type":"ESTIMATED","phases":["PHASE4"],"tickers":["PFE"]}