{"nct_id":"NCT00086515","title":"Metformin Add-on Study in Patients With Type 2 Diabetes Mellitus (0431-020)(COMPLETED)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2004-06-30","start_date_type":"ACTUAL","primary_completion_date":"2005-07-20","primary_completion_date_type":"ACTUAL","completion_date":"2007-02-02","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}