{"nct_id":"NCT00505843","title":"A Study of MK0657 in Parkinson's Disease Patients (0657-006)","status":"COMPLETED","status_verified_date":"2015-01","start_date":"2007-05","start_date_type":null,"primary_completion_date":"2008-02","primary_completion_date_type":"ACTUAL","completion_date":"2008-02","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRK"]}