{"nct_id":"NCT01155466","title":"A Placebo- and Active Controlled Study of Preladenant in Subjects With Moderate to Severe Parkinson's Disease (P04938)","status":"COMPLETED","status_verified_date":"2018-10","start_date":"2010-07-14","start_date_type":"ACTUAL","primary_completion_date":"2012-12-20","primary_completion_date_type":"ACTUAL","completion_date":"2012-12-20","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}