{"nct_id":"NCT01097616","title":"Safety and Efficacy Study of Suvorexant in Participants With Primary Insomnia - Study A (MK-4305-028)","status":"COMPLETED","status_verified_date":"2018-08","start_date":"2010-05-05","start_date_type":"ACTUAL","primary_completion_date":"2011-09-09","primary_completion_date_type":"ACTUAL","completion_date":"2011-12-07","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}