{"nct_id":"NCT01979510","title":"Safety and Efficacy Study of an Etoricoxib and Tizanidine Fixed Dose Combination in Participants With Moderate to Severe Acute Low Back Pain (MK-0663B-164)","status":"WITHDRAWN","status_verified_date":"2015-04","start_date":"2013-11","start_date_type":null,"primary_completion_date":"2014-05","primary_completion_date_type":"ESTIMATED","completion_date":"2014-05","completion_date_type":"ESTIMATED","phases":["PHASE3"],"tickers":["MRK"]}