{"nct_id":"NCT01562548","title":"Exploratory Efficacy Study of Guaifenesin in Upper Back Pain","status":"COMPLETED","status_verified_date":"2014-03","start_date":"2012-02","start_date_type":null,"primary_completion_date":"2013-05","primary_completion_date_type":"ACTUAL","completion_date":"2013-05","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["GSK"]}