{"nct_id":"NCT01549366","title":"Comparison of the Aspen Device Versus Pedicle Screws for Supplemental Posterior Fixation in Lumbar Interbody Fusion","status":"COMPLETED","status_verified_date":"2018-03","start_date":"2012-02","start_date_type":null,"primary_completion_date":"2016-01","primary_completion_date_type":"ACTUAL","completion_date":"2016-01","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["ZBH"]}