{"nct_id":"NCT00763386","title":"A Study to Compare the NexGen LPS and LPS-Flex Knee Implants","status":"COMPLETED","status_verified_date":"2012-05","start_date":"2001-06","start_date_type":null,"primary_completion_date":"2009-12","primary_completion_date_type":"ACTUAL","completion_date":"2010-03","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["ZBH"]}