{"nct_id":"NCT02399046","title":"A Clinical Trial Study of Knee System in Primary Total Knee Arthroplasty in China","status":"COMPLETED","status_verified_date":"2019-11","start_date":"2017-08-17","start_date_type":"ACTUAL","primary_completion_date":"2019-07-10","primary_completion_date_type":"ACTUAL","completion_date":"2019-10-25","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["JNJ"]}