{"nct_id":"NCT01643226","title":"Safety and Efficacy Study of Corneal Collagen Cross-Linking in Eyes With Keratoconus","status":"COMPLETED","status_verified_date":"2021-04","start_date":"2012-07","start_date_type":null,"primary_completion_date":"2015-07","primary_completion_date_type":"ACTUAL","completion_date":"2016-09","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GKOS"]}