{"nct_id":"NCT01643252","title":"Safety and Efficacy Study for Corneal Collagen Cross-Linking in Eyes With Corneal Ectasia After Refractive Surgery","status":"WITHDRAWN","status_verified_date":"2021-04","start_date":"2012-07","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":null,"completion_date_type":null,"phases":["PHASE3"],"tickers":["GKOS"]}