Study to Assess the Efficacy and Safety of LX201 for Prevention of Corneal Allograft Rejection Episodes and Graft Failure in Subjects at Increased Immunological Risk

A Multi-center, Placebo-Controlled, Randomized, Parallel Group, Dose-Ranging Study to Assess the Efficacy and Safety of LX201 for Prevention of Corneal Allograft Rejection Episodes and Graft Failure Following Penetrating Keratoplasty With LX201 Implantation in Subjects Who Are at Increased Immunological Risk