This was a pivotal trial to determine whether LX201 reduces the likelihood of a graft rejection episode following corneal transplantation in patients at high immunological risk for rejection.
LX201 was a novel sustained-release silicone implant containing 30% cyclosporine A by weight. LX201 was intended for surgical episcleral placement in the eye. The study was a Phase 2/3, multi-center, placebo-controlled, randomized, parallel-group, dose-ranging study of LX201 for prevention of corneal allograft rejection or graft failure following penetrating keratoplasty with LX201 implantation. Subjects were to be followed in an outpatient setting for safety and efficacy at 4-6 week intervals for 52 weeks following transplantation surgery. After Visit 12 (Week 52), subjects in the USA and India with the implant in the study eye were to be followed for safety at least once per year for a 2-year period or until time of implant removal. For subjects in the USA and India, if the implant was removed at any time prior to the 3 year safety follow-up, the subject was to have a final safety follow up visit at 3 months post removal. In Germany, the implant was to be removed at Week 52 with a 3-month safety follow-up period after removal.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Enrollment
368
LX201 is a novel sustained-release silicone implant containing 30% cyclosporine A by weight. LX201 was available in two different lengths, 0.50 and 0.75 inch. Each implant was 0.08 inch wide and 0.04 inch in height. The implants were flat on one side (the posterior surface, which is applied to the episclera) and the anterior surface and ends were rounded.
The placebo was a silicone implant 0.75 inch in length. It contained no cyclosporine A
graft rejection or graft failure
Time frame: 52 weeks
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