Cornea · 2023
Prospective Assessment of Loteprednol Etabonate 0.25% for Prevention of Immunologic Rejection After Descemet Membrane Endothelial Keratoplasty in Eyes With Fuchs Dystrophy.
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Price Marianne O, Feng Matthew T, Gang Anjulie, Price Francis W
Аннотация
PURPOSE: The purpose of this study was to assess off-label use of loteprednol etabonate 0.25% ophthalmic suspension for prevention of immunologic rejection after Descemet membrane endothelial keratoplasty (DMEK).
METHODS: This prospective, open-label study enrolled 70 eyes of 70 participants without preexisting glaucoma 1 month after DMEK. Participants used topical loteprednol 0.25% 4 times daily for 2 months, tapered by 1 drop/month to once daily use, and continued use through 1 year after DMEK. Main outcomes were rate of intraocular pressure (IOP) elevation (defined as a relative increase of ≥10 mm Hg over the pretransplant IOP) and rate of initial allograft rejection episodes. The results were compared with historical data using the log-rank test.
RESULTS: All participants had Fuchs dystrophy, and 40 of 70 (57%) were female. None (0%) experienced an immunologic graft rejection episode, matching the previously reported efficacy of prednisolone acetate 1% suspension and loteprednol 0.5% gel (both 0% incidence). One study eye developed IOP elevation 3 months after DMEK (cumulative risk 1.5%). Compared with historical data, this was similar to the risk with loteprednol 0.5% gel (4%, P = 0.36) and significantly lower than the risk with prednisolone 1% suspension (18%, P = 0.0025). Two participants (3%) complained of instillation site discomfort, consistent with the 5% rate reported on package labeling.
CONCLUSIONS: Loteprednol 0.25% suspension, approved for short-term treatment of dry eyes, effectively prevented immunologic rejection episodes with minimal risk of IOP elevation when used from 1 month until 12 months after DMEK in patients without preexisting glaucoma.
METHODS: This prospective, open-label study enrolled 70 eyes of 70 participants without preexisting glaucoma 1 month after DMEK. Participants used topical loteprednol 0.25% 4 times daily for 2 months, tapered by 1 drop/month to once daily use, and continued use through 1 year after DMEK. Main outcomes were rate of intraocular pressure (IOP) elevation (defined as a relative increase of ≥10 mm Hg over the pretransplant IOP) and rate of initial allograft rejection episodes. The results were compared with historical data using the log-rank test.
RESULTS: All participants had Fuchs dystrophy, and 40 of 70 (57%) were female. None (0%) experienced an immunologic graft rejection episode, matching the previously reported efficacy of prednisolone acetate 1% suspension and loteprednol 0.5% gel (both 0% incidence). One study eye developed IOP elevation 3 months after DMEK (cumulative risk 1.5%). Compared with historical data, this was similar to the risk with loteprednol 0.5% gel (4%, P = 0.36) and significantly lower than the risk with prednisolone 1% suspension (18%, P = 0.0025). Two participants (3%) complained of instillation site discomfort, consistent with the 5% rate reported on package labeling.
CONCLUSIONS: Loteprednol 0.25% suspension, approved for short-term treatment of dry eyes, effectively prevented immunologic rejection episodes with minimal risk of IOP elevation when used from 1 month until 12 months after DMEK in patients without preexisting glaucoma.