Abstract
ABSTRACT Purpose To evaluate the efficacy of pegylated interferon (PEG-IFN) alpha-2a to treat post-uveitic relapsing macular edema (ME) after withdrawal of non-PEG IFN alpha-2a or 2b to maintain treatment efficacy. Methods This retrospective study investigated subjects with post-uveitic ME who received weekly subcutaneous PEG-IFN alpha-2a injections. Comparisons between baseline central macular thickness (CMT) and best-corrected visual acuity (BCVA) and those at all follow-up visits were made. Results Six patients (nine eyes) were treated and followed up for six months. CMT (mean [standard deviation]) decreased from 375[117] to 283[39] μm after one month (p < 0.001), remaining significantly lower up to the final follow-up visit at six months (275[38] μm, p = 0.008), and BCVA (0.21[0.16] logMAR at baseline) showed an improvement of 0.12[0.11] logMAR (p = 0.026) at six months. Neither recurrences nor any serious adverse events were recorded. Conclusions Post-uveitic ME patients were effectively and safely treated with PEG-IFN alpha-2a.
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