RESPONSE TO AFLIBERCEPT AS SECONDARY THERAPY IN PATIENTS WITH PERSISTENT RETINAL EDEMA DUE TO CENTRAL RETINAL VEIN OCCLUSION INITIALLY TREATED WITH BEVACIZUMAB OR RANIBIZUMAB


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Abstract

Background:Recent advances have given practitioners options for the treatment of macular edema secondary to central retinal vein occlusion. These options include steroid injections and implants as well as anti-vascular endothelial growth factor medications. However, there is little in the medical literature to guide secondary therapy when an initial treatment strategy is insufficient. The authors present encouraging results from the treatment of six consecutive cases of central retinal vein occlusion treated with aflibercept as a secondary therapy for macular edema refractory to repeated intravitreal bevacizumab or ranibizumab injections.Methods:A retrospective review of six consecutive cases of central retinal vein occlusion with persistent macular edema despite regular anti-vascular endothelial growth factor injections that were transitioned to aflibercept was conducted. Optical coherence tomography and visual acuity data were examined.Results:All six eyes from the six patients included showed either complete or near complete resolution of macular edema with one or two injections of aflibercept. The improvement in edema was accompanied by lasting modest visual gains in three of the six patients and in subjective visual improvement in four of the six patients.Conclusion:The six eyes in this series all responded favorably to aflibercept as a secondary therapy. Although the sample size is too small to draw definitive conclusions, the results are encouraging.

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