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Antony William, Raoul Verma-Fuehring, Sophia Kuehnel, Dorothee Schwabe, Daniel Kampik, Winfried Goebel, Jost Hillenkamp Department of Ophthalmology, University Hospital Würzburg, Würzburg, GermanyCorrespondence: Antony William, Department of Ophthalmology, University Hospital Würzburg, Joseph–Schneider Straße 11, Würzburg, 97080, Germany, Tel +4993120120646, Email William_a@ukw.dePurpose: To evaluate the morphological macular changes and fluid dynamics under brolucizumab treatment in eyes refractory to previous anti–vascular endothelial growth factor (anti-VEGF) treatment for neovascular age-related macular degeneration (nAMD) compared with treatment-naive eyes.Methods: Retrospective study of all eyes treated with brolucizumab for nAMD between 2020 and 2021 with a fixed injection regimen and one year follow-up. Treatment-naive eyes (TN) were compared with eyes refractory to previous treatment with bevacizumab, ranibizumab, or aflibercept (RT). The primary outcome measure was change of best-corrected visual acuity (BCVA). Secondary outcome measures included foveal central thickness (FCT), presence of intra- or subretinal fluid (IRF, SRF) and presence of pigment epithelial detachment (PED) at any time point during treatment in both groups.Results: Seventeen TN eyes and 17 RT eyes were included. Mean BCVA and mean FCT in TN eyes had significantly improved after 3 months and continued to improve during treatment (p< 0.05 and p=0.001, respectively). In RT eyes, mean BCVA did not change significantly while mean FCT had improved after 3 months of treatment and remained stable thereafter. SRF or PED were more frequent in RT eyes compared with TN eyes (p=0.003 and p=0.005, respectively).Conclusion: After 3 months of treatment, the BCVA increased significantly only in TN eyes, while the FCT was significantly reduced in both groups. IRF appears to be similarly seen in both groups after the loading phase; however, SRF and PED appear to be more frequent in the RT eyes compared with TN eyes.Keywords: treatment naïve, TN, refractory treatment, RT |
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