Abstract
To evaluate the treatment outcomes of switching to intravitreal brolucizumab (IVBr) for neovascular age-related macular degeneration (nAMD) which did not achieve a dry macula even with 4- or 8-week intervals of intravitreal faricimab (IVF). Retrospective, interventional case series. We retrospectively studied 33 eyes of 33 consecutive patients with nAMD who switched to IVBr from IVF, assessing best corrected visual acuity (BCVA), foveal thickness (FT), central choroidal thickness (CCT), and exudative status at baseline and after the switch. For patients that switched 4 weeks after the last IVF (4-week interval group), treatment outcomes were evaluated 4 weeks after the switch. For patients that switched 8 weeks after the last IVF (8-week interval group), treatment outcomes were evaluated after the first 8-week interval following the switch. Thirty-one eyes had completed IVBr treatment up to the evaluation point after the switch. There were no significant changes in BCVA at baseline and after the switch in either group. FT and CCT significantly decreased after the switch compared with baseline in both groups. Moreover, in both groups, exudative changes disappeared or decreased in most cases after the switch. The dry macula rate after the switch was 37.5% and 34.8% in the 4-week and 8-week interval group, respectively. Although brolucizumab-related intraocular inflammation was observed in 3 eyes (9.1%) after the switch, it was ameliorated in response to steroid therapy. Switching to IVBr for nAMD refractory to IVF was generally effective in improving exudative changes in the short term.
Published Version
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