Abstract
Purpose
To examine the 16-week outcomes of switching to brolucizumab in eyes with neovascular age-related macular degeneration (nAMD) refractory to aflibercept.
Study design
Retrospective observational study.
Methods
Data of eyes with nAMD who switched to brolucizumab because of resistance to aflibercept were collected. The best-corrected visual acuity (BCVA; in logarithm of the minimum angle of resolution), central retinal thickness (CRT), central choroidal thickness (CCT), and exudative status on optical coherence tomography were analyzed.
Results
A total of 48 eyes of 48 patients were reviewed. At 4 to 7 weeks after switching, BCVA changed from 0.26 ± 0.19 to 0.25 ± 0.21 (not significant; P = 0.95), but CRT significantly decreased from 298.9 ± 108.4 µm to 241.9 ± 92.5 µm (P < 0.001) and CCT from 182.6 ± 89.3 µm to 169.7 ± 82.6 µm (P < 0.001). Of the 23 eyes refractory to monthly aflibercept injections, 12 (52.2%) achieved a dry macula, and 8 (34.8%) reduced exudative changes at 1 month. At 16 weeks, 31 eyes (64.6%) achieved the treatment interval ≥ 8 weeks. Two patients (4.2%) dropped out, 7 eyes (14.6%) developed intraocular inflammation (IOI), and 8 eyes (16.7%) switched back to aflibercept because of the failure to extend the treatment interval ≥ 8 weeks.
Conclusion
Switching to brolucizumab in eyes refractory to aflibercept conferred favorable outcomes in controlling exudative changes. However, IOI and the regulation of the treatment interval to at least 8 weeks during the maintenance phase disrupted the continuation of brolucizumab treatment.
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H. Ota, None; J. Takeuchi, Payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events (Novartis, Santen, Bayer); Y. Nakano, None; E. Horiguchi, None; Y. Taki, None; Y. Ito, Payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events (Bayer, Canon, ZEISS, Kowa, Novartis, Pfizer, Santen); H. Terasaki, Grant (ZEISS, Kowa, Otsuka, Senju, Santen, Alcon, Sanofi, Novartis, ROHTO, Bayer, Wakamoto, HOYA, Johnson&Johnson), Consulting fees (Bayer), Payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events (Otsuka, Kowa, Santen, Senju, Sanofi, Alcon, ROHTO, Novartis, Wakamoto, Bayer), Support for attending meetings and/or travel (Bayer); K. M. Nishiguchi, Grant (Takara Bio, Takeda, JCR Pharma, Alcon, Bayer, Novartis, Santen), Payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events (Alcon, Bayer, Novartis, Santen, Chugai, Kowa, Senju, Otsuka, Wakamoto), Patents planned, issued or pending (A gene therapy using genome editing with a single AAV vector); K. Kataoka, Payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events (Novartis, Senju, Santen, Bayer, Boehringer Ingelheim, Bayer).
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Corresponding Author: Keiko Kataoka
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Ota, H., Takeuchi, J., Nakano, Y. et al. Switching from aflibercept to brolucizumab for the treatment of refractory neovascular age-related macular degeneration. Jpn J Ophthalmol 66, 278–284 (2022). https://doi.org/10.1007/s10384-022-00908-1
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DOI: https://doi.org/10.1007/s10384-022-00908-1