Abstract
Purpose
To investigate baseline characteristics associated with the incidence of intraocular inflammation (IOI) after the intravitreal injection of brolucizumab (IVBr) for the treatment of neovascular age-related macular degeneration (nAMD).
Methods
This retrospective study included 66 eyes of 62 consecutive patients with nAMD who received IVBr (18 eyes were treatment naïve and 48 eyes had switched from other anti-vascular endothelial growth factor [VEGF] therapy). Baseline clinical characteristics were compared in non-IOI and IOI groups.
Results
Although a dry macula was achieved at a high rate even 6 months after IVBr, IOI occurred in 8 of 66 eyes (12.1%; all had switched therapy) during the study period. Baseline characteristics including age, sex, nAMD type, lens status, visual acuity, central macular thickness, and a history of diabetes did not differ between the groups. The number of previous anti-VEGF injections before IVBr was greater in the IOI group (P = 0.004), and the ratio of patients with a laser flare-cell photometry (LFCP) value over 15 photon count per millisecond (pc/ms) was higher in the IOI group (P = 0.017). Multivariate logistic regression analysis showed that a greater number of previous anti-VEGF injections (odds ratio [OR]: 1.12, P = 0.006; area under the curve: 0.82, cut-off score: 14.0) and an LFCP value over 15 pc/ms (OR: 81.6, P = 0.031) were significantly associated with the incidence of IOI after IVBr.
Conclusion
A number of previous anti-VEGF injections greater than 14 and an LFCP value more than 15 pc/ms might be useful predictors of the incidence of IOI after IVBr in eyes with nAMD.
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Data availability
The principal investigator, Keisuke Hoshi, had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. The data that support the findings of this study are available from the corresponding author, Hiroshi Kunikata, and the principal investigator, Keisuke Hoshi, upon reasonable request.
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Funding
This paper was supported by JST grants from JSPS KAKENHI Grants-in-Aid for Scientific Research (C) (H.K. 17K11445 and M.Y. 23K09055) and COI-NEXT (JPMJPF2201). The funders had no role in the design or conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; or the decision to submit the manuscript for publication.
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Involved in design and conduct of the study were (HK); preparation, collection, management, analysis, and interpretation of the data (KH, HK, NA, MY, TO, HT, TA and TN); and approval of the manuscript (TN). HK, NA and MY wrote the main manuscript text. KH and NA prepared all tables and all figures, and all authors reviewed the manuscript.
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Hoshi, K., Kunikata, H., Aizawa, N. et al. Baseline characteristics associated with the incidence of intraocular inflammation after the intravitreous injection of brolucizumab. Int Ophthalmol 43, 4701–4709 (2023). https://doi.org/10.1007/s10792-023-02870-4
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DOI: https://doi.org/10.1007/s10792-023-02870-4