Erschienen in:
31.03.2023 | Retinal Disorders
Cytokine profiles in the aqueous humor following brolucizumab administration for exudative age-related macular degeneration
verfasst von:
Ryo Terao, Ryo Obata, Atsushi Okubo, Shuichiro Aoki, Keiko Azuma, Tazbir Ahmed, Satoru Inoda, Yuto Hashimoto, Ryota Takahashi, Hana Yoshida, Manami Misawa, Hironori Takahashi, Hidenori Takahashi
Erschienen in:
Graefe's Archive for Clinical and Experimental Ophthalmology
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Ausgabe 9/2023
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Abstract
Purpose
To identify the inflammatory cytokine profile in the aqueous humor (AH) of patients with intraocular inflammation (IOI) after intravitreal administration of brolucizumab (IVBr) for neovascular age-related macular degeneration.
Methods
Eight eyes from seven patients with IOI after initial IVBr (IVBrIOI +) were enrolled. Sixteen eyes from 16 patients without IOI after IVBr (IVBrIOI −) and aflibercept (IVA) were used as controls. AH samples were analyzed using a multiplex immunoassay.
Results
C–C motif chemokine ligand (CCL)2, C-X-C motif chemokine ligand (CXCL)1, CXCL10, CXCL13, interleukin (IL)-6, IL-8, IL-10, matrix metalloproteinase (MMP)-1, MMP-9, granulocyte colony-stimulating factor (G-CSF), granulocyte–macrophage colony-stimulating factor (GM-CSF), intercellular adhesion molecule (ICAM)-1, E-selectin, and P-selectin levels were significantly higher in IVBrIOI + than in IVBrIOI − and IVA. Vascular endothelial growth factor (VEGF) was significantly lower in IVBrIOI − compared to that in IVBrIOI + and IVA. In the IVBrIOI + group, there were significant correlations between CCL2, CXCL1, IL-6, IL-8, IL-10, G-CSF, GM-CSF, ICAM-1, and E-selectin, which also exhibited significant correlations in the IVBrIOI − group.
Conclusion
The number of inflammatory cytokines increases during IOI, which is associated with type IV hypersensitivity and vascular inflammation. Some cytokines exhibit correlations even in non-inflamed eyes, indicating a subclinical response to IVBr.