ArticleBiomolecules2026
Ocular Safety of Intravitreal Engineered Humanized Anti-VEGF Nanobody and Its Efficacy in the Attenuation of Choroidal Neovascularization and Associated Subretinal Fibrosis.
Article in Biomolecules, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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10 authors.
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Abstract
Current treatments for choroidal neovascularization (CNV) and its associated subretinal fibrosis (SRF), major causes of vision loss, are limited by the need for frequent intravitreal injections and the emergence of drug resistance. This study evaluated the safety and efficacy of the intravitreal administration of engineered humanized anti-vascular endothelial growth factor Nanobodies, including a wild-type Nanobody (WHNb) and two mutated variants (MHNb136 and MHNb256), in a rat model of laser-induced CNV and associated SRF. Safety was assessed through in vivo electrophysiological and histopathological analyses following intravitreal injection of Nanobodies at doses of 12.5, 25, 50, and 100 µg. Efficacy was evaluated in rat models of laser-induced CNV and SRF using double immunohistochemistry for isolectin B4 and anti-collagen type I on sclerochoroidal flat mounts. Mean CNV and SRF areas in Nanobody-treated groups were compared with those in bevacizumab-treated and sham control groups. None of the Nanobodies showed retinal toxicity in safety assessments. Compared with bevacizumab, MHNb136 and MHNb256 reduced the CNV area by 1.72-fold and 1.8-fold, respectively (both
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