Abstract
Aim: This study aims to explore potential of transniosomes, a hybrid vesicular system, as ocular drug-delivery vehicle. Materials & methods: Thin-film hydration technique was used to fabricate brinzolamide-loaded transniosomes (BRZ-TN) and optimized using Box-Behnken design, further exhaustively characterized for physicochemical evaluations, deformability, drug release, permeation and preclinical evaluations for antiglaucoma activity. Results: The BRZ-TN showed ultradeformability (deformability index: 5.71), exhibiting sustained drug release without irritation (irritancy score: 0) and high permeability compared with the marketed formulation or free drug suspension. The extensive in vivo investigations affirmed effective targeted delivery of transniosomes, with brinzolamidereducing intraocular pressurepotentially. Conclusion: Our findings anticipated that BRZ-TN is a promising therapeutic nanocarrier for effectively delivering cargo to targeted sites by crossing corneal barriers.
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