Pharmaceutical chitosan hydrogels: A review on its design and applications

Chellathurai, Melbha Starlin and Chung, Lip Yong and Hilles, Ayah R. and Sofian, Zarif Mohamed and Singha, Souvik and Ghosal, Kajal and Mahmood, Syed (2024) Pharmaceutical chitosan hydrogels: A review on its design and applications. International Journal of Biological Macromolecules, 280 (2). ISSN 0141-8130, DOI https://doi.org/10.1016/j.ijbiomac.2024.135775.

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Abstract

Chitosan (CS) has become a focal point of extensive research in the pharmaceutical industry due to its remarkable biodegradability, biocompatibility and sustainability. Chitosan hydrogels (CS HGs) are characterized by their viscoelasticity, flexibility and softness. The polar surfaces exhibit properties that mitigate interfacial tension between the hydrogel and body fluids. The inherent compatibility of CS HGs with body tissues and fluids positions them as outstanding polymers for delivering therapeutic proteins, peptides, DNA, siRNA, and vaccines. Designed to release drugs through mechanisms such as swelling-based diffusion, bioerosion, and responsiveness to stimuli, CS HGs offer a versatile platform for drug delivery. CS HGs play pivotal roles in serving purposes such as prolonging the duration of preprogrammed drug delivery, enabling stimuli-responsive smart delivery to target sites, protecting encapsulated drugs within the mesh network from adverse environments, and facilitating mucoadhesion and penetration through cell membranes. This review comprehensively outlines various novel preparation methods of CS HGs, delving into the parameters influencing drug delivery system design, providing a rationale for CS HG utilization in drug delivery, and presenting diverse applications across the pharmaceutical landscape. In synthesizing these facets, the review seeks to contribute to a nuanced understanding of the multifaceted role that CS HGs play in advancing drug delivery methodologies.

Item Type: Article
Funders: Ministry of Higher Education, Malaysia [Grant no. FRGS/1/2021/SKK0/UM/02/7]
Uncontrolled Keywords: Modified chitosan hydrogel; Protein and vaccine delivery; Diabetes; Glucose-responsive insulin delivery; Photo cross-linking; Microneedles; Chitosan nanogels
Subjects: R Medicine > RS Pharmacy and materia medica
Divisions: Faculty of Pharmacy > Department of Pharmaceutical Chemistry
Faculty of Pharmacy > Department of Pharmaceutical Technology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 30 Oct 2025 00:45
Last Modified: 30 Oct 2025 00:45
URI: http://eprints.um.edu.my/id/eprint/46353

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