Abstract
Mini Review
Injectable Multifunctional Natural Polymer-Based Hydrogels for the Local Delivery of Therapeutic Agents
Xue Bai 1,Annalisa Tirella1,2,*
1 Division of Pharmacy and Optometry, School of Health Science, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK.
2 BIOtech-Center for Biomedical Technologies, Department of Industrial Engineering, University of Trento, Via delle Regole 101, Trento 38123, Italy.
* Correspondence: annalisa.tirella@unitn.it , annalisa.tirella@manchester.ac.uk (Annalisa Tirella).
Received: 13 November 2022
Accepted: 15 November 2022
Published: 21 December 2022
Abstract: Hydrogels are water-based polymeric three-dimensional network with advantageous properties for the delivery of bioactive components, ranging from small therapeutic agents to therapeutic cells. Natural-based hydrogels have great potential as delivery vehicles for the local controlled release of therapeutic agents at the target site. Injectable hydrogels are designed to load therapeutic agents by simple mixing within the polymer solutions, as well as use nanoparticles able to respond to specific external conditions, such as temperature and pH. Herein, we present an overview of the properties of natural injectable hydrogels and recent developments for their use to control the local release of therapeutic agents; as well as strategies to crosslink in-situ multifunctional injectable hydrogels that act as therapeutical depot system. The mini review focuses on alginate-based injectable hydrogels as controlled drug delivery systems, presenting advantages and challenges of their application in cancer therapy
Publisher
Australia Academic Press Pty Ltd
Cited by
2 articles.
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