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This review highlights recent advances in chitosan-based nanoparticles (CS NPs) for drug delivery, discussing their modifications, preparation methods, production with organic and inorganic materials, and their latest implementations in the field, emphasizing the role of CS NPs in improving drug transport and release properties.

This study found that a newly developed injectable hydrogel combined with human umbilical cord-mesenchymal stem cells significantly accelerated wound healing and reduced inflammation in full-thickness cutaneous wounds.

This study developed thermo-reversible glycol chitosan hydrogels that effectively form and maintain 3D cell spheroids within one day, offering a simplified method for creating biologically realistic cultures for tissue regeneration and drug screening applications.

This review reports that chitosan, a versatile polysaccharide, shows potential for various therapeutic applications due to its chemical modifications, notably in treating non-communicable diseases and wound healing, though further clinical study is needed to confirm these benefits.

This review highlights that while chitosan-based wound dressings with silver nanoparticles show promise for treating infected wounds due to enhanced antimicrobial activity, further studies are needed to address their in vivo toxicity and evaluate their efficacy in infectious animal models.