Progressive Hydrogel Applications in Diabetic Foot Ulcer Management: Phase-Dependent Healing Strategies

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Polymer Chemistry

Background:

• Diabetic foot ulcers (DFUs) are a growing global health concern, complicating wound healing due to metabolic and inflammatory issues.
• Untreated DFUs can lead to severe infections, tissue death, and amputation, necessitating advanced treatment strategies.

Purpose of the Study:

• To review hydrogel-based strategies for phase-wise targeting of diabetic foot ulcers (DFUs).
• To explore the application of natural and synthetic polymers in fabricating hydrogels for DFU management.
• To highlight recent innovations in hydrogel technology for improved DFU therapeutic outcomes.

Main Methods:

• Review of literature on hydrogel applications in wound healing, focusing on diabetic foot ulcers.
• Analysis of natural polymers (hyaluronic acid, chitosan, cellulose derivatives) and synthetic polymers (PEG, PAA, PHEMA, polyacrylamide) for hydrogel fabrication.
• Examination of advanced hydrogel types: self-healing, stimuli-responsive, nanocomposite, bioactive, and 3D-printed hydrogels.

Main Results:

• Hydrogels offer a promising microenvironment for wound healing in DFUs.
• Phase-dependent hydrogel strategies can target specific stages of DFU healing: hemostasis, infection, inflammation, and proliferation/remodeling.
• Innovative hydrogel formulations demonstrate enhanced therapeutic potential for DFU treatment.

Conclusions:

• Hydrogels provide a versatile platform for developing targeted therapies for diabetic wound care.
• Phase-specific hydrogel interventions hold significant potential to advance the management of diabetic foot ulcers.
• Advanced hydrogel technologies can improve patient outcomes by addressing the complex challenges of DFU healing.