19 Gelatin-functionalised hyaluronic acid-based hydrogels with antimicrobial peptides for chronic wound treatment - Scorecard - MDSpire

19 Gelatin-functionalised hyaluronic acid-based hydrogels with antimicrobial peptides for chronic wound treatment

  • By

  • N Petit

  • Ana Gomes

  • Paula Gomes

  • S Browne

  • August 20, 2025

  • 0 min

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Clinical Scorecard: Antimicrobial Peptide-Enhanced Gelatin-Modified Hyaluronic Acid Hydrogels for the Management of Chronic Wounds

At a Glance

CategoryDetail
ConditionChronic wounds including diabetic foot ulcers (DFU)
Key MechanismsImpaired healing due to chronic hyperglycaemia causing dysregulated inflammation and angiogenesis; bacterial infection risk
Target PopulationPatients with chronic wounds, specifically diabetic foot ulcers
Care SettingWound care and management settings, including clinical and research environments

Key Highlights

  • Development of hyaluronic acid-based hydrogels chemically modified with acrylate groups and crosslinked with PEG dithiol for stability
  • Incorporation of thiolated gelatin enhances cell adhesion and bioactivity supporting key wound repair cells
  • Inclusion of cysteine-terminated antimicrobial peptide PP4-3.1 provides localized bactericidal activity against Staphylococcus aureus

Guideline-Based Recommendations

Diagnosis

  • Identify chronic wounds such as diabetic foot ulcers with impaired healing and bacterial colonization

Management

  • Use multifunctional hydrogels combining structural support, enhanced bioactivity, and localized antimicrobial effects
  • Incorporate gelatin at optimal concentration (0.5%) to improve hydrogel stability and cell adhesion
  • Apply antimicrobial peptides to target prevalent bacteria like Staphylococcus aureus

Monitoring & Follow-up

  • Assess wound healing progression and infection control during hydrogel treatment
  • Evaluate cellular response including fibroblast and endothelial cell adhesion and spreading

Risks

  • Potential for bacterial infection persistence if antimicrobial activity is insufficient
  • Need for further pre-clinical evaluation to confirm long-term safety and efficacy

Patient & Prescribing Data

Individuals with chronic wounds, particularly diabetic foot ulcers prone to infection and impaired healing

Hydrogels functionalized with gelatin and antimicrobial peptides provide a promising approach to accelerate healing by enhancing cell adhesion and delivering localized antimicrobial activity

Clinical Best Practices

  • Select hydrogels with rapid gelation and elastic properties to maintain wound dressing integrity
  • Optimize gelatin concentration to balance stability and bioactivity for effective cell support
  • Incorporate antimicrobial peptides targeting common wound pathogens to reduce infection risk
  • Monitor wound healing and infection status regularly to adjust treatment as needed
  • Support further research and clinical trials to validate hydrogel efficacy in chronic wound management

References

Original Source(s)

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