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Topical antimicrobial peptide formulations for wound healing: Current developments and future prospects
Raj Kumar Thapa1, Dzung B Diep2, Hanne Hjorth Tønnesen1
1Section for Pharmaceutics and Social Pharmacy, Department of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, NO-0316 Oslo, Norway.
Acta Biomaterialia
|December 25, 2019
Summary
Antimicrobial peptides (AMPs) show promise for wound healing but degrade quickly. Formulating AMPs into topical treatments enhances their stability and effectiveness against wound infections.
Area of Science:
- Biomedical Engineering
- Materials Science
- Pharmacology
Background:
- Antimicrobial peptides (AMPs) are natural antibiotics with potent antibacterial and wound healing properties.
- Bare AMPs exhibit limited topical efficacy due to environmental and wound-related degradation, and short residence time.
- Chronic wound infections and antibiotic resistance are significant global health challenges.
Purpose of the Study:
- To provide an overview of AMPs and their formulations for topical wound healing applications.
- To discuss current understanding and developments in AMP topical formulations.
- To explore future prospects for effective combination AMP formulations.
Main Methods:
- Review of existing literature on AMPs and their topical formulations.
- Analysis of various formulation strategies including nanoparticles, hydrogels, creams, ointments, and wafers.
- Discussion of factors affecting AMP stability and delivery in wound environments.
Main Results:
- Formulation of AMPs is essential to enhance stability, prolong delivery, and optimize effectiveness at the wound site.
- Various topical formulations have been developed to control bacterial infection and promote wound healing in vivo.
- AMPs offer a potential solution to combat bacterial infections with a minimal risk of resistance development.
Conclusions:
- Optimized topical formulations are necessary to maximize the antimicrobial and wound healing effects of AMPs.
- Sustained AMP delivery and enhanced peptide stability are crucial for effective wound management.
- Further research into combination AMP formulations holds promise for future therapeutic strategies.
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