Maggot Debridement Therapy in Wound Care
Summary
Maggot debridement therapy (MDT) employs sterile larvae—most commonly of Lucilia sericata—to remove necrotic tissue, reduce microbial burden and stimulate wound healing. During application, larvae secrete a complex mixture of proteolytic enzymes, antimicrobial peptides and other bioactive factors that liquefy slough and disrupt bacterial biofilms, while physical movement promotes drainage and enhances granulation. This biosurgical approach is especially valuable for chronic, non‐healing wounds such as diabetic foot ulcers, pressure injuries and severe burns, where conventional sharp debridement may be contraindicated or incomplete. MDT is cost‐effective, often reduces the need for systemic antibiotics and can shorten hospital stays. Recent efforts focus on optimising delivery—through containment dressings or dried extracts—and on elucidating the molecular interactions between larval secretions and host immune cells. As antibiotic resistance and an ageing population drive demand for alternative therapies, MDT continues to gain acceptance in multidisciplinary wound‐care pathways worldwide.
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Maggot Debridement Therapy in Wound Care publication trend
The graph below shows the total number of articles in maggot debridement therapy in wound care across all publications each year (not limited to Nature Index journals).
Technical terms
Debridement: The surgical or biological removal of dead, damaged or infected tissue to promote healing.
Granulation tissue: New connective tissue and microscopic blood vessels that form on the surface of a wound during the healing process.
Excretions/Secretions (ES): A mixture of enzymes, peptides and other molecules released by maggots that dissolves necrotic tissue and inhibits microbial growth.
Biofilm: A structured community of microbes encased in a self‐produced polymeric matrix that adheres to wound surfaces and resists antimicrobial treatments.
References
- Larval therapy vs conventional silver dressings for full-thickness burns: a randomized controlled trial. BMC Medicine (2023).
- Lyophilized Extract from the Larvae of the Blowfly Lucilia sericata as a New Strategy for the Management of Chronic Wounds. Biomedicines (2025).
- Maggot Therapy in Wound Healing: A Systematic Review. International Journal of Environmental Research and Public Health (2020).
- Mechanisms of Maggot‐Induced Wound Healing: What Do We Know, and Where Do We Go from Here?. Evidence-based Complementary and Alternative Medicine (2014).
- Maggot Secretions Skew Monocyte-Macrophage Differentiation Away from a Pro-Inflammatory to a Pro-Angiogenic Type. PLOS ONE (2009).
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