J L Lazaro1, V Izzo2, S Meaume3, A H Davies4, R Lobmann5, L Uccioli2. 1. University Podiatry Clinic, College of Medicine, Complutense University, Madrid, Spain. 2. Department of Systems Medicine - University of Tor Vergata - Roma, Italia. 3. Rothschild University Hospital, APHP, Paris, France. 4. Department of Surgery and Cancer, Faculty of Medicine, Imperial College School of Medicine, Charing Cross Hospital, London, UK. 5. Department of Endocrinology, Diabetology and Geriatrics - Klinikum Bürgerhospital, Stuttgart, Germany.
Abstract
OBJECTIVE: In the past 20 years, research and clinical trials on the healing process of chronic wounds have highlighted the key role of the family of enzymes called matrix metalloproteinases (MMPs). If a strong correlation between the course of healing of chronic wounds and the levels of a biological marker can be demonstrated, then it may be possible to: i) identify the best marker threshold to predict the clinical evolution of the pathology; and ii) if causality has been found between the marker and pathology, to improve the healing outcome, to change the marker level. METHOD: The databases Medline and Embase were searched to identify clinical trials pertaining to the assessment of MMPs in chronic wounds with the following keywords 'metalloproteinase' or 'metalloprotease' and 'wound healing'. Clinical trials were considered for inclusion if they enrolled patients with cutaneous chronic wounds and were published in English. More than 50 clinical trials, consensus documents and guidelines were assessed for this review. RESULTS: MMPs play key roles in the wound healing process, and excessive expression and activation of some of these enzymes is seen in chronic cutaneous wounds where healing is delayed. Levels of MMPs are affected by a number of factors, including patient and wound characteristics. CONCLUSION: Levels of MMPs can be used to indicate the prognosis of chronic wounds and protease modulating treatments used to improve healing rates. DECLARATION OF INTEREST: The authors report no conflicts of interest in this work.
OBJECTIVE: In the past 20 years, research and clinical trials on the healing process of chronic wounds have highlighted the key role of the family of enzymes called matrix metalloproteinases (MMPs). If a strong correlation between the course of healing of chronic wounds and the levels of a biological marker can be demonstrated, then it may be possible to: i) identify the best marker threshold to predict the clinical evolution of the pathology; and ii) if causality has been found between the marker and pathology, to improve the healing outcome, to change the marker level. METHOD: The databases Medline and Embase were searched to identify clinical trials pertaining to the assessment of MMPs in chronic wounds with the following keywords 'metalloproteinase' or 'metalloprotease' and 'wound healing'. Clinical trials were considered for inclusion if they enrolled patients with cutaneous chronic wounds and were published in English. More than 50 clinical trials, consensus documents and guidelines were assessed for this review. RESULTS: MMPs play key roles in the wound healing process, and excessive expression and activation of some of these enzymes is seen in chronic cutaneous wounds where healing is delayed. Levels of MMPs are affected by a number of factors, including patient and wound characteristics. CONCLUSION: Levels of MMPs can be used to indicate the prognosis of chronic wounds and protease modulating treatments used to improve healing rates. DECLARATION OF INTEREST: The authors report no conflicts of interest in this work.
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