Multimodal Topical Formulations Combining Synthetic Anti-Inflammatory Agents, Levofloxacin, and Plant Extracts for Veterinary Wound and Inflammation Care: In Vivo Efficacy
Abstract
Skin wound management in veterinary medicine requires therapies able to control inflammation, limit microbial burden, and support tissue repair. This study evaluated the anti-inflammatory, wound-healing, and immunomodulatory effects of four novel topical formulations combining synthetic anti-inflammatory drugs, antibiotics, and plant extracts in rat experimental models. Burn injury was induced in male Wistar rats for wound-healing assessment, while kaolin- and dextran-induced paw edema models were used to assess anti-inflammatory activity. The tested formulations were meloxicam, dexamethasone, and levofloxacin; thyme extract with meloxicam and dexamethasone; burdock extract with dexamethasone and levofloxacin; and thyme extract combined with burdock extract. Wound evolution was monitored macroscopically, edema was quantified by plethysmometry, and selected inflammatory mediators were measured by immunoassay. In the burn model, the thyme-containing formulation with meloxicam and dexamethasone, and the thyme-burdock formulation, achieved complete wound closure by the end of follow-up, whereas the reference product did not. In the acute inflammation models, all innovative formulations significantly reduced edema at the main early time points compared with the negative control and outperformed the reference product. The thyme-burdock formulation also showed the most favorable immunomodulatory profile, including normalization of interleukin-10 and marked reduction in…
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