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Botulinum toxin effects on biochemical biomarkers related to inflammation-associated head and neck chronic conditions : a systematic review of preclinical research
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Orientador(es)
Resumo(s)
Current research reported that the number of clinical studies found for botulinum toxin (BoNT) key effects on biochemical biomarkers in head and neck chronic conditions linked to inflammation was very low. There are no systematic reviews of animal studies on this topic, and hence our review aimed to evaluate the quality of the preclinical evidence. We searched PubMed, Scopus, and Web of Science databases, and registries up to 29 January 2024. There were 22 eligible records, and data were available for 11 randomised controlled trials. There were concerns about the risk of bias and great variations of data obtained regarding chronic conditions, which included mostly trigeminal neuralgia. The leading biomarkers were proinflammatory cytokines (IL-1β, TNF-α) and synaptosomal-associated protein-25 (SNAP25), followed by neuron activation marker c-Fos and calcitonin gene-related peptide (CGRP). Overall, data found that BoNT significantly altered the under/over-expression of biomarkers evoked by the investigated disease models and had no effect when the levels of these biomarkers were not changed by the induced chronic conditions in animals. However, there were some mixed results and exceptions, and the certainty evidence found was very low to low. Although the sample sizes detected significant effect size (p < 0.05), most studies are based on male inferior animals, which may limit the recommendations for clinical trials. This study is registered on PROSPERO (CRD42023432411).
Descrição
Palavras-chave
biomarkers botulinum toxin inflammation head and neck chronic conditions animal studies
Contexto Educativo
Citação
Novo Pereira I, De la Torre Canales G, Durão S, Shado R, Braga AC, Almeida AM, Hassan H, Manso AC, Faria-Almeida R. Botulinum Toxin Effects on Biochemical Biomarkers Related to Inflammation-Associated Head and Neck Chronic Conditions: A Systematic Review of Preclinical Research. Toxins. 2025; 17(8):377. https://doi.org/10.3390/toxins17080377
Editora
MDPI