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Managing complex perianal disease after anti-TNF failure: Where to go next?

ABSTRACT: Crohn's disease is a chronic inflammatory bowel disease that affects various intestinal segments and can involve the perianal region. Although anti-tumor necrosis factor (TNF) agents have revolutionized the management of Crohn's disease and improved the prognosis for patients with perianal Crohn's disease (pCD), their long-term effectiveness is limited: over 60% of patients relapse after one year of maintenance therapy. In recent years, significant advances have been made in the treatment of complex perianal fistulas after anti-TNF failure. Concomitant treatment with antibiotics and immunosuppressants improves the effectiveness of anti-TNF agents. Therapeutic drug monitoring and dose adjustment of anti-TNF therapy (targeting a higher trough level) might also improve treatment response. Novel therapeutic strategies might provide new opportunities for pCD management; for example, ustekinumab might be effective after anti-TNF treatment failure, although more studies are needed. As suggested in recent international guidelines, mesenchymal stem cell injection might be an effective, safe treatment for complex pCD.

SUBMITTER: Yzet C

PROVIDER: S-EPMC8784625 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Managing complex perianal disease after anti-TNF failure: Where to go next?

Yzet Clare C Brazier Franck F Sabbagh Charles C Fumery Mathurin M

Current research in pharmacology and drug discovery 20220113

Crohn's disease is a chronic inflammatory bowel disease that affects various intestinal segments and can involve the perianal region. Although anti-tumor necrosis factor (TNF) agents have revolutionized the management of Crohn's disease and improved the prognosis for patients with perianal Crohn's disease (pCD), their long-term effectiveness is limited: over 60% of patients relapse after one year of maintenance therapy. In recent years, significant advances have been made in the treatment of com ...[more]

PMID: 35106477

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Project description:BackgroundAnti-TNF medications are the first-line treatment for Crohn's Disease (CD), despite the fact that a significant portion of the population continues to be ineffectively treated. This research aims to discover accurate intervention targets for the follow-up of anti-TNF non-responders using bioinformatics technology.MethodsGSE16879, GSE111761, and GSE52746 retrieved from the GEO database. Unbiased differentially expressed genes (DEGs) were discovered utilizing the limma and RobustRankAggreg (RRA) tools. Then, we used weighted gene co-expression network analysis (WGCNA) to identify the module most strongly associated with non responders and subjected this module to Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) enrichment analysis with overlapping genes of the DEGs. GSEA analysis applied to check the results of GO and KEGG. Using the Cytoscape program, the protein-protein interaction (PPI) network was constructed. The software's MCODE addon and CytoHubba addon was used to find the most important modules and the hub genes. Subsequently, we employed reverse transcription-polymerase chain reaction (RT-PCR) to confirm hub gene expression from mucosal biopsy specimens.ResultsThere were a total of 142 genes co-upregulated and 65 genes co-downregulated. According to the WGCNA analysis, 42 genes were duplicated inside the light cyan module. GO and KEGG enrichment analyses of overlapped genes in nonresponders demonstrated an increase in the expression of genes associated with inflammation and immune response, consistent with GSEA results. The PPI network was constructed using 41 protein nodes and 177 edges. After validation, 8 of the top 10 genes were verified to be differentially expressed.ConclusionOur investigation is the first to integrate three CD databases after the anti-TNF medication treatment. We identified IL1B, CCL4, CXCL1, CXCL10, CCL3, CSF3, TREM1, and IL1RN as potential therapeutic targets for patients whose anti-TNF treatment failed.

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Managing complex perianal disease after anti-TNF failure: Where to go next?

Publications

Managing complex perianal disease after anti-TNF failure: Where to go next?

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