Current, experimental, and future treatments in inflammatory bowel disease: a clinical review

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Abstract

Inflammatory bowel diseases (IBDs) may result from dysregulated mucosal immune responses directed toward the resident intestinal microbiota. This review describes the hallmark immunobiology of Crohn's disease and ulcerative colitis as well as therapeutic targets and mechanisms of action for current, experimental, and future treatments in IBD. Conventional therapies include 5-aminosalicylic acid, glucocorticosteroids, thiopurines, and methotrexate. Since 1997, monoclonal antibodies have gained widespread use. These consist of antibodies directed against pro-inflammatory cytokines such as tumor necrosis factor α, interleukin (IL)-12, and IL-23, or anti-homing antibodies directed against α4β7 integrin. Emerging oral therapies include modulators of intracellular signal transduction such as Janus kinase inhibitors. Vitamin D may help to regulate innate and adaptive immune responses. Modulation of the intestinal microbiota, using live microorganisms (probiotics), substrates for the colonic microbiota (prebiotics), or fecal microbiota transplantation (FMT), is in development. Dietary supplements are in widespread use, but providing evidence for their benefit is challenging. Stem cell treatment and nervous stimulation are promising future treatments.

Original languageEnglish
JournalImmunopharmacology and Immunotoxicology
Volume40
Issue6
Pages (from-to)446-460
Number of pages15
ISSN0892-3973
DOIs
Publication statusPublished - 2018

Keywords

  • Crohn’s disease
  • Inflammatory bowel disease
  • antibodies
  • fecal microbiota transplantation
  • monoclonal
  • ulcerative colitis

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