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Leukocyte apheresis is a medical device therapy (selective granulocyte/monocyte adsorptive {GMA} apheresis; GMDN code: 47306) for the treatment of inflammation of the colon. It works by removing from the blood a group of white blood cells called activated leukocytes that play a key role in the inflammatory stages of ulcerative colitis (UC). Selectively reducing these cells in the blood helps to reduce inflammation in the colon. Leukocyte apheresis can help UC patients with chronic, grumbling disease who are either unsuitable for, intolerant of, or failing on medicines described above.

References

1. "Global Medical Device Network". Archived from the original on 2014-08-15.
2. Hanai H.; et al. (January 2011). "The mode of actions of the Adacolumn therapeutic leucocytapheresis in patients with inflammatory bowel disease: a concise review". Clinical & Experimental Immunology. 163 (1): 50–58. doi:10.1111/j.1365-2249.2010.04279.x. PMC 3010911. PMID 21078086.
3. Nikolaus S., Schreiber S.; et al. (April 1998). "Increased secretion of pro-inflammatory cytokines by circulating polymorphonuclear neutrophils and regulation by interleukin 10 during intestinal inflammation". Gut. 42 (4): 470–476. doi:10.1136/gut.42.4.470. PMC 1727082. PMID 9616306.
4. Muratov V.; et al. (2008). "Decreased numbers of FoxP3-positive and TLR-2-positive cells in intestinal mucosa are associated with improvement in patients with active inflammatory bowel disease following selective leukocyte apheresis". Journal of Gastroenterology. 43 (4): 277–282. doi:10.1007/s00535-007-2156-3. PMID 18458843. S2CID 23733856.
5. Dignass A.; et al. (2015). "P511 Efficacy and safety of granulocyte/monocyte adsorptive apheresis in steroid-dependent Active Ulcerative Colitis with insufficient response or intolerance to immunosuppressants and/or biological therapies (the ART trial): Results at 24 and 48 weeks". ecco-ibd.eu. The European Crohn's and Colitis Organisation (ECCO).

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