Systematic review: granulocyte/monocyte adsorptive apheresis for ulcerative colitis

S Thanaraj ¹, P J Hamlin, A C Ford,Aliment Pharmacol Ther . 2010 Dec;32(11-12):1297-306.

Granulocyte/monocyte adsorptive apheresis appears of some benefit in UC. High-quality RCTs comparing granulocyte/monocyte adsorptive apheresis with conventional medical therapy or sham procedure in Western populations, with disease activity confirmed endoscopically, are required.

https://pubmed.ncbi.nlm.nih.gov/21050231/