06 November 2023
: Case report 
Upadacitinib as a Rescue Therapy in Acute Severe Ulcerative Colitis: A Case Report and Review of the Literature
Unusual or unexpected effect of treatment
Nargess Mahmoud Ali1DEF, Mohammad Abdullah Shehab1ABDE*DOI: 10.12659/AJCR.940966
Am J Case Rep 2023; 24:e940966
Figure 1. (A) The rectum before starting upadacitinib, with severe ulcerations, loss of vascularity, pseudopolyps, and deformed lumen. (B) The sigmoid colon before starting upadacitinib, with severe ulcerations, loss of vascularity, pseudopolyps,and deformed lumen. (C) The rectum after 6 months of upadacitinib, with no ulcerations except for mild erythema. (D) The sigmoid after 6 months of upadacitinib, with no ulcerations.