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. 2023 Mar;72(3):433-442.
doi: 10.1136/gutjnl-2022-327533. Epub 2022 Sep 28.

Early management of acute severe UC in the biologics era: development and international validation of a prognostic clinical index to predict steroid response

Alex Adams  1 , Vipin Gupta  2   3 , Waled Mohsen  2   4 , Thomas P Chapman  2   5 , Deloshaan Subhaharan  4 , Pradeep Kakkadasam Ramaswamy  4 , Sudheer Kumar  6 , Saurabh Kedia  6 , Colleen Gc McGregor  2 , Tim Ambrose  2 , Bruce D George  2 , Rebecca Palmer  2 , Oliver Brain  2 , Alissa Walsh  2 , Vineet Ahuja  6 , Simon P L Travis  2 , Jack Satsangi  1
Affiliations

Early management of acute severe UC in the biologics era: development and international validation of a prognostic clinical index to predict steroid response

Alex Adams et al. Gut. 2023 Mar.

Abstract

Objectives: We aimed to determine whether changes in acute severe colitis (ASC) management have translated to improved outcomes and to develop a simple model predicting steroid non-response on admission.

Design: Outcomes of 131 adult ASC admissions (117 patients) in Oxford, UK between 2015 and 2019 were compared with data from 1992 to 1993. All patients received standard treatment with intravenous corticosteroids and endoscopic disease activity scoring (Ulcerative Colitis Endoscopic Index of Severity (UCEIS)). Steroid non-response was defined as receiving medical rescue therapy or surgery. A predictive model developed in the Oxford cohort was validated in Australia and India (Gold Coast University Hospital 2015-2020, n=110; All India Institute of Medical Sciences, New Delhi 2018-2020, n=62).

Results: In the 2015-2019 Oxford cohort, 15% required colectomy during admission vs 29% in 1992-1993 (p=0.033), while 71 (54%) patients received medical rescue therapy (27% ciclosporin, 27% anti-tumour necrosis factor, compared with 27% ciclosporin in 1992-1993 (p=0.0015). Admission C reactive protein (CRP) (false discovery rate, p=0.00066), albumin (0.0066) and UCEIS scores (0.015) predicted steroid non-response. A four-point model was developed involving CRP of ≥100 mg/L (one point), albumin of ≤25 g/L (one point), and UCEIS score of ≥4 (1 point) or ≥7 (2 points). Patients scoring 0, 1, 2, 3 and 4 in the validation cohorts had steroid response rates of 100, 75.0%, 54.9%, 18.2% and 0%, respectively. Scoring of ≥3 was 84% (95% CI 0.70 to 0.98) predictive of steroid failure (OR 11.9, 95% CI 10.8 to 13.0). Colectomy rates in the validation cohorts were were 8%-11%.

Conclusions: Emergency colectomy rates for ASC have halved in 25 years to 8%-15% worldwide. Patients who will not respond to corticosteroids are readily identified on admission and may be prioritised for early intensification of therapy.

Keywords: clinical decision making; ulcerative colitis.

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Conflict of interest statement

Competing interests: AW reported personal fees outside the submitted work from Ferring Pharmaceuticals, Janssen and Takeda. SPLT reported outside the submitted work receipt of grants/research support from AbbVie, Buhlmann, Celgene, IOIBD, Janssen, Lilly, Pfizer, Takeda, UCB, Vifor and Norman Collisson Foundation; consulting fees from AbbVie, Allergan, Amgen, Arena, Asahi, Astellas, Biocare, Biogen, Boehringer Ingelheim, Bristol-Myers Squibb, Buhlmann, Celgene, Chemocentryx, Cosmo, Enterome, Ferring, Giuliani SpA, GSK, Genentech, Immunocore, Immunometabolism, Indigo, Janssen, Lexicon, Lilly, Merck, MSD, Neovacs, Novartis, NovoNordisk, NPS Pharmaceuticals, Pfizer, Proximagen, Receptos, Roche, Sensyne, Shire, Sigmoid Pharma, SynDermix, Takeda, Theravance, Tillotts, Topivert, UCB, VHsquared, Vifor and Zeria; speaker fees from AbbVie, Amgen, Biogen, Ferring, Janssen, Lilly, Pfizer, Shire and Takeda; and no stocks or share options. JS received lecture fees from Takeda and from the Falk Foundation.

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