What question did this study set out to answer?

This research aims to validate the ASUC score for predicting steroid non-response in patients with acute severe ulcerative colitis (ASUC).

January 23, 2026Journal of Crohn s and Colitis

P0520Early identification of steroid non-responders in acute severe ulcerative colitis: external validation of the ASUC score and comparison with established prognostic models

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This research aims to validate the ASUC score for predicting steroid non-response in patients with acute severe ulcerative colitis (ASUC).
Conducted a single-center retrospective validation study of ASUC admissions from 2015 to 2024.
Assessed corticosteroid non-response based on various established prognostic models.
Evaluated model performance using metrics like AUC, calibration, and clinical utility.
Ninety-one admissions studied, with 19.8% requiring rescue therapy and 5.5% undergoing colectomy.
ASUC score demonstrated excellent discrimination with AUC of 0.89 and sensitivity of 94%.
Compared to traditional indices, ASUC showed better performance across various thresholds.

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Implication

Validation study identifies corticosteroid non-responders in acute severe ulcerative colitis, suggesting ASUC score’s superiority over traditional models.

Cite This Study

Mesquita et al. (2026) studied this question.

synapsesocial.com/papers/69730ef2c8125b09b0d1eca4 https://doi.org/10.1093/ecco-jcc/jjaf231.701

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Implication

Validation study identifies corticosteroid non-responders in acute severe ulcerative colitis, suggesting ASUC score’s superiority over traditional models.

P0520Early identification of steroid non-responders in acute severe ulcerative colitis: external validation of the ASUC score and comparison with established prognostic models

Key Points

Discussion

Implication

Cite This Study

P0520Early identification of steroid non-responders in acute severe ulcerative colitis: external validation of the ASUC score and comparison with established prognostic models

Key Points

Discussion

Implication

Cite This Study