Disease Clearance in Ulcerative Colitis: A Narrative Review
Bibliographic record
Abstract
Ulcerative colitis (UC) is a chronic relapsing disease with significant associated risks such as colectomy, hospitalization, or colorectal cancer. A treat-to-target approach that mitigates disease activity and progression from an early stage is needed. The latest STRIDE II guidelines advocate for clinical and endoscopic remission as the main therapeutic targets in the management of UC; however, histological remission is increasingly being recognized as an important outcome. The concept of disease clearance, a composite outcome comprising clinical, endoscopic, and histological remission, has been proposed as a potential target for patients with UC and has been precisely defined by the International Organization for the Study of Inflammatory Bowel Disease, with the aim of standardizing its use in clinical practice and research. Despite challenges, including variable standardized definitions and uncertainties regarding the timing of reaching different definitions of remission, disease clearance corresponds to comprehensive disease control, and its use as an outcome could help clinicians to better evaluate the actual status of the disease. Furthermore, achieving disease clearance may be related to an improved disease course, positive long-term outcomes, and an improvement in health-related quality of life. Real-world evidence supports the feasibility of achieving disease clearance with various treatment modalities, including vedolizumab, the only gut-selective antilymphocyte trafficking drug. The aim of this narrative review is to explore the concept of disease clearance in patients with disease clearance, mainly focusing on trials evaluating vedolizumab but also other biologics.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".