Efficacy and safety of risankizumab in patients with moderately to severely active Crohn’s disease: interim results from the SEQUENCE open-label extension study
Bibliographic record
Abstract
BACKGROUND AND AIMS: Risankizumab, a selective interleukin-23 p19 inhibitor, is approved to treat moderately to severely active Crohn's disease (CD) in adults. We report interim results from part 2 of the ongoing SEQUENCE trial evaluating long-term efficacy and safety of risankizumab in patients with active CD and previous anti-tumor necrosis factor failure. METHODS: Patients randomized to risankizumab who completed the part 1 Week 48 visit could continue receiving open-label subcutaneous risankizumab 360 mg every 8 weeks (part 2). Patients with inadequate response could receive rescue therapy (intravenous risankizumab 600 mg) before continuing regular treatment. This interim analysis assessed efficacy at Weeks 52, 76, and 100 of treatment; safety was evaluated throughout. RESULTS: Overall, 224 patients who received risankizumab 600 mg intravenous induction therapy and 360 mg subcutaneous maintenance therapy entered part 2. Clinical remission rates remained stable through Week 100 (as observed, ≥74.5%; nonresponder and modified non-responder imputation analyses showed similar trends). Most patients (>99%) achieving clinical remission were corticosteroid-free at the corresponding visit. CD-related hospitalization and surgery incidence were low (≤0.03 n/patient year), and Inflammatory Bowel Disease Questionnaire and 36-Item Short Form Health Survey improvements were sustained. Safety data were consistent with the known risankizumab safety profile; the exposure-adjusted serious adverse event rate was 11.8/100 patient-years. CONCLUSIONS: This interim analysis of continuous open-label risankizumab therapy showed durable long-term clinical efficacy and no new safety signals in patients with moderately to severely active CD. Future analyses will evaluate longer-term clinical and endoscopic outcomes and safety. CLINICAL TRIAL REGISTRATION NUMBER: NCT04524611.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.007 | 0.004 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.003 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".