Review: Efficacy and safety of adalimumab in Crohn's disease
Bibliographic record
Abstract
Adalimumab (ADA) is a subcutaneously (SC) self-administered fully human Ig G1 monoclonal antibody directed against tumor necrosis factor alpha (TNFce). In the CLASSIC dose-ranging trial, ADA was superior to placebo for inducing remission in patients with moderate-to-severe Crohn's disease (CD) naive to TNFa inhibitor therapy. In CLASSIC II, patients in remission following CLASSIC I maintained remission for up to 56 weeks while on ADA. In CHARM, approximately 40% of the 499 patients with moderate-to-severe CD who responded to ADA, maintained remission at 26 and 52 weeks, thus confirming long-term efficacy. ADA demonstrated steroid-sparing properties, beneficial effects in patients with perianal fistulas, and decreases in rates of hospitalization and surgery. Sub-group analyses demonstrated similar remission rates irrespective of concomitant immunosuppressive use or previous exposure to other TNFa inhibitor therapy. In the GAIN trial, 325 patients who had either lost response or become intolerant to infliximab (IFX) were randomized to recieve ADA induction therapy or placebo. In this difficult-to-treat patient population, 21% achieved remission and half demonstrated clinical benefit from ADA induction therapy. Injection site reactions may occur with SC ADA (2-5% of patients), which are generally less dramatic in nature than infusion reactions experienced with intravenous IFX. Immunogenicity occurs with all monoclonal antibodies; however, in the CD development program anti-ADA antibodies were detected at low rates (0.7 and 2.6% of patients in the CLASSIC I and CLASSIC II studies, respectively). Based on robust short- and long-term efficacy data from large randomized controlled trials and a favorable safety signal, ADA has become a key addition to the therapeutic armamentarium in the treatment of moderate-to-severe CD.
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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 | 0.001 | 0.005 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.004 | 0.001 |
| Bibliometrics | 0.003 | 0.004 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.008 | 0.002 |
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".