CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-08-18. AI was used for research and drafting; the existence of all 2 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 2874 · Search date 2026-08-18 · Methodology v1.0

Intravenous risankizumab induction,
does it really help with Week-12 clinical remission and endoscopic response in moderate-to-severe Crohn's disease?

30-Second Summary
C
Evidence Grade C · 54 · Safety caution
Both doses met week-12 remission and endoscopic response, but these are not long-term hard outcomes
Monitor for serious infection and hypersensitivity, and assess tuberculosis, active infection, and vaccination status before treatment.
What the
research shows
The grade is C. In ADVANCE, both 600 mg and 1200 mg met both coprimary endpoints of clinical remission and endoscopic response at week 12. Focusing on the approved 600-mg induction dose, CDAI remission was 45% versus 25% and endoscopic response was 40% versus 12%.
What the
ads claim
Remission scores and endoscopy are useful but do not directly establish fewer admissions, operations, bowel damage, or long-term quality-of-life loss. In Korea, special-registration status and the reimbursed sequence after prior therapies materially affect access to Crohn's biologics.
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Useful facts when choosing a product

  • Patients received 600 or 1200 mg intravenously at weeks 0, 4, and 8 and were assessed at week 12.
  • Coprimary endpoints were clinical remission and endoscopic response.
  • This verdict centers the approved 600-mg induction dose.
ID

Chamgap Semantic Classification Code

Candidate index · review held

M.risankizumab-induction.intravenous.week-12-clinical-remission-and-endoscopic-response-in-moderate-to-severe-crohns-disease.treat.placebo

Medicinal interventions > risankizumab induction > Intravenous > Week-12 clinical remission and endoscopic response in moderate-to-severe Crohn's disease > Treatment or remission claim > Placebo

An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.

Download semantic index (JSON) · Codebook v1

Gap Measurement · Verdict 2874 · C 54
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

ADVANCE randomized 931 patients to 600 mg, 373; 1200 mg, 372; or placebo, 186. The prespecified primary population comprised 850 treated patients meeting central endoscopic eligibility. Axis 6 B0 evidence ① Allocation concealment: "We used interactive response technology for random assignment." ② Blinding: "All patients and study personnel (excluding pharmacists who prepared intravenous solutions) were masked to treatment allocation throughout the study." ③ Analysis population and missing data: "The ITT subjects will be analyzed as randomized" and "Subjects who discontinue prior to Week 12 for any reason will be considered as 'not-achieved'." ④ Prespecified primary endpoint: "The co-primary endpoints are ... CDAI clinical remission at Week 12 and ... endoscopic response at Week 12" - consistent with NCT03105128. The paper states "Funding: AbbVie," and multiple authors were AbbVie employees.

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Why this is classified as C (54)

Central randomization, double masking, nonresponder handling, and success on both coprimary endpoints are strengths, but score and endoscopy surrogates with no independently funded replication give C with 54 points.

Counterpoint. A 12-week induction response is not the same as long-term maintenance; subcutaneous maintenance evidence is separate.

Rejudgment record. Cross-check applied — Direct review of dose-specific ADVANCE coprimary outcomes, the 850-patient population, IRT, masking, missing-data rules, and AbbVie funding

Stored scoring profile
EndpointSSurrogate marker - laboratory or imaging measures
ReplicationR1Single confirmatory trial
IndependenceI0Evidence comes only from manufacturer studies
Effect sizeE+Meets the clinically important threshold

Stored derived and displayed grades match; this is not a current recalculation or validity check (C).

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Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Clinical remission with 600 mgCRates were 45% versus 25%, adjusted absolute difference +21 points.
Endoscopic response with 600 mgCRates were 40% versus 12%, adjusted absolute difference +28 points.
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Cross-check — AI research and Codex final gate

AI was used for research and drafting. Blind grading, adversarial audit, and the methodology boundary rules were then reapplied before Codex performed the final evidence, grade, copy, and build checks. If a grade cannot be narrowed, both evidence positions and their reasons are published.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
D'Haens et al. 2022 ADVANCEMulticenter randomized double-masked placebo-controlled phase 3 induction trial931 randomized; prespecified primary population 850, with 336 at 600 mg, 339 at 1200 mg, and 175 placeboOriginal statement: "Funding: AbbVie"; multiple company-employed authorsCoprimary week-12 CDAI or PRO-2 clinical remission and endoscopic response600 mg: CDAI remission 45% versus 25%, +21 points (12 to 29); endoscopic response 40% versus 12%, +28 points (21 to 35). The 1200-mg dose also met both coprimary endpoints.Pivotal surrogate-outcome evidence
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Receipt — 2 References

All 2 cited sources were verified for existence at the original page (as of 2026-08-18).

D'Haens G, Panaccione R, Baert F, et al. Lancet. 2022;399(10340):2015-2030. PMID: 35644154. DOI: 10.1016/S0140-6736(22)00467-6.
checked
AbbVie. M16-006 Protocol Amendment 6, NCT03105128.
checked
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Evidence date: 2026-08-18 · Corrections: none
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Cite this verdict

Benefit of Intravenous Risankizumab Induction for Clinical Remission and Endoscopic Response in Moderate-to-Severe Crohn's Disease, Surrogate Outcomes Evidence Grade C card
[Chamgap] Benefit of Intravenous Risankizumab Induction for Clinical Remission and Endoscopic Response in Moderate-to-Severe Crohn's Disease, Surrogate Outcomes — Evidence Grade C·54. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/gut/intravenous-risankizumab-crohns-induction-remission-endoscopy/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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What this document does and does not do

Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.
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