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 1 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 2876 · Search date 2026-08-18 · Methodology v1.0

Inhaled indacaterol-glycopyrronium LABA/LAMA combination,
does it really help with Fewer exacerbations than salmeterol-fluticasone in COPD with a prior exacerbation?

30-Second Summary
C
Evidence Grade C · 50 · Safety caution
LABA/LAMA lowered one-year exacerbation rates versus ICS/LABA within a narrow comparison
Both are prescription inhalers. Pneumonia occurred in 3.2% versus 4.8% in FLAME, while cardiovascular, anticholinergic, and inhaled-steroid considerations remain individual.
What the
research shows
The grade is C. FLAME's primary endpoint was 'the annual rate of all COPD exacerbations.' Rates were 3.59 versus 4.03 per patient-year, rate ratio 0.89 (95% CI 0.83 to 0.96), an absolute difference of -0.44 per patient-year, with P=0.003 for superiority after noninferiority was established.
What the
ads claim
An 11% rate reduction is not an 11% improvement in each person's symptoms. The absolute difference was 0.44 exacerbations per patient-year versus another active inhaler.
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Useful facts when choosing a product

  • Indacaterol is a LABA and glycopyrronium a LAMA.
  • The comparator combined salmeterol LABA with inhaled fluticasone.
  • The 52-week trial was sponsored by Novartis.
ID

Chamgap Semantic Classification Code

Candidate index · review held

UNK.indacaterol-glycopyrronium-laba-lama-combination.inhaled.fewer-exacerbations-than-salmeterol-fluticasone-in-copd-with-a-prior-exacerbation.assess.placebo

Unknown > indacaterol-glycopyrronium LABA/LAMA combination > Inhaled > Fewer exacerbations than salmeterol-fluticasone in COPD with a prior exacerbation > Association or change assessment > 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 2876 · C 50
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

The article defined mild events as 'worsening of symptoms for more than 2 consecutive days and not treated with systemic glucocorticoids or antibiotics,' moderate events as 'treated with systemic glucocorticoids, antibiotics, or both,' and severe events as 'requiring hospital admission or an emergency room visit that lasted more than 24 hours.' Thus the all-exacerbation primary endpoint mixed symptoms and treatment decisions rather than hospitalization alone. The declared threshold was: 'The noninferiority margin of 15% ... was based on a previous study.'

Axis 6 defect gates ① Defect name: noninferiority design. ② Listed item: noninferiority design. ③ Original evidence: 'randomized, double-blind, double-dummy, noninferiority trial' with a 1.15 rate-ratio margin. ④ Avoidable: yes; superiority could have been the primary hypothesis.

02

Why this is classified as C (50)

Superiority on a patient-centered exacerbation rate is accepted, but R1, I0, and one listed design defect - noninferiority design - yield C with 50 points.

Counterpoint. The result applies to patients with an exacerbation in the prior year; eosinophils and individual pneumonia risk still affect ICS selection.

Rejudgment record. Cross-check applied — Accepted superiority for exacerbation reduction while counting one noninferiority-design defect in a single manufacturer-funded trial

Stored scoring profile
EndpointPSymptom or function itself is the target - including patient reports and performance tests
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).

▦

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
Reduced annual rate of all COPD exacerbationsCSuperiority was shown: 3.59 versus 4.03, rate ratio 0.89.
Reduced moderate or severe exacerbationsCRates were 0.98 versus 1.19, rate ratio 0.83 (0.75 to 0.91).
✓

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
Wedzicha JA et al. 2016 FLAME52-week multicenter randomized double-blind double-dummy noninferiority and superiority trial3,362 randomized (1,680/1,682)Sponsored by NovartisPrimary endpoint: annual rate of all COPD exacerbations3.59 versus 4.03 per year; rate ratio 0.89 (95% CI 0.83 to 0.96), absolute difference -0.44 per year, superiority P=0.003; also met the 1.15 noninferiority margin.Pivotal manufacturer-funded confirmatory trial
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Receipt — 1 References

All 1 cited sources were verified for existence at the original page (as of 2026-08-18).

Wedzicha JA, Banerji D, Chapman KR, et al. Indacaterol-Glycopyrronium versus Salmeterol-Fluticasone for COPD. N Engl J Med. 2016;374:2222-2234. PMID: 27181606. DOI: 10.1056/NEJMoa1516385.
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 Indacaterol-Glycopyrronium for Reducing Exacerbations in COPD with Prior Exacerbation Evidence Grade C card
[Chamgap] Benefit of Indacaterol-Glycopyrronium for Reducing Exacerbations in COPD with Prior Exacerbation — Evidence Grade C·50. 1 cited sources checked. Source: https://chamgap.com/en/verdicts/immunity/indacaterol-glycopyrronium-prior-exacerbation-copd-exacerbations/ · 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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