Trial reportRespiratory research2019
Treatment response to indacaterol/glycopyrronium versus salmeterol/fluticasone in exacerbating COPD patients by gender: a post-hoc analysis in the FLAME study.
Trial report in Respiratory research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01782326 (A 52-week Treatment, Multi-center, Randomized, Double-blind, Double Dummy, Parallel-group, Active Controlled Study to Compare the Effect of QVA149), which is not on this map. Cited by 13 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A 52-week Treatment, Multi-center, Randomized, Double-blind, Double Dummy, Parallel-group, Active Controlled Study to Compare the Effect of QVA149 (Indacaterol Maleate / Glycopyrronium Bromide) With Salmeterol/Fluticasone on the Rate of Exacerbations in Subjects With Moderate to Very Severe COPD. (FLAME).
Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.
- Sex differences in adult asthma and COPD therapy: a systematic review.Respiratory research · 2022Pooled it
- Trial
- Effects of doxofylline as an adjuvant on severe exacerbation and long-term prognosis for COPD with different clinical subtypes.The clinical respiratory journal · 2023Trial
- The Effect of Patient Sex on Treatment Outcomes in COPD: A Post Hoc Analysis of the IMPACT Trial.Chronic obstructive pulmonary diseases (Miami, Fla.) · 2024Article
- Trends in COPD severe exacerbations, and all-cause and respiratory mortality, before and after implementation of newer long-acting bronchodilators in a large population-based cohort.BMC pulmonary medicine · 2024Article
- Sex differences in airway disease: estrogen and airway surface liquid dynamics.Biology of sex differences · 2024Review
- Sex-differences in COPD: from biological mechanisms to therapeutic considerations.Frontiers in medicine · 2024Review
- Just breathe: a review of sex and gender in chronic lung disease.European respiratory review : an official journal of the European Respiratory Society · 2022Review
- Sex and Gender Omic Biomarkers in Men and Women With COPD: Considerations for Precision Medicine.Chest · 2021Review
- Women's COPD.Frontiers in medicine · 2021Review
- New Perspectives for Mucolytic, Anti-inflammatory and Adjunctive Therapy with 1,8-Cineole in COPD and Asthma: Review on the New Therapeutic Approach.Advances in therapy · 2020Review
- Effect of Gender on Lung Function and Patient-Reported Outcomes in Patients with COPD Receiving Nebulized Glycopyrrolate.International journal of chronic obstructive pulmonary disease · 2020Article
- Chronic Obstructive Pulmonary Disease in Women: A Biologically Focused Review with a Systematic Search Strategy.International journal of chronic obstructive pulmonary disease · 2020Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 7 institutions in 5 countries.
Funding
Abstract
backgroundThe burden of chronic obstructive lung disease (COPD) is increasing in women, with recent evidence suggesting gender differences in disease characteristics and potentially in treatment outcomes.
methodsFLAME was a 52-week randomized controlled trial in patients with severe-to-very-severe COPD and a history of exacerbations. In this post-hoc analysis, gender-based baseline differences and treatment outcomes between indacaterol/glycopyrronium 110/50 μg once daily (IND/GLY) and salmeterol/fluticasone 50/500 twice daily (SFC) were assessed in terms of rate of exacerbations, time-to-first exacerbation, lung function, health status, and rescue medication use.
resultsThis post-hoc analysis included 2557 men and 805 women. Baseline characteristics differed between genders, with women being younger, having better lung function and more often experiencing ≥2 exacerbations in the previous year. Compared with SFC, IND/GLY treatment was associated with reductions in the annualized rates of moderate/severe exacerbations (rate ratio [95% CI]: 0.81 [0.73-0.91], 0.89 [0.74-1.07] in men and women, respectively). Similarly, time-to-first moderate/severe exacerbation was also delayed (hazard ratio [95% CI]: 0.79 [0.70-0.89] and 0.76 [0.63-0.91] in men and women, respectively). Results were similar for all (mild/moderate/severe) exacerbations. Improvements in lung function, health status and rescue medication use with IND/GLY vs SFC were comparable between men and women. The smaller sample size for women may account for some observed discrepancies in treatment responses.
conclusionsAlthough there were gender differences in baseline characteristics, IND/GLY demonstrated similar trends for exacerbation prevention and lung function improvement in men and women with moderate-to-very-severe COPD and a history of exacerbations compared with SFC. Small differences in the effects seen between genders may be attributed to the different sizes of the two groups and need to be further evaluated in randomized trials that are appropriately powered for gender analysis.
trial registrationPost hoc analysis of the FLAME study. ClinicalTrials.gov number: NCT01782326 . Registered 1 February 2013.
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