ArticleChronic obstructive pulmonary diseases (Miami, Fla.)2026
Implementation of 2023 Canadian Thoracic Society Guidelines for Single-Inhaler Triple Therapy Could Reduce Exacerbation and Mortality Rates in COPD: PROMETHEUS Canada.
Article in Chronic obstructive pulmonary diseases (Miami, Fla.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Not yet cited in PubMed.
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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 Phase III, 52 Week, Randomized, Double-blind, 3-arm Parallel Group Study, Comparing the Efficacy, Safety and Tolerability of the Fixed Dose Triple Combination FF/UMEC/VI With the Fixed Dose Dual Combinations of FF/VI and UMEC/VI, All Administered Once-daily in the Morning Via a Dry Powder Inhaler in Subjects With Chronic Obstructive Pulmonary Disease
A Randomized, Double-Blind, Multi-Center, Parallel-Group Study to Assess the Efficacy and Safety of PT010 Relative to PT003 and PT009 on COPD Exacerbations Over a 52-Week Treatment Period in Subjects With Moderate to Very Severe COPD (Ethos)
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9 authors.
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Abstract
Background: Chronic obstructive pulmonary disease (COPD) is the fifth leading cause of death in Canada. The Efficacy and Safety of Triple Therapy in Obstructive Lung Disease (NCT02465567) and Informing the Pathway of COPD Treatment (NCT02164513) randomized controlled trials demonstrated reduced exacerbations and all-cause mortality for patients with COPD on single-inhaler triple therapy (SITT). The 2023 Canadian Thoracic Society (CTS) COPD pharmacotherapy guidelines recommend triple therapy, and preferably SITT use, in patients with moderate to severe symptom burden and high future risk of exacerbations. The clinical impact of broader SITT use in Canada has not yet been studied. Aim: We aimed to estimate the benefit of appropriate SITT use according to CTS COPD guidelines on mortality, exacerbations, and their corresponding costs in Canada. Methods: We used a stochastic model using literature-derived characteristics (e.g., incidence, changes in COPD severity, treatment, mortality, and exacerbations) that simulated the Canadian COPD population. Patients were assigned percentage of forced expiratory volume in 1 second predicted levels, and their annual characteristics were modeled for 2025–2034 under 2 scenarios: “status quo” (current practice) and “increased SITT” (following CTS guidelines). Results: Based on our simulated results for the flagged population, “Increased SITT” use over 10 years compared to current treatment reduced moderate and severe exacerbation rates by 23% and 12%, respectively, for a reduction of 159,000 severe and 2.81 million moderate exacerbations and reduced the all-cause mortality rate by 22%. In the flagged population alone, this reduction in exacerbations would equate to a savings of CA$3.9 billion over 10 years. Conclusion: Appropriate use of SITT, informed by the 2023 CTS COPD guidelines, could lower mortality, exacerbation frequency, and their corresponding costs in patients with COPD.
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Registered trials
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