ArticleJMIR research protocols2025
Effect of Dual Bronchodilation on the Exercise Capacity of Individuals With Non-Cystic Fibrosis Bronchiectasis: Protocol for a Randomized Controlled Double-Blind Crossover Study.
Article in JMIR research protocols, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05183841 (Effect of Bronchodilators on the Exercise Capacity of Bronchiectasis Patients), which is 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
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Effect of Bronchodilators on the Exercise Capacity of Bronchiectasis Patients
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7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBronchodilators (BDs) have been used therapeutically to improve exercise capacity in patients with other chronic respiratory diseases. However, the effect of BDs on the exercise capacity of individuals with non-cystic fibrosis bronchiectasis (NCFB) is poorly understood.
objectiveThe aim of this study was to evaluate the effects of BDs on exercise capacity and thoracoabdominal kinematics in patients with NCFB.
methodsThis crossover randomized controlled trial will involve 45 outpatients with NCFB aged 18 to 59 years. They will be evaluated in 3 visits. On day 1, the maximal exercise capacity (cardiopulmonary exercise test; peak work rate [W
resultsThe ethics approval was granted in November 2018, and a pilot study was commenced in April 2019 but was interrupted due to the COVID-19 pandemic. The study restarted in April 2022, and data collection is anticipated to continue until November 2025. The publication of the results is anticipated to be in 2025 or 2026.
conclusionsThere is no evidence that BDs can improve the exercise capacity of patients with NCFB. This trial will compare the endurance exercise capacity of the same individual with and without dual bronchodilation. If successful, this study will demonstrate that exercise capacity can be improved with the use of BDs in adults with NCFB.
trial registrationClinicalTrials.gov NCT05183841; https://clinicaltrials.gov/study/NCT05183841. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/68582.
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