Dataset Information

Association of Cardiovascular Risk With Inhaled Long-Acting Bronchodilators in Patients With Chronic Obstructive Pulmonary Disease: A Nested Case-Control Study.

ABSTRACT: Importance:The associations between cardiovascular disease (CVD) and inhaled long-acting ?2-agonists (LABAs) or long-acting antimuscarinic antagonists (LAMAs) in chronic obstructive pulmonary disease (COPD) are greatly debated. Pivotal and relevant randomized clinical trials included prior LABA or LAMA users and excluded patients with baseline CVD; therefore, cardiovascular events arising from first-time LABA or LAMA use, if any, could not be observed. There is an urgent need to examine whether new use of and duration since initiating LABAs and LAMAs could act as important determinants of cardiovascular events. Objective:To investigate risk of CVD associated with LABAs and LAMAs, focusing on the initiation and duration of LABA and LAMA therapies. Design, Setting, and Participants:This nested case-control study included 284?220 LABA-LAMA-naïve patients with COPD at least 40 years old (mean age, 71.4 years; 68.9% men), retrieved from the Taiwan National Health Insurance Research Database for health care claims from 2007 to 2011. Exposure:LABA or LAMA use was measured in the year preceding the event or index date, stratified by duration since initiation of LABA or LAMA treatment, new and prevalent users, concomitant COPD medications, and individual agents. Main Outcomes and Measures:Cases with inpatient or emergency care visits for coronary artery disease, heart failure, ischemic stroke, or arrhythmia were identified and individually matched to 4 randomly selected controls. Conditional logistic regressions were performed to estimate odds ratios of CVD from LABA and LAMA treatment. Results:During a mean follow-up of 2.0 years, 37?719 patients with CVD (mean age, 75.6 years; 71.6% men) and 146?139 matched controls (mean age, 75.2 years; 70.1% men) were identified. New LABA and LAMA use in COPD was associated with a 1.50-fold (95% CI, 1.35-1.67; P?

SUBMITTER: Wang MT

PROVIDER: S-EPMC5838614 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Association of Cardiovascular Risk With Inhaled Long-Acting Bronchodilators in Patients With Chronic Obstructive Pulmonary Disease: A Nested Case-Control Study.

Wang Meng-Ting MT Liou Jun-Ting JT Lin Chen Wei CW Tsai Chen-Liang CL Wang Yun-Han YH Hsu Yu-Juei YJ Lai Jyun-Heng JH

JAMA internal medicine 20180201 2

<h4>Importance</h4>The associations between cardiovascular disease (CVD) and inhaled long-acting β2-agonists (LABAs) or long-acting antimuscarinic antagonists (LAMAs) in chronic obstructive pulmonary disease (COPD) are greatly debated. Pivotal and relevant randomized clinical trials included prior LABA or LAMA users and excluded patients with baseline CVD; therefore, cardiovascular events arising from first-time LABA or LAMA use, if any, could not be observed. There is an urgent need to examine ...[more]

PMID: 29297057

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Project description:BackgroundSymptomatic patients with chronic obstructive pulmonary disease (COPD) and low exacerbation risk still have disease instability, which can be improved with better bronchodilation. We evaluated two long-acting bronchodilators individually and in combination on reducing exacerbation risk and the potential impact of concurrent medication in these patients.MethodsIntegrated post hoc intent-to-treat (ITT) analysis of data from two large 24-week, randomized placebo (PBO)-controlled trials (NCT01313637, NCT01313650). Symptomatic patients with moderate-to-very-severe COPD with/without an exacerbation history were randomized (2:3:3:3) to once-daily: PBO, umeclidinium/vilanterol (UMEC/VI 62.5/25 μg [NCT01313650] or 125/25 μg [NCT01313637]), UMEC (62.5 [NCT01313650] or 125 μg [NCT01313637]) or VI (25 μg) via the ELLIPTA inhaler. Medication subgroups were segmented by treatment status at screening: a) maintenance-naïve or on maintenance medications, b) inhaled corticosteroid [ICS]-free or ICS-treated, c) low or high albuterol use based on median run-in use (< 3.6 or ≥ 3.6 puffs/day). Time to first moderate/severe exacerbation (Cox proportional hazard model) and change from baseline in trough forced expiratory volume in 1 s (FEV1; mixed model repeated measures) were analyzed. Safety was also assessed.ResultsOf 3021 patients (ITT population; UMEC/VI: n = 816; UMEC: n = 825; VI: n = 825; PBO: n = 555), 36% had a recent exacerbation history, 33% were maintenance-naïve, 51% were ICS-free. Mean baseline albuterol use was 5.1 puffs/day. In the ITT population, UMEC/VI, UMEC, and VI reduced the risk of a first exacerbation versus PBO by 58, 44, and 39%, respectively (all p < 0.05). UMEC/VI provided significant risk reductions versus PBO in all subgroups. VI had no benefit versus PBO in maintenance-naïve, ICS-free, and low rescue use patients and was significantly less effective than UMEC/VI in these subgroups. UMEC had no significant benefit versus PBO in maintenance-naïve and ICS-free patients. All bronchodilators improved FEV1 versus PBO, and UMEC/VI significantly improved FEV1 versus both monotherapies across all populations studied (p < 0.05). All bronchodilators were similarly well tolerated.ConclusionsResults suggest that UMEC/VI reduces exacerbation risk versus PBO more consistently across medication subgroups than UMEC or VI, particularly in patients with no/low concurrent medication use. Confirmed prospectively, these findings may support first-line use of dual bronchodilation therapy in symptomatic low-risk patients.

Dataset Information

Association of Cardiovascular Risk With Inhaled Long-Acting Bronchodilators in Patients With Chronic Obstructive Pulmonary Disease: A Nested Case-Control Study.

Publications

Association of Cardiovascular Risk With Inhaled Long-Acting Bronchodilators in Patients With Chronic Obstructive Pulmonary Disease: A Nested Case-Control Study.

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