Dataset Information

Practical recommendations for the use of beta-blockers in chronic obstructive pulmonary disease.

ABSTRACT:

Introduction

Controversies regarding the use of beta-blocker in chronic obstructive pulmonary disease (COPD) have been longstanding and based on inconsistent data. COPD and cardiovascular disease have many shared risk factors and potentially overlapping pathophysiologic mechanisms. Beta-blockers, a mainstay of treatment in ischemic heart disease, congestive heart failure, and cardiac arrhythmia, remain underutilized in COPD patients despite considerable evidence of safety. Furthermore, observational studies indicated the potential benefits of beta-blockers in COPD via a variety of possible mechanisms. Recently, a randomized controlled trial of metoprolol versus placebo failed to show a reduction in COPD exacerbation risk in subjects with moderate to severe COPD and no absolute indication for beta-blocker use.

Areas covered

Physiology of beta-adrenergic receptors, links between COPD and cardiovascular disease, and the role of beta-blockers in COPD management are discussed.

Expert commentary

Beta-blockers should not be used to treat COPD patients who do not have conditions with clear guideline-directed recommendations for their use. Vigilance is recommended in prescribing these medications for indications where another drug class could be utilized.

SUBMITTER: Wade C

PROVIDER: S-EPMC7365250 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundBeta-blocker therapies for cardiovascular comorbidities are often withheld in patients with chronic obstructive pulmonary disease (COPD) due to potential adverse effects on airway obstruction. We carried out a post hoc analysis to determine the efficacy and safety of aclidinium in patients with moderate-to-very severe COPD and increased cardiovascular risk receiving beta-blockers at baseline versus non-users.MethodsASCENT-COPD was a Phase 4, multicenter, double-blind, randomized, placebo-controlled, parallel-group study. Patients were randomized 1:1 to aclidinium or placebo twice-daily for up to 3 years. Outcomes included risk of (time to first) major adverse cardiovascular events (MACE), all-cause mortality, and lung function over 3 years, and exacerbations over 1 year.ResultsOf 3589 patients, 1269 (35.4%) used beta-blockers and 2320 (64.6%) were non-users at baseline. Aclidinium did not statistically increase the risk of MACE (beta-blocker user: hazard ratio 1.01 [95% CI 0.62-1.64]; non-user: 0.80 [0.51-1.24]; interaction P = 0.48) or all-cause mortality (beta-blocker user: 1.13 [0.78-1.64]; non-user: 0.89 [0.62-1.26]; interaction P = 0.35), in patients using beta-blockers. Aclidinium reduced annualized rate of moderate-to-severe COPD exacerbation (beta-blocker user: rate ratio 0.75 [95% CI 0.60-0.94, P = 0.013]; non-user: 0.79 [0.67-0.93, P = 0.005]), delayed time to first exacerbation, and improved lung function versus placebo. There was greater trough FEV1 benefit in beta-blocker users versus non-users (least squares mean difference at 52 weeks: 111 mL [95% CI 74 mL-147 mL] versus 69 mL [42 mL-97 mL]; interaction P = 0.041).ConclusionsThis post hoc analysis supports long-acting anti-muscarinic use with concomitant beta-blockers in patients with moderate-to-very severe COPD and cardiovascular comorbidity.Trial registrationClinicalTrials.gov, NCT01966107, Registered 16 October 2013, https://clinicaltrials.gov/ct2/show/NCT01966107 .