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Dual Bronchodilation Improves Ventilation Dynamics in COPD Patients

ERS 2019
Cohort study, CLAIM

Novel results from the CLAIM study demonstrate better pulmonary ventilation/perfusion match and ventilation dynamics when hyperinflated chronic obstructive pulmonary disease (COPD) patients are treated with indacaterol/glycopyrronium.

Dual bronchodilation in combination with a long-acting β agonist and a muscarinic receptor antagonist was found to decline hyperinflation and increase heart function in the CLAIM trial [1]. The study included 62 COPD patients with hyperinflation expressed by a residual volume of >135% at baseline. All patients were ≥40 years old and had smoked for ≥10 pack-years. The new investigation analysed treatment effects on pulmonary ventilation/perfusion match (VQM) and regional ventilation dynamics by comparing indacaterol/glycopyrronium versus placebo in the CLAIM cohort [2].

Participants were randomised 1:1. Group 1 first received indacaterol/glycopyrronium at a dosage of 110/50 μg per day for 14 days followed by another ...

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