In patients with COPD without frequent exacerbations on long-term triple therapy, the direct de-escalation to indacaterol/glycopyrronium led to a small decrease in lung function, with no difference in exacerbations. The higher exacerbation risk in patients with ≥300 blood eosinophils/μl suggests that these patients are likely to benefit from triple therapy. Clinical trial registered with www.clinicaltrials.gov (NCT 02603393).
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