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. 2021 Oct 28;8(4):474-487.
doi: 10.15326/jcopdf.2021.0252.

Self-reported COPD Medication Use and Adherence in the COPD Foundation Patient- Powered Registry Network

Cara B Pasquale  1 , Radmila Choate  1   2 , Gretchen McCreary  1 , Richard A Mularski  3   4   5 , William Clark  1 , MaryEllen Houlihan  1 , Elisha Malanga  1 , Barbara P Yawn  1   6
Affiliations

Self-reported COPD Medication Use and Adherence in the COPD Foundation Patient- Powered Registry Network

Cara B Pasquale et al. Chronic Obstr Pulm Dis. .

Abstract

Purpose: Pharmacotherapy is one cornerstone of Chronic Obstructive Pulmonary Disease (COPD) management. Published U.S. data seldom includes patient-reported COPD medication use and adherence. We add this patient perspective to the commonly reported administrative prescribing and fill data.

Methods: This survey study used inhaler and nebulizer pictures and lists of oral COPD medications to query members of the COPD Foundation Patient-Powered Research Network, a national self-reported online registry. Medications used, adherence, inhaler education, cost concerns, previous exacerbations, and COPD Assessment Test scores were assessed and summarized using simple descriptive statistics and hazard ratios controlling for age, gender, and disease burden.

Results: Respondents mean age was 68 years, 60% were women, >69% with the COPD Assessment Test (CAT) scores >15, and >50% reported 2 or more exacerbations in the past 12 months. Overall, >98% used one or more inhaled COPD medications, 7.6% rescue inhaler only, 17.8% used long-acting bronchodilator only therapy (11.1% dual), and 72.8% using corticosteroid therapies, including 53% triple therapy. Nebulizers were used by 59.4% and 34.8% use oral COPD medications. Reported adherence rates were high (80.1%), but 41% reported trouble paying for medications, with 20.1% reported missing medications due to cost.

Conclusions: In this population, COPD had a high burden with >50% of respondents using triple therapy, and one in eight maintenance oral corticosteroids. Self-reported adherence was high, but with significant cost concerns reported resulting in missed medications.

Keywords: COPD; inhalers; medications; nebulizers; therapy.

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