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Observational Real-World Study to Assess Clinical Characteristics and Device Satisfaction in Patients with COPD Treated with Glycopyrrolate/eFlow® CS

Authors Stephenson JJ, Dembek C, Caldwell-Tarr A, Conto RM, Paullin M, Kerwin EM

Received 7 February 2020

Accepted for publication 12 June 2020

Published 14 July 2020 Volume 2020:15 Pages 1713—1727

DOI https://doi.org/10.2147/COPD.S248760

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Richard Russell


Judith J Stephenson,1 Carole Dembek,2 Amanda Caldwell-Tarr,3 Rebecca M Conto,1 Mark Paullin,1 Edward M Kerwin4

1HealthCore Inc., Wilmington, DE, USA; 2Sunovion Pharmaceuticals Inc., Marlborough, MA, USA; 3HealthCore Inc., Watertown, MA, USA; 4Clinical Research Institute of Southern Oregon, Medford, OR, USA

Correspondence: Judith J Stephenson Tel +1 302 230 2142
Email jstephenson@healthcore.com

Purpose: To assess clinical characteristics and device satisfaction of patients with chronic obstructive pulmonary disease (COPD) treated with glycopyrrolate/eFlow® Closed System (CS) nebulizer (further referred to as eFlow) under real-world conditions.
Participants and Methods: Patients with COPD currently using eFlow were identified by the study sponsor. Consenting patients who met study inclusion criteria completed a cross-sectional survey that included a device satisfaction questionnaire. Means, medians, and standard deviations were calculated.
Results: Sixty-six patients met inclusion criteria and completed the survey. Participants’ mean ± standard deviation age was 64.9 ± 11.9 years and the majority were white (86.4%) and female (59.1%). Almost two-thirds were former smokers. Thirty-nine (59.1%) reported their COPD to be severe/very severe and 38 (57.6%) reported a COPD exacerbation resulting in a hospitalization, ER visit, or medication modification over the past 12 months. Among 55 participants who had previously used another type of nebulizer, 44 (80%) were overall “much more”/“somewhat more” satisfied with the eFlow compared with their previous nebulizer(s). Regardless of prior nebulizer use, 60 (90.9%) participants were “satisfied”/“very satisfied” overall with the eFlow. Assembly and disassembly, operation, and cleaning were perceived as being “easy”/“very easy” by at least 65% of participants. Among all participants, 57 (86.4%) were “confident”/“very confident” of glycopyrrolate administration. On a Likert scale of 1 (“I don’t like it”) to 7 (“I like it a lot”), mean scores were at least 5.9 for portability, ease of cleaning, size, weight, short administration time, and relative silence of the device. Over 80% of participants said they “probably”/"definitely" would continue to use eFlow.
Conclusion: Based on this real-world study, the majority of patients were highly satisfied with, and confident in, using eFlow.

Keywords: device satisfaction, cross-sectional, survey, nebulizer, COPD

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