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Questionnaire on switching from the tiotropium HandiHaler to the Respimat inhaler in patients with chronic obstructive pulmonary disease: changes in handling and preferences immediately and several years after the switch

Authors Hanada S, Wada S, Ohno T, Sawaguchi H, Muraki M, Tohda Y

Received 30 August 2014

Accepted for publication 27 November 2014

Published 6 January 2015 Volume 2015:10(1) Pages 69—77


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

Editor who approved publication: Dr Richard Russell

Soichiro Hanada,1 Shota Wada,1 Takeshi Ohno,1 Hirochiyo Sawaguchi,1 Masato Muraki,1 Yuji Tohda2

1Department of Respiratory Medicine and Allergology, Nara Hospital, Kinki University Faculty of Medicine, Ikoma, 2Department of Respiratory Medicine and Allergology, Kinki University Faculty of Medicine, Osakasayama, Japan

Background: Tiotropium (Spiriva) is an inhaled muscarinic antagonist for patients with chronic obstructive pulmonary disease (COPD), and is available in two forms: the HandiHaler and the Respimat inhaler. The aim of this study was to investigate the handling of and preference for each device immediately after switching from the HandiHaler to the Respimat and 2–3 years after the switch.
Materials and methods: The study comprised two surveys. A questionnaire was first administered to 57 patients with COPD (male:female 52:5, mean age 73.6±7.1 years) 8 weeks after switching from the HandiHaler (18 µg) to the Respimat (5 µg). A second similar but simplified questionnaire was administered to 39 of these patients who continued to use the Respimat and were available for follow-up after more than 2 years. Pulmonary function was also measured during each period.
Results: In the first survey, 17.5% of patients preferred the HandiHaler, and 45.6% preferred the Respimat. There were no significant changes in pulmonary function or in the incidence of adverse events after the switch. In the second survey, performed 2–3 years later, the self-assessed handling of the Respimat had significantly improved, and the number of patients who preferred the Respimat had increased to 79.5%.
Conclusion: The efficacy of the Respimat was similar to that of the HandiHaler. This was clear immediately after the switch, even in elderly patients with COPD who were long-term users of the HandiHaler. The preference for the Respimat increased with continued use.

Keywords: chronic obstructive pulmonary disease, tiotropium, HandiHaler, Respimat, questionnaire, pulmonary function

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