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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
A randomized study of tiotropium Respimat
®
Soft Mist
TM
Inhaler vs. ipratropium pMDI in COPD
Respiratory Medicine, Volume 102, No. 1, Year 2008
Notification
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Description
The aim of these studies was to compare the efficacy and the safety of tiotropium, delivered via Respimat® Soft MistTM Inhaler (SMI), a novel multi-dose, propellant-free inhaler, with ipratropium pressurized metered-dose inhaler (pMDI) in chronic obstructive pulmonary disease (COPD) patients. Two identical, 12-week, multi-national, randomized, double-blind, double-dummy, parallel-group, active- and placebo-controlled studies were performed. COPD patients were randomized to treatment with either inhaled tiotropium (5 or 10 μg) via Respimat® SMI administered once daily, ipratropium (36 μg) pMDI QID or placebo. The primary endpoint was the mean trough forced expiratory volume in 1 s (FEV1) response after 12 weeks of treatment. Secondary endpoints included other spirometry measures and rescue medication use. A total of 719 patients were randomized; the majority were male (69%) with a mean pre-bronchodilator FEV1 (% predicted) of 40.7%. The mean treatment differences between tiotropium 5 and 10 μg and placebo for the primary endpoint (mean trough FEV1 response at week 12) were 0.118 and 0.149 L, respectively (both P<0.0001). Treatment differences between tiotropium 5 and 10 μg and ipratropium were 0.064 L (P=0.006) and 0.095 L (P<0.0001). The increases in peak FEV1, FEV1 AUC(0-6 h) and FVC for both tiotropium doses were statistically superior to placebo (P<0.01) and higher than ipratropium. All active treatments significantly reduced the rescue medication use compared with placebo, but only tiotropium 10 μg was statistically superior to ipratropium (P=0.04). The incidence of adverse events was comparable across groups. In conclusion, tiotropium 5 and 10 μg daily, delivered via Respimat® SMI, significantly improved lung function compared with ipratropium pMDI and placebo. © 2007 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Voshaar, T.
Germany, Moers
Bethanien Krankenhaus, Moers
Lapidus, R.
United States, Wheat Ridge
Rocky Mountain Center for Clinical Research
Maleki-Yazdi, R.
Canada, Toronto
Respiratory Diseases and Critical Care Medicine
Timmer, W.
Germany, Ingelheim am Rhein
Boehringer Ingelheim International Gmbh
Rubin, E.
United States, Ridgefield
Boehringer Ingelheim Pharmaceuticals, Inc.
Lowe, L.
United Kingdom, Bracknell
Boehringer Ingelheim Limited, uk
Bateman, E. D.
South Africa, Cape Town
University of Cape Town Lung Institute
Statistics
Citations: 64
Authors: 7
Affiliations: 7
Identifiers
Doi:
10.1016/j.rmed.2007.08.009
ISSN:
09546111
Research Areas
Disability
Noncommunicable Diseases
Study Design
Cohort Study
Participants Gender
Male