Pneumologie 2006; 60(6): e1-e5
DOI: 10.1055/s-2008-1038143
Original paper
© Georg Thieme Verlag Stuttgart · New York

Efficacy of tiotropium bromide (Spiriva®) in patients with chronic obstructive pulmonary disease (COPD) of different severities

K.  M.  Beeh1, 2 , J.  Beier1, 2 , R.  Buhl2 , P.  Stark-Lorenzen3 , F.  Gerken4 , N.  Metzdorf4 , for the ATEM [ = Breath] Study Group
  • 1insaf Institut für Atemwegsforschung, Wiesbaden, Germany
  • 2III. Med. Klinik, Universitätsklinik Mainz, Germany
  • 3Pfizer GmbH, Karlsruhe, Germany
  • 4Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany
Further Information

Publication History

eingereicht 5. 8. 2005

akzeptiert 15. 12. 2005

Publication Date:
11 April 2008 (online)

Abstract

Background: Aim of this study was to evaluate the efficacy of inhaled tiotropium bromide in COPD patients of different severities in pneumological practices during a three month clinical trial. Methods: A randomized, double blind, placebo-controlled study including COPD-patients (FEV1/FVC < 70 %, FEV1 70 % predicted; age 40 years; smoking history 10 pack years) of different severities was performed. The efficacy of 18 µg tiotropium bromide once daily on lung function and exacerbations over 12 weeks was evaluated by respective pulmonary function tests (spirometry) before (trough value) and 2 hours after inhalation of study medication. Results: 1639 patients (1236 tiotropium bromide, 403 placebo; FEV1 reversibility after 200 µg ipratropium bromide + 200 µg fenoterol: 7.9 ± 7.5 % predicted [mean ± sd]) were randomized. After 12 weeks of treatment tiotropium bromide led to significant increases of trough FEV1 (23 - 24 h after last inhalation; + 79 ± 17 ml), and 2 h after tiotropium bromide inhalation (+ 128 ± 19 ml) (all values vs. placebo, adjusted mean ± se, p < 0.0001). FVC and IVC were also improved significantly. In mild COPD (FEV1 50 to 70 %) improvements were most pronounced (trough FEV1 + 113 ± 29 ml, 2 h post-inhalation + 181 ± 33 ml; all values vs. placebo, p < 0.0001). 14.6 % of patients treated with tiotropium bromide had a COPD exacerbation vs. 19.9 % of patients treated with placebo (p = 0.0151). The time to first exacerbation was prolonged (p = 0.0092 vs. placebo). Conclusion: Tiotropium bromide 18 µg once daily led to a persistent improvement of lung function and a reduction of exacerbations in patients with COPD of different severities.

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Kai Michael Beeh

insaf Institut für Atemwegsforschung

Biebricher Allee 34

65187 Wiesbaden

Germany

Email: k.beeh@insaf-wi.de