Letters
Tiotropium mist inhaler
Manufacturer’s reply to letter by Seed and colleagues
BMJ 2011; 343 doi: https://doi.org/10.1136/bmj.d5365 (Published 23 August 2011) Cite this as: BMJ 2011;343:d5365
- Bernd Disse, vice president, therapeutic area respiratory1,
- Norbert Metzdorf, global clinical programme leader, tiotropium1,
- Helmut Bender, vice president, respiratory drug delivery1
- 1Boehringer Ingelheim Pharma GmbH & Co KG, D-55216 Ingelheim am Rhein, Germany
- bernd.disse{at}boehringer-ingelheim.com
Seed and colleagues suggest that the excipient benzalkonium chloride in the Respimat mist inhaler might partly explain the differences seen between placebo and the Respimat inhaler.1 The hypothesis is unfounded for three reasons.
Firstly, the placebo in clinical trials with tiotropium Respimat was identical to the active treatment except for the lack of the active chemical entity. …
Log in
Log in using your username and password
Log in through your institution
Subscribe from £173 *
Subscribe and get access to all BMJ articles, and much more.
* For online subscription
Access this article for 1 day for:
£38 / $45 / €42 (excludes VAT)
You can download a PDF version for your personal record.