The Journal of Allergy and Clinical Immunology: In Practice
Original ArticleThe Effect of Tiotropium in Symptomatic Asthma Despite Low- to Medium-Dose Inhaled Corticosteroids: A Randomized Controlled Trial
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This work was supported by Boehringer Ingelheim. M. Engel, V. B. Zubek, Z. Blahova, and P. Moroni-Zentgraf are all employees of Boehringer Ingelheim. All authors were involved in the study design, analysis, interpretation, and writing of the manuscript, and in the decision to submit the article for publication.
Conflicts of interest: P. Paggiaro is on the AstraZeneca, Boehringer Ingelheim, Chiesi, GlaxoSmithKline, and Novartis boards; has received lecture fees from AstraZeneca, Boehringer Ingelheim, Chiesi, GlaxoSmithKline, Menarini, Mundipharma, Novartis, and Zambon. D. M. G. Halpin has received consulting fees from AstraZeneca, Almirall, Boehringer Ingelheim, GlaxoSmithKline, Novartis, and Pfizer; has received travel support from Boehringer Ingelheim and Novartis. R. Buhl has received personal fees from AstraZeneca, Chiesi, GlaxoSmithKline, and Takeda; and has received grants and personal fees from Boehringer Ingelheim, Novartis, and Roche. M. Engel and P. Moroni-Zentgraf are employed by Boehringer Ingelheim, Ingelheim am Rhein, Germany. V. B. Zubek is employed by Boehringer Ingelheim, Ridgefield, Conn, USA. Z. Blahova is employed by Boehringer Ingelheim, Vienna, Austria. E. Pizzichini has received consultancy fees from Novartis, Boehringer Ingelheim, GlaxoSmithKline, and Merck Sharp & Dohme; and has received lecture fees from Novartis, Boehringer Ingelheim, GlaxoSmithKline, Merck Sharp & Dohme, Chiesi, and Ache.