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A review of the efficacy and safety of once-daily tiotropium Respimat 2.5 micrograms in adults and adolescents with asthma.

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Published:6th Jan 2018
Author: Meltzer EO, Berger WE.
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Ref.:Allergy Asthma Proc. 2018;39(1):14-26.
DOI:10.2500/aap.2018.39.4103
A review of the efficacy and safety of once-daily tiotropium Respimat 2.5 micrograms in adults and adolescents with asthma


Background:
Despite current guidelines, many patients with asthma remain symptomatic, particularly those intolerant of, unresponsive to, or uncontrolled by long-acting beta 2-agonists (LABAs). Tiotropium bromide, delivered through the Respimat soft-mist inhaler in 2 puffs of 1.25 micrograms each, is approved for the long-term, maintenance treatment of asthma in patients aged ≥6 years.

Objective: An overview of the use of once-daily tiotropium Respimat 2.5 micrograms in adults and adolescents with varying degrees of asthma severity. The role of the parasympathetic nervous system in the pathophysiology of asthma, the development of tiotropium for respiratory disease, and the value of the Respimat inhaler are also discussed.

Methods: A literature search of all phase II and phase III trials of once-daily tiotropium Respimat 2.5 micrograms.

Results: Once-daily tiotropium Respimat 2.5 micrograms was studied in five phase III studies: three studies in adults and two in adolescents aged 12-17 years. Tiotropium Respimat 2.5 micrograms demonstrated efficacy in adults and adolescents with mild, moderate, or severe asthma, showing significant improvements in lung function and asthma control in patients with uncontrolled asthma despite inhaled corticosteroids (ICS) or ICS plus LABA use. The adverse event profile of tiotropium was very acceptable, with safety similar to placebo.

Conclusion: Once-daily tiotropium Respimat 2.5 micrograms has positive attributes that include efficacy, a safety profile similar to placebo, once-daily dosing, administration by inhalation, and delivery in the easy-to-use and consistent-dosing Respimat device. However, more data are needed on the effects of tiotropium on clinical outcomes, patients' day-to-day lives, and real-world effectiveness.

 

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