Evaluating the Impact of Single Dose Tiotropium on Allergen-induced Early Asthmatic Response

Summary

Evaluate single dose (2 x 2.5mcg/puff; total dose 5mcg) effect of tiotropium administered 30 minutes prior to allergen challenge on allergen-induced EAR assessed as the maximal % fall in FEV1 after allergen inhalation compared to that of single dose (two puffs) matched placebo administered 30 minutes prior to allergen challenge.

Timeline

Start

2025-01-01

Primary completion

2027-01

Completion

2027-01

Drugs

Indications