Regular Use Effect of Inhaled Ipratropium Bromide on Airway Responsiveness to Methacholine in Well-controlled Asthma

Condition:   Asthma Interventions:   Drug: Ipratropium Metered Dose Inhaler;   Drug: placebo metered dose inhaler Sponsor:   University of Saskatchewan Recruiting

Source: ClinicalTrials.gov - November 18, 2019 Category: Research Source Type: clinical trials