Duration of Protective Effect From Inhaled Ipratropium Bromide on Methacholine Airway Hyperresponsiveness

Summary

Certain lung disease medications can influence diagnostic tests and research investigations. This study will investigate how long ipratropium bromide must be withheld before a methacholine challenge test can be conducted. This information will be useful for validating current guidelines.

Timeline

Start

2008-01

Primary completion

2008-04

Completion

2008-04

Publications

• Illamperuma C, Davis BE, Fenton ME, Cockcroft DW. Duration of bronchoprotection of inhaled ipratropium against inhaled methacholine. Ann Allergy Asthma Immunol. 2009 May;102(5):438-9. doi: 10.1016/S1081-1206(10)60519-4. No abstract available.

Drugs

Indications