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NCT ID: NCT00550758 Terminated - Asthma Clinical Trials

Spirometry and Methacholine Challenge Test in Asthmatic Children Age 3-6years

Start date: May 2004
Phase: N/A
Study type: Interventional

Rational: The possible contribution of methacholine challenge test via spirometry to the clinical diagnosis of young children with various respiratory symptoms, the most appropriate spirometry index, and the proper cutoff point concentration that will define airway sensitivity have not yet been explored. Objectives: To assess airway reactivity by spirometry in a large group of children aged 3-6years with various respiratory symptoms.