Comparison of Two Methods of Bronchial Methacholine Provocation

Status Completed

Clinical Trial Summary

This study is meant to compare two routine diagnostic approaches in patients with bronchial asthma. Patients are challenged with methacholine in order to measure their bronchial response. We compare the evaluation of the effects of incremental concentrations versus incremental dosages.

Clinical Trial Description

Bronchial methacholine challenge is well established in asthma diagnostic and research purposes. ATS guidelines provide a short five-breath dosimeter protocol using a five-step dilution schedule. The Viasys APS system enables a feasible and less time consuming provocation with incremental dosages. In 48 young adults with bronchial hyperreactivity (BHR) the ATS-protocol with a five-step protocol using a single dilution of 16 mg/ml methacholine should be compared. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00503659
Study type	Interventional
Source	Johann Wolfgang Goethe University Hospitals
Contact
Status	Completed
Phase	N/A
Start date	February 2007
Completion date	December 2007

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