Sensitivity and Specificity of Aridol Challenge for a Diagnosis of Asthma by a Specialist Pulmonologist
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ClinicalTrials.gov Identifier: NCT00491153
(due to low recruitment rate secondary to very stringent inclusion criteria)
The purpose of this study is to estimate the sensitivity, specificity and positive and negative predictive values of a positive Aridol challenge with respect to a specialist pulmonologist diagnosis of asthma in corticosteroid naive subjects with asthma-like symptoms and no previous diagnosis of asthma. The comparator is methacholine provocation
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Ages Eligible for Study:
16 Years to 50 Years (Child, Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients with a tentative diagnosis of asthma or suspected asthma referred to a pulmonologist for evaluation
Provisional or possible asthma diagnosis
FEV1 at least 70% of predicted at inclusion
Contraindications for bronchial provocation challenge or spirometry
Respiratory tract infection within previous 6 weeks