Physician diagnosed asthma; the value of re-testing negatives in the absence of corticisteroids

• Conditions: asthma; 10006436

• Registration Number: NL-OMON35129
• Lead Sponsor: Isala Klinieken

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 6 May 2024

Recruitment & Eligibility

• Status: Pending
• Sex: Not specified
• Target Recruitment: 100

Inclusion Criteria

Negative result of a metacholine provocation test

Exclusion Criteria

Pregnancy
Legally incapable

Study & Design

• Study Type: Observational invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>• Mannitol provocation test<br /><br>• Bronchial Hyperresponsiveness Questionnaire </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>• Nitrogenmonoxide during expiration<br /><br>• Asthma Control Questionnaire<br /><br>• Behaviour of the GP after advice of the Astma COPD Diagnose Centrum</p><br>