Status:
COMPLETED
Exercise-induced Bronchoconstriction Diagnostics: Impact of a Repeated Exercise Challenge Test
Lead Sponsor:
Norwegian University of Science and Technology
Collaborating Sponsors:
Klinikk for allergi og luftveissykdommer
Conditions:
Exercise Induced Bronchoconstriction
Eligibility:
All Genders
16-45 years
Brief Summary
The purpose of this study is to increase the knowledge of the possible diagnostic effect of exercise induced bronchoconstriction performing a repeated exercise challenge test.
Detailed Description
Prior studies have shown that the intensity influences the sensitivity of exercise challenge tests (ECT) and that a heart rate-based protocol does not ensure sufficient exercise intensity to induce br...
Eligibility Criteria
Inclusion
- Referred to Klinikk for allergi og luftveissykdommer
- Meet at least 3 out of 5 criteria (symptoms related to exercise):
- Cough during exercise or within 5 minutes after exercise
- Wheeze during exercise or within 5 minutes after exercise
- Heavy breathing, expiratory in particular, during exercise or within 5 minutes after exercise (duration 5 minutes or more)
- Improvement of physical fitness/breath is lacking despite of exercise intensification
- Chest tightness during or after exercise
- Patients former diagnosed with-and treated for asthma who have symptoms of EIB are included in the study.
Exclusion
- Ongoing respiratory infection or recent respiratory infection, judged by the responsible doctor to be of importance of the result
- The inability to perform an Exercise challenge test with maximum effort
Key Trial Info
Start Date :
August 1 2010
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
March 1 2011
Estimated Enrollment :
20 Patients enrolled
Trial Details
Trial ID
NCT01214551
Start Date
August 1 2010
End Date
March 1 2011
Last Update
February 9 2017
Active Locations (1)
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1
Klinikk for allergi og luftveissykdommer
Oslo, Ullevål, Norway, 0855