Breath test could revolutionize asthma diagnosis
NCT ID NCT03926741
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at a new, non-invasive test to identify asthma patients with high levels of an enzyme called GSNOR, which can cause airway swelling. The test involves inhaling a substance called GSNO and measuring changes in breath and lung function. Researchers hope this office-based test could replace the current invasive bronchoscopy procedure and lead to more personalized asthma treatments.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Indiana University School of Medicine
Indianapolis, Indiana, 46202, United States
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University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106, United States
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Other studies related to the condition(s) this trial covers.
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