Cough variant asthma
MONDO:0001491An asthma that is characterized by chronic nonproductive cough without shortness of breath.
3 clinical trials for this condition and its sub-types.
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Can a simple breathing test unlock the secrets of chronic cough?
Knowledge-focused CompletedThis study investigates how the airways respond to two different challenge tests—mannitol inhalation and a controlled hyperventilation exercise—in people with cough variant asthma, those with chronic cough but normal airway sensitivity, and healthy controls. The goal is to see if…
Phase: PHASE4 • Sponsor: Dr. Diane Lougheed • Aim: Knowledge-focused
Last updated Aug 14, 2026 00:00 UTC
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Breath test may predict who responds to common asthma drug for chronic cough
Knowledge-focused CompletedThis study looked at 1000 adults with chronic dry or nighttime cough to find a cutoff value for a breath test called FeNO that can predict whether they will respond to the asthma medication budesonide-formoterol. Participants took the drug twice daily for 8 weeks, and their cough…
Phase: PHASE4 • Sponsor: AstraZeneca • Aim: Knowledge-focused
Last updated Jun 26, 2026 17:40 UTC