Breathing training may ease asthma symptoms during exercise
NCT ID NCT06336681
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether a special breathing exercise, called flow-resistive inspiratory muscle training, could reduce the severity of exercise-induced bronchoconstriction (EIB) in athletes with asthma. Fifteen competitive cyclists or athletes aged 18-35 completed the training and were measured on lung function, breathing effort, and cycling performance. The goal was to see if strengthening the breathing muscles could help control asthma symptoms during exercise and improve time-trial results.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Flow-resistive inspiratory muscle training using the PrO2Fit device
- What this could lead to
- If it works, this could offer a non-drug way to ease breathing problems during exercise for people with asthma.
- What could go wrong
- This is a small, completed study with only 15 participants, so results may not apply to everyone. The training is demanding and may not be practical for all athletes.
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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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School of Public Health-Bloomington
Bloomington, Indiana, 47405, United States
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