Muscle nerves may hold key to easier breathing and cooling during workouts
NCT ID NCT07452094
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase study at Northern Arizona University will test 15 healthy, active adults to understand how specific nerve signals from muscles (called group III/IV afferents) affect breathing, sweating, and skin blood flow during exercise. Participants will cycle with and without a drug that blocks these signals. The goal is to learn how the body naturally regulates airway resistance and temperature during physical activity.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- cycling exercise with or without a drug that blocks certain muscle nerve signals
- What this could lead to
- If successful, this study could reveal how muscles communicate with the brain to regulate breathing and cooling during exercise, potentially guiding future treatments for exercise intolerance.
- What could go wrong
- This is a very small, early-phase study in healthy volunteers, not patients. The findings may not apply to people with medical conditions, and the drug used to block nerve signals may have side effects.
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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
-
Northern Arizona University
Flagstaff, Arizona, 86011, United States
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