Breathing trick and pill may rewire aging muscles

NCT ID NCT07704385

Not yet recruiting Knowledge-focused Sponsor: University of Florida Source: ClinicalTrials.gov ↗

First seen Jul 15, 2026 · Last updated Jul 16, 2026 · Updated 1 time

Summary

This study tests whether a drug called istradefylline, combined with short bursts of low-oxygen breathing (acute intermittent hypoxia), can improve muscle strength and brain-to-muscle signaling in healthy adults aged 40 to 79. Participants receive either the drug or a placebo before the breathing sessions, and researchers measure grip strength and breathing muscle power. The goal is to understand how aging affects the brain's ability to adapt and recover.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: istradefylline 20 mg and acute intermittent hypoxia (AIH)
What this could lead to: If it works, this could point toward a way to enhance rehabilitation and maintain strength in older adults.
What could go wrong: This is an early-phase study with only 38 healthy participants, so results may not apply to people with medical conditions or lead to a treatment.

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