Magnetic pulses to the neck reveal how the diaphragm works

NCT ID NCT05302752

Ongoing Knowledge-focused Sponsor: Swiss Federal Institute of Technology Source: ClinicalTrials.gov ↗

First seen Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time

Summary

This study tests a method to measure diaphragm muscle function using rapid magnetic stimulation of the phrenic nerves in the neck. Researchers will check how repeatable the measurements are and how adding weights to the chest affects breathing. Sixteen healthy, non-smoking adults with normal lung function will take part. The goal is to better understand diaphragm contractility, which could help assess respiratory muscle health in future.

What this could mean

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

Active substance: magnetic phrenic nerve stimulation
What this could lead to: If successful, this could improve methods for assessing diaphragm function in health and disease.
What could go wrong: This is a small, early-stage study in healthy volunteers only, so results may not apply to patients with respiratory conditions.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HEALTHY

Contacts and locations

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Locations

Exercise Physiology Lab, Institute of Human Movement Sciences and Sport, ETH Zurich

Zurich, Canton of Zurich, 8092, Switzerland

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