Could a zap to the ear stop nausea?

NCT ID NCT07632456

Recruiting now Symptom relief Sponsor: Daniel Keszthelyi Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a mild electrical pulse to the ear (called taVNS) can reduce nausea in 35 healthy adults. Nausea is triggered by a fatty drink given through a tube. Half the group gets the real stimulation, half gets a fake version. Researchers measure nausea and other stomach symptoms using simple 0-100 scales. It's an early, small trial exploring a drug-free approach to nausea.

What this could mean

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

Active substance: transcutaneous auricular vagus nerve stimulation (taVNS) device
What this could lead to: If it works, this could point toward a non-drug way to ease nausea and other stomach discomfort.
What could go wrong: This is a very small, early study in healthy people, not patients. The nausea is lab-induced, so results may not apply to real-world sickness. The effect may be no better than a placebo.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Nausea

As listed by the trial registrant

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

HEALTHY ADULT PARTICIPANTS

Contacts and locations

Locations

Maastricht University
RECRUITING

Maastricht, Limburg, 6229ER, Netherlands

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