Ear zap may tweak insulin – tiny study hopes to unlock vagus nerve secrets
NCT ID NCT06597149
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a mild electrical stimulation behind the ear (taVNS) can temporarily change insulin, C-peptide, and blood sugar levels in 30 healthy adults. Half will get real stimulation, half a sham. Researchers want to see if this nerve trick could one day lead to new treatments for diabetes or stomach issues.
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-invasive way to influence insulin and help develop new treatments for diabetes and stomach problems.
- What could go wrong
- This is a very early, small study in healthy people, not patients. It only looks at short-term changes, so results may not apply to real-world conditions.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Indiana University Hospital
RECRUITINGIndianapolis, Indiana, 46202, United States
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