Scientists probe whether ear-zap device triggers body's own opioids
NCT ID NCT05490134
First seen Jan 09, 2026 · Last updated Jun 19, 2026 · Updated 22 times
Summary
This study looks at how a device that gently stimulates nerves in the ear might relieve pain. Researchers want to know if it works by making the body release its own natural painkillers (opioids). They will test this in 136 healthy adults by giving some a drug that blocks opioids and seeing if the pain relief goes away. The goal is to understand the mechanism, not to treat a disease.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Medical University of South Carolina
RECRUITINGCharleston, South Carolina, 29425, United States
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