Ear zaps could shrink waistlines: new obesity trial launches
NCT ID NCT07341971
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a non-invasive device that stimulates the vagus nerve through the ear in 60 men aged 25-35 with central obesity (waist >94 cm, BMI ≥30). The goal is to see if it lowers inflammation (IL-6 levels) and reduces waist size. Participants must be otherwise healthy, non-smoking, and not on certain medications.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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May 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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25 to 35 years
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Sixty male * Age ranges from 25 to 35 * All them are medically stable with no chronic disease * waist circumference more than 94 * Body Mass Index more than or equal 30 Exclusion Criteria: * Individuals with metabolic diseases * Individuals taking cholesterol lowering drugs, Anti-hypertensive drugs, Oral-hypoglycemic drugs * smokers
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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