Nerve-Zapping earbuds could help anorexia patients eat without fear
NCT ID NCT05554172
First seen Jun 27, 2026 · Last updated Sep 09, 2026 · Updated 2 times
Summary
This study tests a non-invasive device that stimulates the vagus nerve before meals in teens and young adults (ages 14-22) with anorexia or similar eating disorders. Over 4 weeks, participants receive either real or sham stimulation to see if it boosts meal satisfaction, calorie intake, and reduces fullness and anxiety. The goal is to make refeeding less distressing and more effective.
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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 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2022
- Expected to finish
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Oct 2027
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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14 to 22 years
- Sex
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Anyone
- 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: * Ages 14-22 * Engaged in standardized refeeding in the EWDP during the intervention (may include individuals with anorexia nervosa or avoidant/restrictive food intake disorder) * Needing to gain at least 8 lbs during the refeeding period * English-speaking Exclusion Criteria: * Pregnancy * GI disturbance or diagnosis (Crohn's disease, diverticulitis, irritable bowel syndrome, gastric bezoar, or suspected or known GI obstruction) * GI surgery in the last 3 months * Implanted or portable electro-mechanical device such as a pacemaker, defibrillator, or infusion pump * Allergies to the ingredients in the shake provided * Use of illicit substances including misuse, overuse, abuse, illegal use, or addiction to or dependence on * Acute suicide risk/active suicidal ideation determined with the C-SSRS. "Yes" to questions 1 or 2 in the Suicidal Ideation section or "Yes" to any question in the Suicidal Behavior section will be exclusionary * Psychiatric diagnoses of schizophrenia or bipolar disorder
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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 places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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Department of Psychiatry, Eating and Weight Disorders Program
RECRUITINGNew York, New York, 10029, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a pudding snack reveal how the brain misreads the stomach?
- Could the gut microbiome hold clues to eating disorder recovery?
- Can a parent support group help teens with both autism and anorexia?
- Lab-Grown brain cells could unlock Anorexia's secrets
- Can science unlock the secrets of the naturally lean?