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Ear water trick may boost insight in OCD

NCT ID NCT03918577

Knowledge-focused Sponsor: Stanford University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a short, safe ear-water stimulation (caloric vestibular stimulation) can temporarily improve insight in people with obsessive-compulsive disorder, body dysmorphic disorder, or illness anxiety. Sixteen adults with strongly held beliefs will receive the stimulation and have their insight measured. The goal is to see if this simple technique can help patients recognize their thoughts as symptoms, not reality.

What this could mean

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

Active substance
caloric vestibular stimulation (cold water in the ear canal)
What this could lead to
If it works, this could point toward a new way to help people with OCD or body dysmorphic disorder recognize their beliefs more clearly.
What could go wrong
This is a very small, early study with only 16 people. The effect is brief and may not lead to lasting change or work for everyone.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

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

About 16 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2022

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

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

18 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age 18-65 * Primary diagnosis of Obsessive-Compulsive Disorder, Body Dysmorphic Disorder, Illness Anxiety Disorder or Somatic Symptom Disorder (excluding "with predominant pain") * Strongly held OCRD-related concerns meeting BABS score criterion. * No recent change in psychopharmacological treatment, if any * Capacity to provide informed consent Exclusion Criteria: * Psychiatric or medical conditions (eg, vertigo, history of otological surgery) that might make participation unsafe * Pregnant or nursing women * Active or recent substance use

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Conditions

The condition(s) this trial relates to.

anxiety disorder body dysmorphic disorder hypochondriasis obsessive-compulsive disorder

As listed by the trial registrant

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

Body dysmorphic disorders Illness anxiety disorder Obsessive compulsive disorder

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Stanford University

    RECRUITING

    Stanford, California, 94304, United States

    Contact Email: •••••@•••••

    Contact Email: •••••@•••••

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