Actively Recruiting

Phase Not Applicable
Age: 18Years +
All Genders
Healthy Volunteers
ID06062368

Reducing Vertigo and Dizziness Associated With 7 Tesla MRI Machines by Modifying Entry and Exit Speed

Led by Johns Hopkins University · Updated on 2025-11-12

100

Participants Needed

1

Research Sites

52 weeks

Total Duration

On this page

Sponsors

J

Johns Hopkins University

Lead Sponsor

N

National Institute on Deafness and Other Communication Disorders (NIDCD)

Collaborating Sponsor

AI-Summary

What this Trial Is About

This research investigates vertigo, dizziness, and imbalance experienced by people near high-strength MRI magnets, particularly 7 Tesla MRI machines. It explores how the magnetic field interacts with the inner ear to cause these symptoms through a force called the Lorentz force. Researchers aim to understand if slowing the entry and exit speed into the MRI magnetic field reduces these sensations. Participants undergoing a 7 Tesla MRI as part of other studies will be randomly assigned to one of four groups based on the speed of entering and exiting the MRI magnetic field: the usual 20 seconds, or slower speeds of one, two, or three minutes. During entry and exit, participants will close their eyes and report sensations of vertigo. They will rate the intensity of vertigo every 15 seconds on a scale from 0 (none) to 3 (severe). Throughout the MRI process, researchers will record how often vertigo occurs, how intense it feels, and how long it lasts, focusing on the time during MRI exposure up to six minutes. This includes monitoring eye movements and subjective reports. The study will help evaluate if slower entry and exit rates can reduce vertigo symptoms related to high-field MRI scans.

CONDITIONS

Brief Title

Reducing Vertigo Associated With MRI Machines

Who Can Participate

Age: 18Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Participants who will be undergoing an MRI scan at a 7 Tesla MRI.
Not Eligible

You will not qualify if you...

  • Presence of pacemaker, defibrillator wires, metal implants, cochlear implants, or ferromagnetic surgical clips in the brain.
  • Pregnancy.
  • Claustrophobia preventing MRI completion as determined by routine pretesting questionnaire.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Treatment

Duration - Up to 6 minutes

Participants undergo a 7 Tesla MRI scan with different entry and exit speeds to study vertigo symptoms during the scan.

1 MRI scan visit (in-person)

Trial Site Locations

Total: 1 location

1

Johns Hopkins University School of Medicine

Baltimore, Maryland, United States, 21287

Actively Recruiting

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Research Team

B

Bryan K Ward, MD

A

Adrian Paez, BA

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

PREVENTION

Number of Arms

4

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