Healthy Volunteers Clinical Trial
Official title:
Physiological and Psychosomatic Effects of Exposure to MRI Scanning Environment
Verified date | September 27, 2019 |
Source | National Institutes of Health Clinical Center (CC) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Background:
- Magnetic resonance imaging (MRI) creates high-quality images of the human body without
x-rays. It uses a strong magnetic field and radio waves to take pictures. Researchers want to
test a scanner that uses a high magnetic field strength.
Objective:
- To study how the body responds to being in a high field 11.7T MRI scanner.
Eligibility:
- Healthy people ages 22 65.
Design:
- Participants will be screened with a medical history and physical exam. They will
complete a healthy volunteer questionnaire and an MRI safety screening form. They may
have a 3T MRI scan of the brain.
- Participants will have an MRI scan. They will lie on a table that will slide in and out
of the MRI cylinder very slowly. They will be asked to lie still.
- Participants will do simple tasks while inside the machine. These can include listening
and responding to questions, tapping fingers, or moving a hand.
- While in the scanner, participants will hear loud knocking noises. They will get
earmuffs.
- Right when they exit the scanner, participants will get a questionnaire to fill out.
This will ask about how they felt inside the scanner.
- During the MRI, participants heart rate, respiratory rate, and skin temperature will be
measured. Before and after the scan, these things plus blood pressure will be measured.
- Participants will be tested before and after being in the MRI scanner. They will answer
questions, take pen-and-paper or computer tests, and do simple actions. Their sense of
smell may be tested.
Status | Withdrawn |
Enrollment | 0 |
Est. completion date | September 27, 2019 |
Est. primary completion date | September 27, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 22 Years to 65 Years |
Eligibility |
- INCLUSION CRITERIA: - 22 - 65 years of age - In good general health - Able to understand the procedures and requirements and give informed consent - Fluent in English EXCLUSION CRITERIA: All Subjects will answer the NMR safety screening form and the Healthy volunteer form A subject will be excluded if he/she: - Has any implanted medical device - Underwent brain surgery, have a central nervous system illness, a neurological lesion or history of neurological or psychiatric disorders - Medical problems, such as diabetes mellitus, hypertension, pulmonary or airway disease, heart failure, coronary artery disease, history of sleep apnea - Diagnosable substance dependence - Consumes more than 1 alcoholic drink per day for women and up to 2 drinks per day for men on a regular basis - Has any metal in their body due to by trauma or surgery - Cannot lie comfortably on their back for up to 60 minutes - Is pregnant - Have sustained shrapnel injuries - Has worked as a machinist, or other occupations that have resulted in metal shavings in their eye - Has claustrophobia - Has known hearing problems |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
National Institute of Neurological Disorders and Stroke (NINDS) |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Neuropsychological tests | 2 years | ||
Primary | Physiological parameters | 2 years | ||
Primary | Subjective experience parameters | 2 years |
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