Status:
WITHDRAWN
fMRI in Blood Phobia Syncope
Lead Sponsor:
Vanderbilt University
Collaborating Sponsors:
National Institutes of Health (NIH)
Conditions:
Syncope
Blood Injury Phobia
Eligibility:
All Genders
18-30 years
Brief Summary
We plan to study patient who faint in response to the sight of blood and compare them to healthy subjects who do not. We are going to use a special type of MRI scan (functional MRI) to determine if th...
Detailed Description
Another aim of the study is to determine whether or not differences in personality traits among people with blood phobia is associated with differences in BOLD signal responses during fMRI.
Eligibility Criteria
Inclusion
- 18-30 years of age
- 1\. History of at least one syncopal episode upon exposure to viewing blood (Case Group)
- Negative urine pregnancy test on study day
Exclusion
- Vasoactive medications (within 2 weeks of study day)
- antihypertensives
- beta blockers
- vasoconstrictors
- Psychotropic medications (within 4 weeks of study day)
- History of psychostimulant or opiate use
- History of alcohol, benzodiazepine or cannabis abuse or dependence
Key Trial Info
Start Date :
June 1 2010
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
June 1 2010
Estimated Enrollment :
Patients enrolled
Trial Details
Trial ID
NCT00715065
Start Date
June 1 2010
End Date
June 1 2010
Last Update
January 9 2013
Active Locations (1)
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1
Vanderbilt University Autonomic Dysfunction Center
Nashville, Tennessee, United States, 37232-2195