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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 14 January 2013
Main ID:  NCT00715065
Date of registration: 10/07/2008
Primary sponsor: Vanderbilt University
Public title: fMRI in Blood Phobia Syncope
Scientific title: Neuroimaging in Blood Phobia Syncope
Date of first enrolment: June 2010
Target sample size: 0
Recruitment status: Withdrawn
URL:  http://clinicaltrials.gov/show/NCT00715065
Study type:  Observational
Study design:  Observational Model: Case Control, Time Perspective: Prospective  
Countries of recruitment
United States
Contacts
Name:   Satish R Raj, MD MSCI
Address: 
Telephone:
Email:
Affiliation:  Vanderbilt University
Key inclusion & exclusion criteria

Inclusion Criteria:

- 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 Criteria:

- 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



Age minimum: 18 Years
Age maximum: 30 Years
Gender: Both
Health Condition(s) or Problem(s) studied
Autonomic Dysfunction
Blood Injury Phobia
Syncope
Intervention(s)
Procedure: fMRI Scan
Primary Outcome(s)
fMRI BOLD signal [Time Frame: Immediate]
Secondary Outcome(s)
Blood Injection Symptoms Scale [Time Frame: Single visit]
Disgust Scale (Revised) [Time Frame: Single Visit]
Secondary ID(s)
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
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