Status:
COMPLETED
PharmacofMRI (Functional Magnetic Resonance Imaging) of Anxiolytic Medications (Alprazolam)
Lead Sponsor:
University of California, San Diego
Collaborating Sponsors:
National Institute of Mental Health (NIMH)
Conditions:
Anxiety Disorders
Eligibility:
All Genders
18-30 years
Phase:
PHASE4
Brief Summary
The purpose of this study is to use functional magnetic resonance imaging (fMRI) in healthy controls to examine the acute effects of certain anxiolytic medications on brain function.
Detailed Description
Increased amygdala and insula activity have been implicated in neurobiological models of anxiety. Using fMRI, the anxiolytic medication, lorazepam, has previously been found to decrease activation in ...
Eligibility Criteria
Inclusion
- Male, or female (not pregnant or intending to become pregnant during the study)
- Between the ages of 18-30.
- In good general health.
- No specific contraindications to the drug being administered
Exclusion
- Subjects with a history of DSM-IV depressive disorder, psychotic disorder, anxiety disorder
- Subjects who meet criteria for substance abuse or dependence within the last 6 months
- Subjects with an positive urine screen for illicit drugs
- having clinically significant abnormal laboratory, ECG or physical examination findings not resolved by the baseline visit
- Patients who have taken psychotropic drugs or antidepressants (including monoamine oxidase inhibitors, MAOI's) within the last year
- subject is left-handed.
- The subject suffers from claustrophobia, or phobia for injections or blood.
- Magnetic Resonance Imaging related exclusion criteria: cardiac pacemaker, metal fragments in eyes/skin/body (shrapnel), subjects who have ever been a metal worker/welder; history of eye surgery/eyes washed out because of metal, aortic/aneurysm clips, prosthesis, by-pass surgery/coronary artery clips, hearing aid, heart valve replacement, subjects who are in the first trimester of pregnancy, subjects with an I.U.D. (birth control device), a shunt (ventricular or spinal), electrodes, metal plates/pins/screws/wires, or neuro/bio-stimulators (TENS unit).
Key Trial Info
Start Date :
January 1 2008
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
August 1 2008
Estimated Enrollment :
16 Patients enrolled
Trial Details
Trial ID
NCT00703885
Start Date
January 1 2008
End Date
August 1 2008
Last Update
December 22 2014
Active Locations (1)
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1
University of California, San Diego
La Jolla, California, United States, 92037