Examining Physiology and Brain Function in People With the Fragile X Premutation
Limbic System Function in Carriers of the Fragile X Premutation
3 other identifiers
observational
110
1 country
1
Brief Summary
This study will examine whether individuals with the fragile X genetic premutation are likely to have emotional, social, and memory deficits and how the brain may be involved in these deficits.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Jun 2007
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2007
CompletedFirst Submitted
Initial submission to the registry
April 9, 2009
CompletedFirst Posted
Study publicly available on registry
April 10, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2013
CompletedMay 30, 2017
May 1, 2017
5.7 years
April 9, 2009
May 25, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Amygdala and hippocampus volume and function
Age at time of visit
Study Arms (3)
1
Men with the fragile X premutation
2
Healthy men
3
Brothers of men with the fragile X premutation
Eligibility Criteria
Members of the general population, those with the fragile X premutation, and the brothers of those with the fragile X premutation
You may qualify if:
- Possesses FMR1 premutation or is part of the general population control group
- Normal or corrected vision
- Speaks English
You may not qualify if:
- Presence of contraindication for brain MRI, such as having metal in the body
- Presence of a major medical condition, such as kidney, heart, or liver disease
- Presence of a neurological disorder
- Current alcohol or drug abuse or dependence
- History of head trauma
- History of brain infection
- Medication affecting cerebral blood flow
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
M.I.N.D. Institute, U.C. Davis
Sacramento, California, 95817, United States
Related Links
Biospecimen
Saliva and blood samples
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 9, 2009
First Posted
April 10, 2009
Study Start
June 1, 2007
Primary Completion
February 1, 2013
Study Completion
February 1, 2013
Last Updated
May 30, 2017
Record last verified: 2017-05