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Magnetic Resonance ImagingALZNCT00478491

fMRI of Vulnerable Brain Regions in Persons at Risk for Alzheimer's Disease

An observational study of Magnetic Resonance Imaging and Alzheimer's Disease, run by University of Wisconsin, Madison at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to investigate the organization of memory and develop future methods for early detection of AD. Using functional magnetic resonance imaging (fMRI), we examine the responsiveness of the brain to memory tasks, specifically focusing on regions of the brain (the mesial temporal lobe and… Read more about this study

Who is it for?
Ages 40 to 85 yearsHealthy volunteers can take part
How many people
390 participants
Where
1 siteUnited States
Study dates
Jan 2003to Jul 2011
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 to 85 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Persons with a parent with Alzheimer's disease will be recruited from the Wisconsin Registry for Alzheimer's Prevention (WRAP). Persons with MCI will be recruited from the UW clinics and satellite clinics. Controls for the above study groups will be recruited from the WRAP and the local community.

Who may be able to join

  • MCI Group: Diagnosis of mild cognitive impairment
  • AD Family History Group: Confirmed family history of Alzheimer's and concurrent enrollment in the Wisconsin Registry for Alzheimer's Prevention (WRAP)
  • Control Groups: Cognitively healthy and both parents survived past age 70 with no memory problems

Who cannot join

  • Claustrophobia
  • Metallic or electronic implants or devices that are not MRI-safe

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of Wisconsin - Wisconsin Comprehensive Memory Program

    Madison, Wisconsin, 53792

Other trials in United States

About this study

The purpose of this study is to investigate the organization of memory and develop future methods for early detection of AD. Using functional magnetic resonance imaging (fMRI), we examine the responsiveness of the brain to memory tasks, specifically focusing on regions of the brain (the mesial temporal lobe and posterior cingulate) that are known to be involved in early stages of Alzheimer's disease (AD). Of interest are differences in brain activation between people with and without a family history of AD and other risk factors.

Medical subject headings
Alzheimer Disease, Dementia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT00478491
Study groupRoleWhat they receive
1Persons with a parent with Alzheimer's disease
2Persons whose parents survived to old age without memory problems
3Persons with diagnosed mild cognitive impairment
4Persons without memory problems

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 May 2007 (estimated)
  2. Study startJan 2003
  3. Primary completionJun 2011
  4. Study completionJul 2011

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Prospective
Enrolment
390 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00478491
Sponsor's protocol ID
2002-515
Other IDs
NIH RO1 AG021155A
Acronym
ALZ
Status last verified
Oct 2016
First submitted
22 May 2007
Last updated
27 Oct 2016
Results posted
No
Data monitoring committee
Yes

Publications

  • Ries ML, Jabbar BM, Schmitz TW, Trivedi MA, Gleason CE, Carlsson CM, Rowley HA, Asthana S, Johnson SC. Anosognosia in mild cognitive impairment: Relationship to activation of cortical midline structures involved in self-appraisal. J Int Neuropsychol Soc. 2007 May;13(3):450-61. doi: 10.1017/S1355617707070488.

    PubMed 17445294
  • Johnson SC, Schmitz TW, Trivedi MA, Ries ML, Torgerson BM, Carlsson CM, Asthana S, Hermann BP, Sager MA. The influence of Alzheimer disease family history and apolipoprotein E epsilon4 on mesial temporal lobe activation. J Neurosci. 2006 May 31;26(22):6069-76. doi: 10.1523/JNEUROSCI.0959-06.2006.

    PubMed 16738250
  • Trivedi MA, Schmitz TW, Ries ML, Torgerson BM, Sager MA, Hermann BP, Asthana S, Johnson SC. Reduced hippocampal activation during episodic encoding in middle-aged individuals at genetic risk of Alzheimer's disease: a cross-sectional study. BMC Med. 2006 Jan 13;4:1. doi: 10.1186/1741-7015-4-1.

    PubMed 16412236
  • Ward MA, Carlsson CM, Trivedi MA, Sager MA, Johnson SC. The effect of body mass index on global brain volume in middle-aged adults: a cross sectional study. BMC Neurol. 2005 Dec 2;5:23. doi: 10.1186/1471-2377-5-23.

    PubMed 16321166
  • Ries ML, Schmitz TW, Kawahara TN, Torgerson BM, Trivedi MA, Johnson SC. Task-dependent posterior cingulate activation in mild cognitive impairment. Neuroimage. 2006 Jan 15;29(2):485-92. doi: 10.1016/j.neuroimage.2005.07.030. Epub 2005 Aug 15.

    PubMed 16102979

Questions about this trial

What is this clinical trial studying?

An observational study of Magnetic Resonance Imaging and Alzheimer's Disease, run by University of Wisconsin, Madison at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 Oct 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00478491, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Oct 2016.

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