Natural History of Amyloid Deposition in Adults With Down Syndrome

Status Completed

Clinical Trial Summary

The primary objective of this study is to assess the presence of amyloid in non-demented/functionally stable adults with DS as a function of age, dividing the sample into amyloid-positive and amyloid-negative groups. We will also obtain baseline cognitive measures across a range of areas that are often affected by AD.

Clinical Trial Description

Specific Aim 1: To assess and compare amyloid deposition (with PiB PET) in non-demented/functionally stable adults with DS across three age cohorts (30-39, 40-49, and >50 years of age).

Primary Hypothesis 1: At initial assessment, there will be a significantly higher prevalence of amyloid-positive (PiB+) subjects in each succeeding age cohort.

In addition, we will test the following secondary hypothesis:

Secondary Aim 1: To compare the presence or absence of the apolipoprotein-E4 allele to the retention of PiB in various brain areas of the DS subjects.

Secondary Hypothesis 1: At baseline, subjects who carry at least one Apolipoprotein-E4 (ApoE4) allele will show a higher prevalence of being PiB+. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01303133
Study type	Observational
Source	University of Pittsburgh
Contact
Status	Completed
Phase
Start date	August 2009
Completion date	March 31, 2018

View Details

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