About the dataset

Primary description: Alzheimer’s risk in middle-aged adults

The Wisconsin Registry for Alzheimer’s Prevention (WRAP) is a longitudinal observational study of cognitively unimpaired adults. Participants are primarily the healthy children of late-onset Alzheimer’s Disease patients at the Memory Assessment Clinic at the University of Wisconsin-Madison. Since 2001, WRAP has followed 1,561 subjects at bi-annual assessments, including molecular PET and structural MR imaging, CSF collection, laboratory tests, genetic screening, cognitive testing, and self-reported histories of lifestyle and health.
Study Wisconsin Registry for Alzheimer’s Prevention
Study Website WRAP
Data Descriptor Paper https://doi.org/10.1016/j.dadm.2017.11.007
DUA https://redcap.medicine.wisc.edu/surveys/?s=T9XK8EEN3Y
Country/Region USA
Disease Tag alzheimers;aging
Age (mean ± SD)
(Baseline)
61.7 ± 6.2
Age Range
(Baseline)
45.4-77.7
% Female 71.3
CUBIC Project /cbica/projects/PreclinicalAD
PI for CUBIC Access Approval Christos Davatzikos
N Subjects 272
N MR Sessions 735
Diagnoses
AD
Value V01 V02 V03 V04 V05 V06 V07
nan 158 52 4 1 4 3
CN 113 134 131 78 44 5 2
early MCI 2
MCI 2 1 1
DLMUSE (v1.0.7)
(735/735 complete)
/cbica/projects/PreclinicalAD/PAC_Studies/WRAP/Pipelines/WRAP_DLMUSE_2025/Results/DLMUSE_Volumes.csv
RAVENS (DRAMMS-1.4.1)
(735/735 complete)
/cbica/projects/PreclinicalAD/PAC_Studies/WRAP/Pipelines/WRAP_3.5D_2022_DLICV_MASK/Protocols/RAVENS
DLWMLS (v0.1.0)
(715/715 complete)
/cbica/projects/PreclinicalAD/PAC_Studies/WRAP/Pipelines/WRAP_DLWMLS_2025/Results/WRAP_DLWMLS_DLMUSE_Segmented_Volumes.csv
Non-Imaging Data
/cbica/projects/ISTAGING/Pipelines/ClinicalDataConsolidation_201911/Data/External_Data/WRAP

Raw data downloaded from source.

/cbica/projects/ISTAGING/Pipelines/ClinicalDataConsolidation_201911/dictionaries/WRAP

Data dictionary of raw data downloaded from source.

/cbica/projects/ISTAGING/Pipelines/ISTAGING_Data_Consolidation_2020/v2.0/istaging.csv

Data consolidated and harmonized in 2020.

This study: subset with df[df.Study == 'WRAP']

README: /cbica/projects/ISTAGING/Pipelines/ISTAGING_Data_Consolidation_2020/v2.0/README.md

Release Notes: /cbica/projects/ISTAGING/Pipelines/ISTAGING_Data_Consolidation_2020/v2.0/Release_Notes.md

/cbica/home/harmang/for_others/final_combined_istaging_withMUSE.csv

Data consolidated and harmonized in 2026.

This study: subset with df[df.Study == 'WRAP']


Funding
The WRAP study was supported by R01 AG027161 and R01 AG021155. This study was supported in part by the National Institutes of Health (NIH) grant numbers 5R01AG080821, 1R01AG085571 and 5R01AG083865.