personADRC Portal Loginstacked_line_chartAccess Data
Home

  • UDSv4 FVP Now Available

    We are excited to announce the launch of the UDSv4 Follow-Up Visit Packet (FVP) forms! Starting today, ADRCs can begin collecting and submitting follow-up visit data using these forms.
    Learn More

  • Save the Date!

    2026 SPRING ADRC Meeting 

    May 3-6, 2026 |  Atlanta, Ga & Virtual

  • Blood and CSF Biomarker Best Practice Guidelines

    January 27 - 2-3 pm ET/11 am-12 pm PT

    Join the ADRC Biomarker Best Practices Workgroup in this one-hour webinar to learn more about their newly released Guidelines for CSF and Blood.

    Register Today!

  • Legacy System Shutdown

    Ensure you and your ADRC have fully transitioned and are ready!
    Learn More

  • It Takes A Village

    Inspiring the next generation of scientists is central to the Arizona ADRC’s approach to advancing Alzheimer’s disease and related dementias research.
    Read More

  • UDSv4 Spanish Initial Visit Packets are Now Available!

    Learn More

The National Alzheimer’s Coordinating Center (NACC) functions as the centralized data repository, and collaboration and communication hub, for the National Institute on Aging’s (NIA) Alzheimer’s Disease Research Centers (ADRC) Program.

Next data freeze: March 2026    •    Most recent data freeze: December 2025

NACC Navigator

Monthly News, Updates, & Information

Request Data icon

Request data

Submit data icon

Submit data

Submit data via the 
ADRC Portal or 
NACC Legacy Portal
(NACC account required)

NACC collects data from 37 active ADRCs across 25 states

NACC is home to one of the largest, oldest, and most powerful Alzheimer’s disease datasets, built in collaboration with more than 42 Alzheimer’s Disease Research Centers (ADRCs) throughout the US over the past 25+ years. We are on a mission to modernize data collection, integration, and sharing to advance Alzheimer’s Disease and related dementias (AD/ADRD) research. 

All NACC data is freely available to researchers.

About NACC Data

Participants

54,000+
Participants with Data at NACC
(20,000+ active participants)

Clinical Assessments

201,000
Clinical Assessments
1-20 per participant (median=3)

Neuropathology

8,300+
Neuropathology Exams
from 58% of deceased participants

Imaging data

15,000+
MRI & PET Participants
1-14 exams per participant

Published Studies

1,500+
Published Studies
using NACC data

ADRC

37
Alzheimer's Disease Research Centers
contributing data across 25 states

Getting Started with NACC

Home Circle 1

ADRC Portal: Your Center’s Gateway to NACC Data Tools

The ADRC Portal provides secure, Center-specific tools to manage participant data and streamline UDSv4 submissions. Designed for secure, flexible, and easy-to-use access to multimodal data pipelines.

ADRC Access and Info
Research Resources

NACC Data and Research Tools

The NACC Data Front Door offers streamlined access to one of the world’s largest longitudinal AD/ADRD datasets. Researchers can search, visualize, and request curated multimodal data—linking clinical, imaging, genetic, and biomarker information across the ADRC network.

Learn More About NACC Data
Events and Webinars

Upcoming Events and Webinars

Stay informed and connected through upcoming NACC-hosted webinars, workshops, and ADRC community events. Learn about new tools, hear implementation updates, and engage directly with experts across the AD/ADRD research network.

Community Calendar

Join the fight against Alzheimer’s

Discover how you can make a difference and support Alzheimer’s research.

Get Involved