NIH-funded research R01 grant

Why some people stay mentally sharp into their 90s

Official title: Cognitively Healthy Nonagenarians in the Cross Cohort Collaboration (CCC)

Funded at University of Texas Hlth Science Center · NIH-11470426 · Data updated 2026-11-12

Combining long-term health data from many older adults to find what helps people stay mentally sharp into their 90s.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Science Center
NIH-funded
Lab location1 site (San Antonio, United States)
Project startSeptember 1, 2018
Project endJanuary 31, 2031
Funding year2026
Award (this year)$338,964
NIH project number3R01AG059421-02S2
Project IDNIH-11470426 on NIH RePORTER

Who could benefit from this research

Could help

Ideal participants are older adults—especially people aged 85 or older—or adults who previously joined long-term health cohorts and can share their medical histories, imaging, or blood samples.

Less likely to help

People seeking an immediate new treatment or short-term clinical benefit are unlikely to gain direct benefit because this is an observational data‑linking project rather than a therapy trial.

What this research studies

This project brings together many long-running health studies to examine people who lived into their 90s without dementia. Researchers harmonize medical records, brain imaging, blood biomarkers (like Aβ42), genetic factors such as APOE, and lifestyle information collected from midlife onward. Pooling data across cohorts increases the chance to spot rare patterns of resilience and contributors to dementia that single studies cannot detect. The team aims to learn what risk factors and protective traits predict cognitive health in the oldest-old.

Why it matters

Potential benefit: If successful, this work could reveal preventable risk factors or protective traits that help people remain cognitively healthy into very old age.

How similar studies have gone: Large cohort collaborations like CHARGE have identified dementia risk factors before, but using pooled cohorts specifically to study resilience in the oldest-old is a newer approach with less direct precedent.

Where this research is happening

  • University of Texas Hlth Science Center
    San Antonio, United States
    Active

Researchers

  • Principal investigator: Seshadri, Sudha — University of Texas Hlth Science Center
  • Study coordinator: Seshadri, Sudha

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.