Investigating Alzheimer's disease changes in World Trade Center responders

Burden and change in Alzheimers disease neuropathology in aging World Trade Center responders

NIH-funded research State University New York Stony Brook · NIH-11044134

This study is looking at World Trade Center responders who helped after 9/11 to see how their experiences, especially those with PTSD, might affect their brain health and increase the risk of Alzheimer's disease, using advanced brain scans to track any changes over time.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionState University New York Stony Brook NIH-funded
Lab location1 site (Stony Brook, United States)
Project IDNIH-11044134 on NIH RePORTER

What this research studies

This research focuses on World Trade Center responders who were exposed to harmful dust particles during rescue efforts after 9/11. It aims to understand how their experiences, particularly those suffering from PTSD, may have accelerated cognitive aging and increased the risk of Alzheimer's disease. The study will involve a large group of 120 medically-healthy responders undergoing advanced imaging techniques, including PET and MRI scans, to assess brain changes and cognitive function over time. By examining the relationship between PTSD and neuroinflammation, the research seeks to uncover early signs of cognitive impairment and neurodegeneration.

Who could benefit from this research

Good fit: Ideal candidates for this research are medically-healthy individuals who were responders at the World Trade Center and have experienced PTSD.

Not a fit: Patients who have not been involved in the World Trade Center rescue efforts or do not have a history of PTSD may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to earlier detection and intervention strategies for Alzheimer's disease in individuals exposed to traumatic events.

How similar studies have performed: Previous research has shown that PTSD can influence cognitive health, but this specific approach using advanced imaging in this unique population is relatively novel.

Where this research is happening

Stony Brook, United States

Researchers

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 below.
Last reviewed 2026-06-13 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.