Mapping how water moves across the blood-brain barrier using MRI

Non-invasive MRI mapping of BBB water exchange rate and permeability

NIH-funded research University of Southern California · NIH-11141776

This study is looking at a new, gentle MRI method to see how well the blood-brain barrier is working, which is important for keeping your brain safe, and it could help spot early signs of brain health issues as we age.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Southern California NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project IDNIH-11141776 on NIH RePORTER

What this research studies

This research investigates a non-invasive MRI technique designed to assess the function of the blood-brain barrier (BBB), which protects the brain from harmful substances. By using a specialized method called diffusion prepared pseudo-continuous arterial spin labeling (OP-pCASL), the study aims to measure the water exchange rate and permeability of the BBB. This could help identify early signs of neurodegenerative disorders by detecting subtle dysfunctions in the BBB. The research will focus on understanding how these measurements relate to aging and other factors that may affect brain health.

Who could benefit from this research

Good fit: Ideal candidates for this research are older adults or individuals at risk for neurodegenerative disorders.

Not a fit: Patients with acute neurological conditions or those who do not have any risk factors for neurodegenerative diseases may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to earlier diagnosis and better management of neurodegenerative diseases.

How similar studies have performed: Previous research has shown promise in using MRI techniques to assess BBB function, indicating that this approach could be effective.

Where this research is happening

Los Angeles, 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.