Platelet markers and blood flow to predict recurrent stroke in intracranial artery disease
Official title: Platelet Expression of FcgammaRIIa and Arterial Hemodynamics to Predict Recurrent Stroke in Intracranial Atherosclerosis
Funded at University of Southern California · NIH-11504575 · Data updated 2026-11-12
Researchers will look at how a platelet protein (FcγRIIa) and blood flow patterns from CT angiography predict who might have another stroke after a minor stroke or TIA caused by intracranial artery disease.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Southern California NIH-funded |
| Lab location | 1 site (Los Angeles, UNITED STATES) |
| Project start | March 1, 2026 |
| Project end | March 31, 2027 |
| Funding year | 2026 |
| Award (this year) | $759,519 |
| NIH project number | 7R01NS123734-05 |
| Project ID | NIH-11504575 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with acute cerebral ischemia due to 50-99% intracranial atherosclerotic disease diagnosed on CTA.
✕Less likely to help
Patients without intracranial artery disease or with non-ischemic etiologies may not benefit from this risk model.
What this research studies
This study will combine patient-specific imaging data with blood test results to create a personalized risk model for recurrent stroke after ICAD. It will measure FcγRIIa expression on platelets and use CTA-derived wall shear stress calculations to understand how these factors interact with anti-platelet therapy and platelet reactivity. The project plans to enroll about 250 adults with acute ischemia within 72 hours of onset across six sites with diverse populations, and follow them to assess recurrent events over time. The goal is to identify high-risk patients and inform precision prevention strategies.
Why it matters
Potential benefit: If successful, the work could lead to personalized prevention strategies that reduce the risk of another stroke in ICAD patients.
How similar studies have gone: Early data suggest platelet FcγRIIa expression and wall shear stress may identify those at higher risk, but this multi-site model is novel in its integration for ICAD.
Where this research is happening
-
University of Southern California
Los Angeles, United States Active
Researchers
- Principal investigator: Liebeskind, David Sigmund — University of Southern California
- Study coordinator: Liebeskind, David Sigmund
Related research
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.