Using MRI to improve diagnosis and treatment of giant cell arteritis
Official title: Establishing orbital and cranial vessel wall MRI enhancement as an imaging biomarker in giant cell arteritis
Funded at University of Pennsylvania · NIH-11048091 · Data updated 2026-11-12
This study is testing a new type of MRI that looks closely at the blood vessels in your head to help doctors better understand and treat giant cell arteritis, which can cause vision problems, so you can get the right care without taking extra medications that might not be needed.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pennsylvania NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project start | December 1, 2024 |
| Project end | November 30, 2028 |
| Funding year | 2025 |
| Award (this year) | $312,627 |
| NIH project number | 1R01AR084199-01A1 |
| Project ID | NIH-11048091 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals diagnosed with giant cell arteritis, particularly those at risk of ocular involvement.
✕Less likely to help
Patients with conditions unrelated to giant cell arteritis or those who do not have any vascular involvement may not benefit from this research.
What this research studies
This research aims to develop a new MRI technique called orbital and cranial vessel wall MRI (oVW-MRI) to better assess disease activity in giant cell arteritis (GCA), a condition that can lead to blindness. By visualizing inflammation in the arteries, this method seeks to provide objective data that can guide treatment decisions and improve clinical trial outcomes. The study will involve a 35-minute MRI scan that captures detailed images of both cranial and orbital arteries, addressing the current lack of reliable biomarkers for GCA. This innovative approach could help reduce unnecessary glucocorticoid exposure and its associated side effects for patients.
Why it matters
Potential benefit: If successful, this research could lead to more accurate diagnosis and treatment of giant cell arteritis, potentially preventing vision loss and reducing the need for high-dose steroids.
How similar studies have gone: Previous studies have shown promise in using MRI for vascular imaging in GCA, but the specific combination of orbital and cranial imaging in this context is a novel approach.
Where this research is happening
-
University of Pennsylvania
Philadelphia, United States Active
Researchers
- Principal investigator: Rhee, Rennie — University of Pennsylvania
- Study coordinator: Rhee, Rennie
Related research
Other NIH-funded projects on the same topics.
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T Cell Immunity in Giant Cell Arteritis
A study at Mayo Clinic Rochester is looking at how specific immune signals go wrong in giant cell arteritis to better understand why it damages the aorta and its vessels.
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MRI scans to detect artery and eye inflammation in giant cell arteritis
This work uses combined orbital and cranial vessel-wall MRI to find artery and eye inflammation in people with giant cell arteritis.
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Understanding T cell immunity in a type of blood vessel inflammation
This study is looking at Giant Cell Arteritis (GCA) to understand why the immune system goes into overdrive and how that can cause serious problems, with the hope of finding new ways to help people with this condition.
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How optic nerve swelling changes after starting steroids in giant cell arteritis
This study tests how quickly the optic nerve sheath swelling decreases after starting glucocorticoids in people with newly diagnosed giant cell arteritis.
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Precision care for giant cell arteritis and polymyalgia rheumatica
This long-term observational project will follow adults with giant cell arteritis or polymyalgia rheumatica to see if regular imaging, eye exams, blood tests, and immune cell profiling can better predict aortic complications and steroid side effects over 5–10 years.
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Ultrasound lesions in temporal and axillary arteries and relapse risk in giant cell arteritis.
We will test whether lesions seen on ultrasound of the temporal and axillary arteries can predict relapse in people with giant cell arteritis.
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.