NeoCast: A new embolic treatment for chronic subdural hematoma
Official title: RADIANT: A Pivotal Clinical Study of a Next-Generation Embolic for Chronic Subdural Hematoma
Funded at Arsenal Medical, INC. · NIH-11409547 · Data updated 2026-11-12
A new, fast-acting embolic therapy called NeoCast may reduce bleeding in chronic subdural hematoma patients and lower the need for extensive brain surgery.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Arsenal Medical, INC. NIH-funded |
| Lab location | 1 site (Waltham, UNITED STATES) |
| Project start | September 24, 2026 |
| Project end | May 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $2,238,626 |
| NIH project number | 1SB1AG102149-01 |
| Project ID | NIH-11409547 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with chronic subdural hematoma who are considered for middle meningeal artery embolization.
✕Less likely to help
Patients whose cSDH is not due to bleeding from MMA vessels or those not eligible for embolization.
What this research studies
Chronic subdural hematoma is common in older adults and is caused by fragile brain vessels. This study tests NeoCast, a solvent-free, in situ curing embolic material designed to cut off blood supply to the bleeding vessels in the skull. By potentially improving vessel penetration and reducing pain and anesthesia needs, the approach aims to improve recovery after treatment. Participants would be adults with cSDH who are candidates for embolization as part of their care.
Why it matters
Potential benefit: If successful, this therapy could reduce recurrence of cSDH and shorten hospital recovery, improving outcomes for older patients.
How similar studies have gone: Early vascular embolic approaches have shown promise, but this specific NeoCast material is novel and aims to improve penetration and safety.
Where this research is happening
-
Arsenal Medical, INC.
Waltham, United States Active
Researchers
- Principal investigator: Pekar, Carolyn Ann — Arsenal Medical, INC.
- Study coordinator: Pekar, Carolyn Ann
Related research
Other NIH-funded projects on the same topics.
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Embolization versus surgery for chronic subdural hematoma
It compares a less-invasive artery-blocking procedure (middle meningeal artery embolization) with standard surgery for adults with moderately symptomatic chronic subdural hematoma.
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Investigating brain stiffness to predict outcomes in chronic subdural hematoma treatment
This study is looking at how the stiffness of the brain can help doctors understand and treat chronic subdural hematoma (a type of brain bleeding) in older adults, using special imaging to see how the brain responds after treatment.
-
Comparing embolization and surgery for treating chronic subdural hematomas
This study is looking at whether a new treatment called middle meningeal artery embolization (MMAE) is better than traditional surgery for helping people with chronic subdural hematomas, and it’s for patients who have moderate symptoms and want to see if this new option can lead to fewer surgeries and better recovery i
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Middle Meningeal Artery Embolisation to Prevent Recurrence of Chronic Subdural Hematoma
This study tests whether embolising the middle meningeal artery around the time of hematoma evacuation can reduce recurrence in adults with chronic subdural hematoma.
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What causes vulnerability in older adults with serious diseases and how it affects care decisions
This study tests how often vulnerability factors appear in older adults with serious illnesses and how these factors influence treatment timing, survival, and quality of life.
-
Coil embolization for unilateral vs bilateral chronic subdural hematomas
This trial tests whether unilateral or bilateral coil-based embolization of the middle meningeal artery helps people with chronic subdural hematoma.
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.