Classifying Chiari I using genetics, brain scans, and symptom patterns
Redefining Chiari Type I Malformation through Genetically, Radiologically, and Clinically-Derived Endophenotypes that are Predictive of Long-Term Neurological Outcome
Combining genetic tests, MRI features, and symptom information to find Chiari I subtypes that predict long-term outcomes for people with Chiari.
Quick facts
| Grant type | P01 program project |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Washington University NIH-funded |
| Lab location | 1 site (Saint Louis, United States) |
| Project ID | NIH-11182748 on NIH RePORTER |
What this research studies
At Washington University, researchers will gather MRI scans, genetic data, and detailed symptom histories from people diagnosed with Chiari I malformation. They will use advanced imaging, genomic techniques, and patient-reported measures to identify distinct subtypes (endophenotypes) within the broad Chiari I diagnosis. The team will link these subtypes to long-term neurological outcomes to determine which patterns are tied to better or worse recovery. Findings aim to help personalize decisions about monitoring, surgery, and follow-up care.
Who could benefit from this research
Good fit: Adults and children diagnosed with Chiari type I malformation, whether symptomatic or not, who can provide medical records, brain scans, and a genetic sample are ideal candidates.
Not a fit: People without Chiari I, those with unrelated neurological conditions, or patients needing immediate emergency surgery are unlikely to gain direct benefit from this classification-focused research.
Why it matters
Potential benefit: Could help doctors predict who is at higher risk of worsening symptoms and support more personalized treatment and follow-up plans.
How similar studies have performed: Smaller studies have linked imaging or genetics to certain Chiari features, but combining large-scale genomics, advanced imaging, and long-term outcomes in one project is relatively new.
Where this research is happening
Saint Louis, United States
- Washington University — Saint Louis, United States (Active)
Researchers
- Principal investigator: Limbrick, David Delmar — Washington University
- Study coordinator: Limbrick, David Delmar
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 below.