Rethinking Chiari I malformation and its effects on brain development

Redefining Chiari Type I Malformation and its Impact on Brain Development

NIH-funded research Washington University · NIH-11182740

This program aims to improve how Chiari I is understood by linking brain and spinal fluid changes to symptoms so people with Chiari can get care that fits their needs.

Quick facts

Grant typeP01 program project
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11182740 on NIH RePORTER

What this research studies

From a patient's perspective, this project uses advanced MRI and other dynamic imaging to look at spinal fluid flow, pulsations of the cerebellum and brainstem, and brain structure instead of relying on a single static image. Researchers at the Park-Reeves Chiari & Syringomyelia Center will combine imaging with clinical exams, symptom reports, and cognitive testing to see how these changes relate to pain, neurologic problems, and syringomyelia. The team aims to create better ways to define Chiari I that reflect the dynamic problems causing symptoms and brain injury. Participation may involve visits to Washington University for specialized scans and follow-up.

Who could benefit from this research

Good fit: Ideal candidates are people with known or suspected Chiari I malformation, with or without syringomyelia, who can undergo detailed MRI and clinical testing.

Not a fit: People without Chiari I, those with unrelated neurological disorders, or those unwilling to travel for imaging and clinical follow-up are unlikely to benefit directly.

Why it matters

Potential benefit: If successful, this work could lead to more accurate diagnoses and treatments that reduce pain, prevent neurological decline, and better predict who will develop syringomyelia.

How similar studies have performed: Smaller studies have shown abnormal CSF flow and tonsil motion in Chiari, but this comprehensive program to redefine the condition and link it to clinical outcomes is novel.

Where this research is happening

Saint Louis, 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.