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Welcome to the Brain Vascular Malformation Consortium

Join one of our research studies

Participants make it possible for researchers to find new treatments, speed diagnosis and improve the lives of those affected by rare diseases.

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Join the RDCRN for Rare Disease Day at NIH on February 27, 2026

Don’t miss the in-person and virtual celebration of Rare Disease Day at NIH on Friday, February 27, 2026, from 9 am to 5 pm EST.

Rare Disease Day at NIH. February 27, 2026. #RDDNIH. ncats.nih.gov/rdd

Rare Research Report: November 2025

Each month, we share summaries of recent Rare Diseases Clinical Research Network grant-funded publications. Catch up on RDCRN research for November 2025.

Rare Research Report logo

NIH Announces Funding to Establish and Strengthen Rare Disease Research Groups

The National Institutes of Health (NIH) has awarded approximately $26 million in grants in the fiscal year 2025 to begin the fifth cycle of funding for the Rare Diseases Clinical Research Network (RDCRN).

Honeycomb-style infographic showing the structure of the Rare Diseases Clinical Research Network with consortia names