University of Wisconsin-Madison (UW-Madison) has established a collaborative partnership with multiple universities in the U.S., designating itself as a premier study site for visits. This strategic alliance brings together the research expertise of all institutions, fostering a dedicated environment for the investigation and understanding of CADASIL. Through joint efforts, UW-Madison and the entire Consortium of sites aim to advance knowledge and contribute to the broader scientific community’s understanding of this rare and complex condition.