The Bloom Syndrome Association and the National Organization for Rare Disorders (NORD) unveiled the International Bloom Syndrome Registry (IBSR) on July 31, 2026. Because the condition is so rare that its true global prevalence remains unknown, the project seeks to centralize patient-reported information, including diagnosis history, immune complications, and long-term outcomes. By pooling these experiences, researchers hope to build a foundational resource for clinicians and scientists working to identify potential treatments.

Participation is open to patients and guardians globally via the secure IAMRARE online portal. The study allows for the submission of genetic reports, imaging, and lab results, creating a comprehensive digital profile of disease progression. According to Mary Beth Campbell, co-chair of the BSA Research Council, the registry transforms lived experience into actionable data, providing a lifeline for a small, geographically dispersed community. The initiative coincides with the 2026 Blossoming Hope Conference in Los Angeles, where advocates will coordinate outreach efforts to maximize enrollment in the study.