Disease registries
Longitudinal observational cohorts in rheumatoid arthritis, psoriatic and spondyloarthritis — collected at the moment of clinical encounter from both physicians and patients.
Explore registries →The Corrona Research Foundation (CRF) is an independent, not for profit private foundation. The CRF has access to the deep longitudinal data on patients with rheumatoid arthritis which has been collected by more than 700 rheumatologists in 42 states. These data are derived from approximately 460,000 individual patient visits over a 25+ year span and contain the largest observational database collecting data from both physicians and patients with rheumatic diseases with simultaneous data at the time of clinical encounter.
CRF is an independent, not for profit private foundation with access to the deep longitudinal data on patients with rheumatoid arthritis collected by more than 700 rheumatologists in 42 states. These data are derived from approximately 460,000 individual patient visits over a 25+ year span — the largest observational database collecting data simultaneously from physicians and patients with rheumatic diseases at the time of clinical encounter.
From rheumatoid arthritis to psoriatic disease, CRF data powers comparative effectiveness research at the highest scientific bar.
Longitudinal observational cohorts in rheumatoid arthritis, psoriatic and spondyloarthritis — collected at the moment of clinical encounter from both physicians and patients.
Explore registries →A two-step proposal process reviewed by the Board and the Clinical Investigators Committee. We support investigators with biostatistics and methodology.
How to submit →Peer-reviewed work in Arthritis & Rheumatology, Annals of the Rheumatic Diseases, J. Rheumatology, and posters at ACR and EULAR annual meetings.
Browse publications →Cellular and Molecular Immunology · 2026 Jan 30
Arthritis & Rheumatology · 2025; 77:263-271
Arthritis Care & Research · 2024 Sep; 76(9):1313-1321
Seminars in Arthritis & Rheumatism · 2024; 152559
Investigators across institutions submit two-paragraph letters of intent year-round. Approved proposals advance to full review by the Clinical Investigators Committee with biostatistics support from CRF.