Clinical Observational (CO) Studies in Musculoskeletal, Rheumatic, and Skin Diseases (R01 Clinical Trial Not Allowed)

This funding opportunity announcement supports clinical observational studies in musculoskeletal, rheumatic, and skin diseases through the R01 mechanism. The program was re-issued to incorporate Simplifying Review of Research Project Grant Applications changes. This PAR does not allow clinical trials and is specifically focused on observational research in these disease areas. The program is offered by the National Institutes of Health under the Arthritis, Musculoskeletal and Skin Diseases Research assistance listing. Applications are accepted through November 2, 2026.