Reissue of RFA-FD-23-001- Clinical Studies of Orphan Products Addressing Unmet Needs of Rare Diseases (R01 Clinical Trials Required)

the purpose of this notice of funding opportunity (nofo) is to fund clinical trials of products evaluating efficacy and/or safety in support of a new indication or change in labeling to address unmet needs in rare diseases or conditions. additionally, through the funding of collaborative, efficient, and/or innovative clinical trials, fda expects to increase the number of approved treatments for rare diseases and exert a broad and positive impact on rare disease drug development.