Reissue of RFA-FD-22-001 - Efficient and Innovative Natural History Studies Addressing Unmet Needs in Rare Diseases (R01 Clinical Trials Optional)

Opportunity snapshot. This Grants.gov announcement — Reissue of RFA-FD-22-001 - Efficient and Innovative Natural History Studies Addressing Unmet Needs in Rare Diseases (R01 Clinical Trials Optional) — is cataloged under number RFA-FD-25-017 and tied to CFDA assistance listing 93.103, posted by Food and Drug Administration. Grants.gov currently shows the opportunity as open, first posted on July 11, 2025. The funding category is Discretionary, delivered as a grant.

Award economics. The award range on file is Up to $600,000. Cost sharing is not required, so applicants do not need to commit matching funds to be competitive on this opportunity. Federal award ranges are often upper bounds; actual allocations reflect program appropriations, the strength of the applicant pool, and the evaluation committee's scoring.

Deadline and action path. Applications close on February 8, 2028 — roughly 613 days from today. Every Grants.gov submission requires an active SAM.gov registration and a Unique Entity ID. Review the Eligibility section below carefully — federal eligibility categories (nonprofit, state or local government, tribal, individual, educational institution, small business) have distinct registration and reporting requirements. Pre-application outreach to the listed agency contact is permitted and often welcomed — it helps clarify scope and scoring priorities.