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NIH Small Research Grant Program

NIH R03 Small Research Grant — Parent PA

Supports focused United States. research projects through recurring small grant NIH pathways.

Between cyclesNational Institutes of HealthUnited States
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About

The NIH R03 Small Research Grant Program funds discrete, self-contained research projects that can be completed within two years and do not require the scale of an R01. The parent announcement PA-25-302 (Clinical Trial Not Allowed) was issued December 18, 2024, opened January 16, 2025, and remains active through January 8, 2028. New application deadlines are February 16, June 16, and October 16 ea…

What this grant funds

Small, discrete, self-contained biomedical research projects across any NIH Institute or Center topic area, submitted on a three-cycle annual schedule.

Key facts
CycleiHow often this grant runs — e.g. annually, on a rolling basis, or a one-off call.Multiple per year
Next deadlineiThe next date applications are due. Rolling means you can apply any time.16 Oct 2026
Decision timeiTypical time from the deadline to the funder's decision.—
Project durationiHow long the funded work is expected to run.12–24 months
Award typeiThe form of funding — grant, equity, loan, tax credit, etc.Grant
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.0%
Funding pooliThe total budget available across all awards in this round.—
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Last verified: 30 Jul 2026Source: grants.nih.gov