NIH's R03 grant supports small, short-term research projects like pilot studies and methodology development, but excludes clinical trials.
Funder: National Institutes of Health
Due Dates: November 16, 2026 (Resubmission/revision) | February 16, 2027 (New) | March 16, 2027 (Resubmission/revision) | June 16, 2027 (New) | July 16, 2027 (Resubmission/revision) | October 16, 2027 (New) | November 16, 2027 (Resubmission/revision) | January 7, 2028 (Closing) | January 8, 2028 (Expiration)
Funding Amounts: Up to $50,000 in direct costs per year for up to two years
Summary: Supports small, well-defined research projects requiring limited resources, including pilot studies, secondary analyses, and methodology or technology development.
Key Information: Clinical trials and foreign subawards/subcontracts are not allowed.
The NIH Small Research Grant Program (R03), opportunity PA-25-302, supports discrete, well-defined projects that can realistically be completed within two years using limited resources. Supported work includes pilot and feasibility studies, secondary analysis of existing data, small self-contained research projects, development of research methodology, and development of new research technology.
Applications must fit the mission and scientific interests of a participating NIH Institute or Center. The program supports creative discoveries and innovative research strategies that advance knowledge and ultimately protect and improve health. Applicants are encouraged to identify an appropriate participating Institute or Center and discuss scientific fit with its research staff before submitting. Institutes and Centers that do not participate in this announcement will not consider applications for funding.