ACCEPTING APPLICATIONS · GRANT
Limited Competition: Small Grant Program for NHLBI K01/K08/K23/K25 Recipients (R03 Clinical Trial Optional)
- Deadline
- Nov 7, 2028 (744 days left)
- Who can apply
- Others
- Award range
- Up to $85,000
- Expected awards
- 29
- Total program funding
- $3.9 million
- Your own money required
- No cost sharing or matching required
- Opportunity number
- RFA-HL-27-004
- Posted
- May 12, 2026
- Assistance listing
- 93.840
More on who can apply
Only the following NHLBI K01, K08, K23, and K25 awardees are eligible to apply for this funding opportunity.Refer to Section III. Eligibility Information in the NOFO for additional information on eligibility.Foreign Organizations/International Collaborations:Non-domestic (non-U.S.) Entities (Foreign Organizations) are not eligible to apply.Non-domestic (non-U.S.) components of U.S. Organizations are not eligible to apply.Foreign components, as defined in the NIH Grants Policy Statement, are not allowed.
What it funds
This is a Notice of Funding Opportunity (NOFO) for a Limited Competition that invites applications from eligible organizations to apply. Please see Section III. Eligibility for additional information. In accordance with NIH standard peer-review processes, the applications will be peer-reviewed, and only meritorious applications will be considered. The purpose of this NOFO is to solicit current or recently completed NHLBI K01, K08, K23, and K25 awardees for small grant support to expand their current research objectives or to branch out to a new study emerging from their K award research. This NOFO is intended to facilitate the transition to research independence for these NHLBI K awardees. Current NHLBI K01, K08, K23, and K25 awardees may apply for this R03 support starting in the third year of their K award Project Period. Recently completed NHLBI K01, K08, K23, and K25 award recipients are eligible to apply or resubmit A1 applications if the earliest potential R03 award start date is within two years of the end of their K award Project Period.The R03 grant mechanism supports research projects that can be completed within two years and with limited resources. These projects are expected to generate preliminary data to bolster a subsequent R01-equivalent application. Eligible projects include, but are not limited to, pilot or feasibility studies; proof of concept studies; secondary analysis of existing data; small, self-contained research projects; development of new research methodologies or technologies, or creation of novel experimental model systems.Applicants are required to maintain a minimum of 40% protected research effort during the R03 award period. This requirement can be fulfilled through a combination of effort on the proposed R03 project and other research…
Open the official notice on Grants.gov ↗What to do next
- Open the official notice on Grants.gov and download the full announcement (the NOFO) and any attachments.
- Check you can apply: the eligible applicants above, and any detail in the notice's eligibility section.
- Register your organization in SAM.gov (choose "all awards") and create a Grants.gov account; allow several weeks the first time.
- Apply through Grants.gov exactly as the notice says, before Nov 7, 2028. Late applications are usually not accepted.
New to this? Applying for a federal grant, step by step · Register to apply · How to read the notice · Write the narrative · Build the budget · Agency contact: NHLBI_R03@nih.gov
From Grants.gov's official daily extract of Oct 25, 2026. The notice on Grants.gov and its attachments are what count. UX Contract is independent and not a government website.