Open (posted) · Grant
Limited Competition: Small Grant Program for NHLBI K01/K08/K23/K25 Recipients (R03 Clinical Trial Optional)
National Institutes of Health, Department of Health and Human Services
Key facts
Copied from the official Grants.gov record. Last verified October 29, 2026.
- Program name
- Limited Competition: Small Grant Program for NHLBI K01/K08/K23/K25 Recipients (R03 Clinical Trial Optional)
- Issuing agency
- National Institutes of Health (Department of Health and Human Services)
- Opportunity number
- RFA-HL-27-004
- Funding type
- Grant
- Funding purpose
- Health
- Status
- Open (posted)
- Application deadline
- Closes November 7, 2028
- Published award range
- Up to $85,000
- Estimated total program funding
- $3,900,000
- Expected number of awards
- 29
- Cost sharing or match required
- No
- Eligible applicants (official categories)
- State governments
- County governments
- City or township governments
- Special district governments
- Independent school districts
- Public and State controlled institutions of higher education
- Native American tribal governments (Federally recognized)
- Public housing authorities/Indian housing authorities
- Native American tribal organizations (other than Federally recognized tribal governments)
- Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education
- Nonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher education
- Private institutions of higher education
- For profit organizations other than small businesses
- Small businesses
- Others (see Additional Information on Eligibility)
- Relevant to
- Businesses and NonprofitsHow we determined this: Grants.gov eligibility includes small businesses or for-profit organizations. Grants.gov eligibility includes nonprofit organizations.
- Geographic restrictions
- None stated in structured data (federal opportunities are often nationwide). Check the eligibility details and full announcement for any limits.
- Assistance Listing (CFDA)
- 93.233, 93.837, 93.838, 93.839, 93.840
- Official source
- View on Grants.gov ↗
- Application URL
- www.grants.gov/search-results-detail/359675 ↗Apply through Grants.gov (Workspace) using the application package on the official listing, unless the full announcement names a different submission system.
- Source identifier
- Grants.gov opportunity ID 359675 · Funding opportunity number RFA-HL-27-004
- Posted
- May 12, 2026 · Source last updated September 3, 2026
- Last verified
- October 29, 2026 (against Grants.gov)
- Data completeness
- 100% of key fields published by the source
- Record confidence
- highVerified against the official source; key fields present; no open issues.
Eligibility details (from the agency)
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.
Description (from the official listing)
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…
Read the full description
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 projects, irrespective of funding source.For current and former K23 awardees, the research proposed in the R03 application may or may not include patient-oriented research.
Agency contact
National Heart, Lung, and Blood Institute (NHLBI)
NHLBI_R03@nih.gov
NHLBI_R03@nih.gov