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Limited Competition: Small Grant Program for NHLBI K01/K08/K23/K25 Recipients (R03 Clinical Trial Optional)

US · MD National Institutes of Health / National Heart, Lung, and Blood Institute (NHLBI) grant open #RFA-HL-27-004
Response due Nov 07, 2028 · 00:00 UTC

Summary

The National Heart, Lung, and Blood Institute (NHLBI) is offering a limited competition small grant program (R03 mechanism) targeting current recipients of NHLBI K01, K08, K23, and K25 career development awards. The program is designed to provide supplemental research funding to early-career scientists already holding NHLBI mentored career development awards. Clinical trials are optionally permitted under this funding opportunity. The opportunity is open from May 2026 through November 2028, allowing multiple submission cycles.

What they want

This is a federal grant funding opportunity (not a procurement contract) issued by the National Institutes of Health (NIH) / NHLBI under solicitation number RFA-HL-27-004. The R03 Small Grant mechanism provides limited funding to researchers who are current recipients of NHLBI K01 (Research Scientist Development Award), K08 (Mentored Clinical Scientist Research Career Development Award), K23 (Mentored Patient-Oriented Research Career Development Award), or K25 (Mentored Quantitative Research Career Development Award). Clinical trials are optionally allowed. The competition is limited — only current NHLBI K-award recipients are eligible to apply.
Technical requirements
  • Applicant must be a current recipient of an NHLBI K01, K08, K23, or K25 career development award
  • Clinical trials are optionally permitted under this R03 mechanism
  • Limited competition — not open to general applicants

How they evaluate

Submission: Grants.gov federal grants portal (electronic submission)

Eligibility & certifications

Current NHLBI K01/K08/K23/K25 award recipient status required to apply

Risks & flags

  • Strictly limited competition — only existing NHLBI K-award holders are eligible, effectively restricting the applicant pool to a pre-defined cohort
  • No dollar value published — R03 awards are typically small (~$50K direct costs/year) but not confirmed in this notice
Limited Competition: Small Grant Program f…
Due Nov 07
Onboard ↗