Limited Competition: Small Grant Program for NHLBI K01/K08/K23/K25 Recipients (R03 Clinical Trial Optional)
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About This Opportunity
This is a limited competition small grant program (R03) offered by HHS-NIH for current recipients of specific NHLBI K-series awards (K01, K08, K23, or K25). It provides additional funding to support research, with clinical trials being an optional component. This opportunity is designed to further the work of existing NIH-funded researchers within the National Heart, Lung, and Blood Institute's scope.
Eligibility Requirements
Application Guide
Selection criteria will likely focus on the scientific merit of the proposed research, its relevance to NHLBI's mission, the investigator's track record, and the potential for career development, building upon the existing K-award.
Highlight how the proposed research builds directly on your existing K-award and aligns with NHLBI's strategic priorities. Clearly articulate the scientific premise and innovation, and ensure a well-justified budget.
Geographic Coverage
Links & Resources
Source & freshness
Last verified: 6/16/2026
Primary source: Official source page
Refresh cadence: Listings are refreshed weekly.
Reminder: Confirm eligibility and deadlines before applying.