NHLBI Small Grant Program for K Award Recipients

RFA-HL-27-004 is a limited competition offering R03 small research grants specifically for investigators who have completed NHLBI K01, K08, K23, or K25 career development awards. The program supports clinical trial-optional research and is intended to bridge K-award recipients into independent investigator status. The FOA was released May 12, 2026 and expires November 8, 2028.

Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.