NHLBI Early Career Investigator Awards and Supplements (K01, K08, K23, K25, K99/R00, K22, R03, R38/K38)
National Heart, Lung, and Blood Institute (NHLBI), NIH
NHLBI's consolidated early-career page, and the single most useful entry point for a social work researcher whose work touches heart, lung, blood or sleep conditions. The K01 here is described in terms that read as an invitation to social science: highly innovative research in humans across epidemiology, biostatistics, outcomes research and IMPLEMENTATION SCIENCE. Alongside it sit the K08 and K23 for clinically trained applicants, the K25 for quantitatively trained applicants moving into health research, the K99/R00 Pathway to Independence for postdocs, the K22 career transition award, and a l
- Indicative award
- Amount not published (varies by call)The page does not publish salary caps or full budget levels for the K awards, directing applicants to the individual NOFOs instead. The one figure it does state is for Life Event Supplements: up to $70,000 in direct costs for one year.
- Timing
- Several times a yearSeveral times a year · Feb, Jun, OctNo specific published date recorded. This funder publishes a cycle rather than a date, and this database does not invent one.Each K mechanism runs on its own NOFO with standard NIH career-development receipt dates, which this page does not list — it links out to the individual PA numbers (K01: PA-24-175 / PA-24-176; K08: PA-24-181 / PA-24-182; K23: PA-24-184 / PA-24-185; K25: PA-24-190 / PA-24-191; K99/R00: PA-24-193 / PA
- Who can apply
- Postdoctoral, Early-career faculty, Doctoral candidate
- Eligibility
- Mechanism-specific. The K01 is for faculty-level investigators working under an accomplished mentor; K08 and K23 require a clinical doctoral degree; K25 requires a quantitative science background; K99/R00 is for postdoctoral researchers not yet in an independent faculty position; the limited-competition R03 (RFA-HL-25-011) is restricted to current or recently completed K01, K08, K23 or K25 awardees. All require a U.S. applicant institution and an eligible mentor and institutional commitment; NIH mentored K awards generally require U.S. citizenship, non-citizen national status or permanent resi
- SSWR clusters
- Topics
- career development · implementation science · outcomes research · epidemiology · caregiving supplements
- Apply at
- https://www.nhlbi.nih.gov/grants-and-training/training-and-career-development/early-career
- This entry
- Curated by the working group. Written 2026-08-07. The funder link has not yet been machine-checked.
Amounts and dates on this page are indicative and are maintained by people rather than scraped. Funders change ceilings, windows and eligibility without notice; confirm all details at the source above before applying.
Also on the Health shelf
- Research Project Grant (R01)National Institutes of Healthup to $250k per year · Several times a year · Feb, Jun, Oct
- Exploratory/Developmental Research Grant (R21)National Institutes of Healthup to $275k · Several times a year · Feb, Jun, Oct
- Ruth L. Kirschstein Predoctoral Individual NRSA (F31)National Institutes of HealthAmount not published · Several times a year · Apr, Aug, Dec
- Mentored Research Scientist Development Award (K01)National Institutes of HealthAmount not published · Several times a year · Feb, Jun, Oct
- Pathway to Independence Award (K99/R00)National Institutes of HealthAmount not published · Several times a year · Feb, Jun, Oct
- Health services research grantsAgency for Healthcare Research and QualityAmount not published · Several times a year · Feb, Jun, Oct