Secondary Analysis of Existing Datasets in Heart, Lung, and Blood Diseases and Sleep Disorders (R21 Clinical Trial Not Allowed)

Funding Agency:
National Institutes of Health

This Funding Opportunity Announcement (FOA) encourages R21 applications that propose to conduct secondary analyses using existing human datasets in areas relevant to the National Heart, Lung, Blood Diseases and Sleep Disorders Institute (NHLBI) scientific mission. The FOA aims to stimulate the use of existing human datasets to investigate novel scientific ideas, and/or generate new models, systems, tools, or technologies that have the potential for significant impact on biomedical or biobehavioral research. Generation of new primary data is not allowed.


  • Application Due Date(s): February 28, 2023; Oct. 28, 2023; Feb. 28, 2024; Oct 28, 2024; Feb 28, 2025; Oct 28, 2025
  • AIDS Application Due Date(s): May 8, 2023; Jan 8, 2024; May 7, 2024; Jan 7, 2025; May 7, 2025; Jan 7, 2026

PAR-23-036  Expiration Date January 08, 2026

Agency Website



Amount Description

Application budgets may request up to $75,000 in direct costs per year. Investigators are encouraged to request what is well-justified for their proposed research.

Applications exceeding this amount will not be reviewed.

The total project period may not exceed 2 years.

Funding Type





Medical - Basic Science
Medical - Clinical Science
Social Sciences

External Deadline

May 7, 2024