Investigations on Primary Immunodeficiency Diseases/Inborn Errors of Immunity (R01, R03, R21)

Funding Agency:
National Institutes of Health

The purpose of this Funding Opportunity Announcement (FOA) is to advance the discovery and characterization of primary immunodeficiency diseases, also referred to as inborn errors of immunity, to understand the causes and mechanisms of disease, to enable early detection and molecular diagnosis, and to support the development of strategies to treat and eventually cure these disorders.   

This FOA will utilize the NIH Small Research Grant (R01) grant mechanism and runs in parallel with FOAs of similar scientific scope: PAR-17-333 and  PAR-17-332, which encourage applications under the R21 and R03 award mechanisms, respectively.


  • Letter of Intent: 30 days prior to the application due date
  • R01 Deadlines: Feb. 5, Jun. 5, Oct. 5.
  • R03 and R21 Deadlines: Feb. 16, Jun. 16, Oct. 16.

PAR-18-712 Expiration Date: May 8, 2021




Environmental & Life Sciences
Medical - Basic Science
Medical - Clinical Science

External Deadline

February 5, 2021