NIH Exploratory/Developmental Research Grant
Helps NIH Exploratory and Developmental Research Grant for novel ideas and preliminary studies.
About
The NIH Exploratory/Developmental Research Grant (R21) is the exploratory counterpart to the R01, built for novel ideas, high-risk directions, and early studies that do not yet have R01-level preliminary data. Two parent NOFOs are active, with clinical-trial required and not-allowed variants open through January 8, 2028.
It is a grant mechanism with three cycles per year and standard new-applicat…
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Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.