# NIH Exploratory/Developmental Research Project Grant (Parent R21 Basic Experimental Studies with Humans Required)

> Federal funding opportunity · **POSTED** · National Institutes of Health · close: **05/24/2026**

## Key facts

- **Opportunity ID:** 357811
- **Opportunity number:** PA-25-307
- **Agency:** National Institutes of Health
- **Status:** posted
- **Document type:** synopsis
- **Open date:** 12/18/2024
- **Close date:** 05/24/2026
- **CFDA codes:** 93.233, 93.840, 93.866, 93.279, 93.865, 93.273, 93.837, 93.361, 93.173, 93.838, 93.867, 93.242, 93.213, 93.839

## Primary source

Grants.gov opportunity detail: https://www.grants.gov/search-results-detail/357811

## Citation

> US Grants.gov, funding opportunity 357811 (PA-25-307). Retrieved via AI Analytics 2026-05-18 from https://api.ai-analytics.org/opportunity/357811. Licensed CC0.

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*[Grants.gov dataset](/datasets/grants-gov) · CC0 1.0*