# Expanding the Target Landscape by Drugging the Undruggable (R21 Clinical Trial Not Allowed)

> Federal funding opportunity · **POSTED** · National Institutes of Health · close: **02/17/2028**

## Key facts

- **Opportunity ID:** 359154
- **Opportunity number:** PAR-25-442
- **Agency:** National Institutes of Health
- **Status:** posted
- **Document type:** synopsis
- **Open date:** 06/17/2025
- **Close date:** 02/17/2028
- **CFDA codes:** 93.350, 93.121, 93.867, 93.855, 93.865, 93.242

## Primary source

Grants.gov opportunity detail: https://www.grants.gov/search-results-detail/359154

## Citation

> US Grants.gov, funding opportunity 359154 (PAR-25-442). Retrieved via AI Analytics 2026-05-16 from https://api.ai-analytics.org/opportunity/359154. Licensed CC0.

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