# Single-Site Investigator-Initiated Clinical Trials (R61/R33 Clinical Trial Required)

> Federal funding opportunity · **POSTED** · National Institutes of Health · close: **11/02/2028**

## Key facts

- **Opportunity ID:** 358850
- **Opportunity number:** PAR-27-011
- **Agency:** National Institutes of Health
- **Status:** posted
- **Document type:** synopsis
- **Open date:** 03/18/2026
- **Close date:** 11/02/2028
- **CFDA codes:** 93.840, 93.838, 93.233, 93.837, 93.839

## Primary source

Grants.gov opportunity detail: https://www.grants.gov/search-results-detail/358850

## Citation

> US Grants.gov, funding opportunity 358850 (PAR-27-011). Retrieved via AI Analytics 2026-07-04 from https://api.ai-analytics.org/opportunity/358850. Licensed CC0.

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