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

HHS-NIH11 PAR-25-442
Posted: Jun 17, 2025 12:00:00 AM EDT
Closes: 02/17/2028

Description

The purpose of this Notice of Funding Opportunity (NOFO) is to solicit applications for exploratory and early-stage projects that focus on undruggable target classes within intractable human disease. Applicants will identify a human disease relevant undruggable target class and develop a method or agent that is selective for one or more targets within that target class. This NOFO is intended to jumpstart research that demonstrates innovative strategies to modulate targets that cannot be addressed by established therapeutic types, furthering the development of methods and/or agents selective for undruggable target classes.

Synopsis

The purpose of this Notice of Funding Opportunity (NOFO) is to solicit applications for exploratory and early-stage projects that focus on undruggable target classes within intractable human disease. Applicants will identify a human disease relevant undruggable target class and develop a method or agent that is selective for one or more targets within that target class. This NOFO is intended to jumpstart research that demonstrates innovative strategies to modulate targets that cannot be addressed by established therapeutic types, furthering the development of methods and/or agents selective for undruggable target classes.

Eligibility

Eligible Applicants:
Native American tribal governments (Federally recognized) Special district governments Public and State controlled institutions of higher education Native American tribal organizations (other than Federally recognized tribal governments) Others (see text field entitled "Additional Information on Eligibility" for clarification) State governments For profit organizations other than small businesses Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education Private institutions of higher education Nonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher education Small businesses City or township governments County governments Public housing authorities/Indian housing authorities Independent school districts
Other Eligible Applicants include the following: Alaska Native and Native Hawaiian Serving Institutions; Asian American Native American Pacific Islander Serving Institutions (AANAPISISs); Eligible Agencies of the Federal Government; Faith-based or Community-based Organizations; Hispanic-serving Institutions; Historically Black Colleges and Universities (HBCUs); Indian/Native American Tribal Governments (Other than Federally Recognized); Regional Organizations; Tribally Controlled Colleges and Universities (TCCUs) ; U.S. Territory or Possession; Non-domestic (non-U.S.) Entities (Foreign Organizations) are not eligible to apply.Non-domestic (non-U.S.) components of U.S. Organizations are not eligible to apply.Foreign components, as defined in the NIH Grants Policy Statement, are not allowed.

Funding Activity Categories

Health

CFDA Numbers

  • 93.121 - Oral Diseases and Disorders Research
  • 93.242 - Mental Health Research Grants
  • 93.350 - National Center for Advancing Translational Sciences
  • 93.855 - Allergy and Infectious Diseases Research
  • 93.865 - Child Health and Human Development Extramural Research
  • 93.867 - Vision Research

Contact Information

Agency: National Institutes of Health
Contact: National Institutes of Health
Phone: 301-402-2541
NIH Grants Information
grantsinfo@nih.gov

Additional Information

Document Type: synopsis
Opportunity Category: Discretionary
Version: 2
Last Updated: Jul 29, 2025 08:13:27 AM EDT

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