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Exploratory Clinical Neuroscience Research on Substance Use Disorders (R61/R33 Clinical Trial Optional)

Agency: National Institutes of Health

Assistance Listings: 93.279 -- Drug Use and Addiction Research Programs

Last Updated: August 31, 2026
This notice of funding opportunity (NOFO) uses a R61/R33 Phased Innovation Award activity code to support clinical research applications that are exploratory and developmental in nature and focus on understanding the neurobiological mechanisms underlying substance use disorders (SUD), including fundamental circuitry and behavior relevant to substance use. For projects not requiring a phased research approach, applicants are encouraged to apply under a different funding activity code (e.g., PA-25-305 "Research Project Grant (Parent R01 Clinical Trial Required)" or its subsequent reissue).

Eligibility

Eligible applicants

Business

  • For-profit organizations other than small businesses
  • Small businesses

Education

  • Private institutions of higher education
  • Public and state institutions of higher education
  • Independent school districts

Government

  • Public and Indian housing authorities
  • Special district governments
  • City or township governments
  • State governments
  • Federally recognized Native American tribal governments
  • County governments

Miscellaneous

  • Other

Nonprofit

  • Nonprofits non-higher education without 501(c)(3)
  • Other Native American tribal organizations
  • Nonprofits non-higher education with 501(c)(3)

Additional information

Refer to Section III. Eligibility Information in the NOFO for additional information on eligibility.Foreign Organizations/International CollaborationsNon-domestic (non-U.S.) Entities (Foreign Organizations) are eligible to apply.Non-domestic (non-U.S.) components of U.S. Organizations are eligible to apply.Foreign components, as defined in the NIH Grants Policy Statement, are allowed.NIH will no longer issue awards (i.e., new, renewal, or non-competing continuation) to domestic or foreign entities that involve foreign subawards/subcontracts. All NIH-funded research involving foreign subawards/subcontracts must be submitted in response to a NOFO that is specifically designated for funded international collaborations. See NIH Grants Policy Statement 16.8 Collaborative International Research Awards.Applications involving foreign subawards/subcontracts submitted in response to this NOFO will be deemed noncompliant and will not be considered for funding. This policy applies to all monetary international collaborations resulting in foreign subawards/subcontracts, however, it does not preclude unfunded international collaborations or foreign components, funding for foreign consultants, or procurement of unique equipment or supplies from foreign vendors.

Grantor contact information

Description

Division of Neuroscience and Behavior (DNB) NIDA_DNB_BCNB_r61@nih.gov

Email

NIDA_DNB_BCNB_r61@nih.gov

NIDA_DNB_BCNB_r61@nih.gov

Documents

File nameDescriptionLast updated
PAR-27-053-Full-Announcement.html
PAR-27-053-Full-Announcement.html
Aug 31, 2026 03:47 PM UTC

Link to additional information

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Closing: June 16, 2028

Application process

This site is a work in progress. Go to www.grants.gov to apply, track application status, and subscribe to updates.

Award

$--

Program Funding

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Expected awards

$--

Award Minimum

$--

Award Maximum

Funding opportunity number:

PAR-27-053

Cost sharing or matching requirement:

No

Funding instrument type:

Grant

Opportunity Category:

Discretionary

Opportunity Category Explanation:

--

Category of Funding Activity:

Health

Category Explanation:

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History

Version:

1

Posted date:

August 31, 2026

Archive date:

August 15, 2028

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