PAR-23-157: Exploratory Clinical Neuroscience Research on Substance Use Disorders (R61/R33 Clinical Trial Optional)
Closed
This grant is closed. A newer notice from the same program is open now: Exploratory Clinical Neuroscience Research on Substance Use Disorders (R61/R33 Clinical Trial Optional) (PAR-27-053). Status: Due dates in the notice, expires June 16, 2028. It is in our archive of National Institutes of Health notices from 2023.
National Institutes of Health offered grants to nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses. Applications closed on May 23, 2025.
From the official notice on Grants.gov, last changed May 15, 2025. Checked November 7, 2026.
- Award amountsNot given on Grants.gov
- Cost sharingNot required
- Funding typeGrant
About this NIH notice
- R61, Exploratory/Developmental Phase I. The first phase of a phased award. Moving on to the R33 phase depends on meeting agreed milestones. Other open R61 notices.
- R33, Exploratory/Developmental Grant Phase II. The second phase of a phased award, usually following an R61 or R21 phase. Other open R33 notices.
Application due dates, page limits and budget limits are set in the notice. Read PAR-23-157 in the NIH Guide.
Other notices with this title
| Notice | Posted | Deadline | Status |
|---|---|---|---|
| PAR-27-053 | August 31, 2026 | Due dates in the notice, expires June 16, 2028 | Open |
Key dates
| Posted | April 10, 2023 |
|---|---|
| Deadline | May 23, 2025 |
| Archived by Grants.gov | June 22, 2025 |
Who can apply
This opportunity was open to nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses.
All 15 applicant types the notice lists
- State governments
- County governments
- City or township governments
- Special district governments
- Independent school districts
- Public and State controlled institutions of higher education
- Native American tribal governments (Federally recognized)
- Public housing authorities/Indian housing authorities
- Native American tribal organizations (other than Federally recognized tribal governments)
- Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education
- Nonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher education
- Private institutions of higher education
- For profit organizations other than small businesses
- Small businesses
- Others (see text field entitled "Additional Information on Eligibility" for clarification)
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); Non-domestic (non-U.S.) Entities (Foreign Organizations); Regional Organizations; Tribally Controlled Colleges and Universities (TCCUs) ; U.S. Territory or Possession.
Is this a realistic fit?
- Most of the program's money (70% over five years) went to colleges and universities.
- No cost sharing or match is required.
What the grant funds
This Funding Opportunity Announcement (FOA) uses a R61/R33 Phased Innovation Award mechanism to support clinical research applications that are exploratory and developmental in nature and focus on understanding the neurobiological mechanisms underlying SUD, including fundamental brain function relevant to substance use. This FOA is particularly designed to support exploratory/developmental projects requiring budgets that would exceed that allowed for the R21 mechanism (Neuroscience Research on Drug Abuse (R21 Clinical Trial Optional)
Who has won Drug Use and Addiction Research Programs grants before
From fiscal 2021 to 2025, Drug Use and Addiction Research Programs (93.279) awarded $7.3 billion across 5,071 grant awards, an average of $1.4 million per award.
| Recipient | State | Awards | Amount |
|---|---|---|---|
| Yale Univ | Connecticut | 150 | $305 million |
| The Johns Hopkins University | Maryland | 156 | $262 million |
| University of California, San Diego | California | 120 | $242 million |
| University of Pittsburgh - of the Commonwealth System of Higher Education | Pennsylvania | 100 | $182 million |
| New York University | New York | 62 | $173 million |
Applying now
This notice no longer takes applications. Apply under the newer notice, PAR-27-053, which is open now.
The notice on Grants.gov keeps its full text and attachments, which is useful for planning a resubmission.
Questions people ask
Is PAR-23-157 still open?
No. It closed on May 23, 2025. A newer notice is open: PAR-27-053, due dates in the notice, expires June 16, 2028.
Who can apply for Exploratory Clinical Neuroscience Research on Substance Use Disorders (R61/R33 Clinical Trial Optional)?
National Institutes of Health accepted applications from nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses. The notice adds further conditions, so read its eligibility section.
What is the deadline for Exploratory Clinical Neuroscience Research on Substance Use Disorders (R61/R33 Clinical Trial Optional)?
Closed May 23, 2025. Applications are no longer accepted; the program's newer notices are on this page when there are any.
Who has won Drug Use and Addiction Research Programs grants before?
The largest recipients over five fiscal years were Yale Univ, The Johns Hopkins University, University of California, San Diego. The program made 5,071 awards worth $7.3 billion in that time.
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