Grant opportunity
Exploratory Clinical Neuroscience Research on Substance Use Disorders (R61/R33 Clinical Trial Optional)
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).
- Funder
- National Institutes of Health
- Applications close 2028-06-16
- Applications close 2028-06-16: Jun 16, 2028
- Award
- See official notice
- Applicant
- 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; For profit organizations other than small businesses; Independent school districts; Native American tribal organizations (other than Federally recognized tribal governments); Small businesses; Public and State controlled institutions of higher education; Public housing authorities/Indian housing authorities; State governments; Special district governments; Native American tribal governments (Federally recognized); City or township governments; Private institutions of higher education; County governments; Others (see text field entitled "Additional Information on Eligibility" for clarification)
- Discipline
- Health and Biomedical Sciences
- Region
- United States
- Posted
- Sep 7, 2026
Call summary
Overview
Exploratory Clinical Neuroscience Research on Substance Use Disorders (R61/R33 Clinical Trial Optional) is official opportunity PAR-27-053, published by National Institutes of Health during the 31 August-7 September 2026 hunt window.
Who can apply
Eligible applicant types listed by the agency: 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; For profit organizations other than small businesses; Independent school districts; Native American tribal organizations (other than Federally recognized tribal governments); Small businesses; Public and State controlled institutions of higher education; Public housing authorities/Indian housing authorities; State governments; Special district governments; Native American tribal governments (Federally recognized); City or township governments; Private institutions of higher education; County governments; Others (see text field entitled "Additional Information on Eligibility" for clarification). Applicants must also satisfy every programme-specific condition in the official notice.
What it supports
- 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).
- Opportunity number: PAR-27-053
Funding and duration
- Award ceiling: See official notice
Applications close 2028-06-16
Applications close 2028-06-16: Jun 16, 2028
How to apply
Open the official Grants.gov record, review the full notice and attachments, and use the application package or agency route stated there.
Call details
Source-based overview
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). The official record contains the controlling eligibility, budget, attachment and submission requirements for opportunity PAR-27-053.
Eligibility
Eligible applicant types listed by the agency: 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; For profit organizations other than small businesses; Independent school districts; Native American tribal organizations (other than Federally recognized tribal governments); Small businesses; Public and State controlled institutions of higher education; Public housing authorities/Indian housing authorities; State governments; Special district governments; Native American tribal governments (Federally recognized); City or township governments; Private institutions of higher education; County governments; Others (see text field entitled "Additional Information on Eligibility" for clarification). Applicants must also satisfy every programme-specific condition in the official notice.
Funding and benefits
Award ceiling: See official notice
Themes and supported activities
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).
Opportunity number: PAR-27-053
Deadline and timeline
Applications close 2028-06-16: Applications close 2028-06-16: Jun 16, 2028.
Applicants should confirm the exact deadline time, time zone, required documents, portal steps and any institutional approvals on the official call page before submitting.
How to apply
Open the official Grants.gov record, review the full notice and attachments, and use the application package or agency route stated there.
Before applying, check eligibility rules, budgets, attachments, page limits, partner requirements, cost-share conditions and whether the opportunity uses an expression of interest, full proposal, registration or nomination stage.