Funder: National Institutes of Health

Due Dates: June 16, 2025 (New) | July 16, 2025 (Renewal/Resubmission/Revision) | September 7, 2025 (AIDS) | October 16, 2025 (New) | November 16, 2025 (Renewal/Resubmission/Revision) | January 7, 2026 (AIDS) | Full schedule

Funding Amounts: Up to $150,000 direct costs for a 1-year project; single-year R03 mechanism.

Summary: Supports small, proof-of-concept brain imaging studies relevant to substance use disorders, open to both new and established investigators seeking to develop or adopt neuroimaging tools.

Key Information: Applications must focus on substance use disorder neurobiology and utilize brain imaging tools; alcohol-focused projects are not eligible.