BRAIN Initiative: Development and Validation of Novel Tools to Probe Cell-Specific and Circuit-Specific Processes in the Brain (R01 Clinical Trial Not Allowed) | RFA MH 26 170

Opportunity Information: Apply for RFA MH 26 170

The National Institutes of Health is soliciting applications under the BRAIN Initiative for an R01 grant opportunity focused on creating and validating new neurotechnology tools that can probe the brain with strong cell-type and/or circuit-level specificity. The overarching goal is to enable more detailed analysis of complex neural circuits and to reveal how interactions among specific cell populations contribute to brain function. A central expectation is that proposed technologies will not only be invented or improved, but also rigorously validated so reviewers can clearly see how the tool works, what it measures or manipulates, and why it represents a meaningful advance over what is currently available. Clinical trials are not allowed under this announcement.

The scientific emphasis is on tool and technology development that either informs or exploits biological specificity at the level of cell types and/or defined circuits. NIH is particularly interested in approaches that can target or interrogate selected neuronal or non-neuronal populations with higher precision and sensitivity than established methods. This includes both genetic and non-genetic strategies, such as new ways to deliver genes, proteins, or chemicals to defined cells of interest, as well as other targeting approaches designed to home in on specific cell classes or circuit elements. Proposals are encouraged when they directly address and overcome major technical limitations in the field, meaning the program is looking for clear “breakthrough” capability improvements rather than incremental tweaks.

A notable preference in the announcement is for tools that are broadly usable across multiple species or model organisms. While single-species tools may still be relevant in some cases, the opportunity signals that generalizable platforms or methods that translate across experimental systems are particularly valued. In practical terms, competitive applications are expected to explain how the tool could be deployed in different models (where feasible), what would be required to adapt it, and how that breadth increases its impact for neuroscience research.

Validation is described as an essential feature of a successful application, which means applicants should plan for more than a proof-of-concept demonstration. Strong submissions typically lay out well-designed benchmarks for performance (for example, specificity, sensitivity, spatial and temporal resolution, durability, off-target effects, reproducibility, and compatibility with common experimental workflows). They also describe credible testbeds that show the technology produces actionable biological insight, not just a technical readout. The spirit of the program is that the field should be able to adopt the tool with confidence after the project, so plans for dissemination, usability, and potential standardization often matter even when not explicitly stated in the short synopsis.

This funding opportunity is listed as a discretionary grant mechanism (R01) under the NIH, with an original closing date of February 8, 2027, and it is identified by Funding Opportunity Number RFA-MH-26-170. It spans multiple CFDA listings associated with NIH neuroscience and mental health related programs (including, among others, 93.173, 93.213, 93.242, 93.273, 93.279, 93.286, 93.853, 93.865, 93.866, and 93.867), reflecting the cross-cutting nature of BRAIN Initiative tool development.

Eligibility is broad and includes many common applicant types such as public and private institutions of higher education, nonprofits (with or without 501(c)(3) status), for-profit organizations (other than small businesses), small businesses, and a wide range of government entities (state, county, city/township, special districts, independent school districts), as well as tribal governments and tribal organizations. The announcement also explicitly highlights additional eligible applicant categories such as Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISIs), Hispanic-serving Institutions, Historically Black Colleges and Universities (HBCUs), Tribally Controlled Colleges and Universities (TCCUs), faith-based or community-based organizations, eligible federal agencies, regional organizations, U.S. territories or possessions, and non-U.S. entities/foreign organizations. Overall, the opportunity is designed to attract a diverse pool of teams capable of advancing next-generation tools for cell- and circuit-specific neuroscience research, with a strong expectation that the resulting technologies will be validated and positioned for broad scientific use.

• The National Institutes of Health in the education, health, income security and social services sector is offering a public funding opportunity titled "BRAIN Initiative: Development and Validation of Novel Tools to Probe Cell-Specific and Circuit-Specific Processes in the Brain (R01 Clinical Trial Not Allowed)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.173, 93.213, 93.242, 93.273, 93.279, 93.286, 93.853, 93.865, 93.866, 93.867.
• This funding opportunity was created on 2024-11-15.
• Applicants must submit their applications by 2027-02-08.
• Eligible applicants include: 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.

Apply for RFA MH 26 170

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