Selective Cell and Network Vulnerability in Aging and Alzheimers Disease (R01 - Clinical Trial Not Allowed) | PAR 18 706

Opportunity Information: Apply for PAR 18 706

The National Institutes of Health (NIH) funding opportunity announcement PAR-18-706, titled "Selective Cell and Network Vulnerability in Aging and Alzheimers Disease (R01 - Clinical Trial Not Allowed)," supports research projects that aim to pinpoint which specific brain cell types, neural circuits, and larger-scale brain networks are especially susceptible to normal brain aging and to Alzheimers disease (AD). The central idea is that AD does not affect the brain uniformly; instead, certain cells and connections break down earlier or more severely than others. This FOA is designed to fund studies that carefully define and characterize those vulnerable elements, from the level of individual neural cell populations up through connected circuits and distributed brain regions and networks, in order to clarify how the disease starts, spreads, and ultimately disrupts cognition and function.

A major focus of the opportunity is the concept of "selective vulnerability," meaning that particular neurons, glial cell subtypes, synapses, pathways, or network hubs may have intrinsic properties that make them more likely to be damaged by aging-related changes or AD-related pathology. By identifying the biological and systems-level mechanisms behind this selective vulnerability, funded projects are expected to strengthen the field's understanding of the full AD disease process rather than treating it as a single, uniform condition. The long-term motivation is practical as well as scientific: if researchers can determine why certain cells or circuits fail first, that knowledge can guide the development of therapies that protect the most at-risk components of the brain, intervene earlier, or target the specific pathways driving degeneration and network failure.

The mechanism used is the NIH R01 grant, which is a standard research project grant intended for discrete, hypothesis-driven or milestone-driven research programs with clearly defined aims. The FOA is explicitly labeled "Clinical Trial Not Allowed," which means applications should not propose clinical trials as defined by NIH (for example, prospective assignment of human participants to an intervention to evaluate effects on health-related outcomes). Projects may still involve human data or specimens in ways that are not considered clinical trials, such as analyses of existing datasets, observational studies, studies using postmortem tissue, or biomarker and imaging research that does not assign an intervention. The emphasis remains on mechanistic and characterization work that advances understanding of vulnerability across biological scales.

In terms of applicant eligibility, the opportunity is broad and inclusive, reflecting NIH's typical openness to a wide range of research-performing organizations. Eligible applicants include federal, state, county, and local governmental entities; public and private institutions of higher education; independent school districts; special district governments; and public housing authorities/Indian housing authorities. It also includes nonprofit organizations both with and without 501(c)(3) status (as long as they are not institutions of higher education in those categories), as well as for-profit organizations (other than small businesses) and small businesses. The announcement also highlights additional eligible applicants and institution types, including Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISI), Hispanic-serving Institutions, Historically Black Colleges and Universities (HBCUs), Tribally Controlled Colleges and Universities (TCCUs), and tribal governments or tribal organizations including those other than federally recognized entities. Faith-based or community-based organizations are also noted as eligible, along with regional organizations and U.S. territories or possessions. Importantly, non-domestic (non-U.S.) entities (foreign organizations) are included, which opens the door for international research teams to apply when appropriate.

From an administrative standpoint, this is a discretionary grant program in the health funding activity category, listed under CFDA number 93.866, and administered by the NIH. The FOA was created on March 6, 2018, and the original closing date listed is November 5, 2019. The source information provided does not specify an award ceiling or the expected number of awards, which typically means applicants would need to consult NIH budget guidelines for R01s and any FOA-specific details (or the NIH Guide notice history) to understand typical budget expectations, project periods, and submission cycles connected to this announcement.

Overall, this opportunity is aimed at advancing a more precise map of where and why the aging and AD brain breaks down, moving from descriptive observations toward clear characterization of the vulnerable cell types and the circuits and networks that fail as the disease progresses. By supporting research that bridges cellular neuroscience with circuit and network-level understanding, the FOA is positioned to help the field connect molecular and cellular pathology to the functional disconnection and cognitive decline seen in Alzheimers disease, with the broader goal of enabling more targeted and effective therapeutic strategies.

• The National Institutes of Health in the health sector is offering a public funding opportunity titled "Selective Cell and Network Vulnerability in Aging and Alzheimers Disease (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): 93.866.
• This funding opportunity was created on 2018-03-06.
• Applicants must submit their applications by 2019-11-05. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• 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 PAR 18 706

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