Understanding the Early Development of the Immune System (R01 - Clinical Trial Not Allowed) | PAR 18 333

Opportunity Information: Apply for PAR 18 333

The National Institutes of Health (NIH) grant opportunity "Understanding the Early Development of the Immune System" (Funding Opportunity Number PAR-18-333) is an R01 research grant aimed at supporting basic and translational studies focused on how the immune system forms and matures at the very earliest stages of life. The central scientific interest is the period when the fetal and newborn immune system is being established, and how signals and exchanges between the mother and fetus influence that process. The announcement emphasizes both humoral communication (such as antibodies, cytokines, hormones, metabolites, and other soluble factors) and cellular communication (such as trafficking or interaction of immune cells, placental immune processes, and other cell-mediated pathways). The underlying goal is to generate clearer, mechanistic understanding of the maternal-fetal interface and early immune programming, including how these early-life events may shape immune development trajectories that matter later for health and disease.

This opportunity uses the NIH R01 mechanism, meaning it is intended for substantial, hypothesis-driven projects with a defined research plan and measurable aims. The FOA is explicitly labeled "Clinical Trial Not Allowed," which means applicants should not propose studies that meet NIH definitions of a clinical trial (for example, prospective assignment of human participants to an intervention to evaluate effects on health-related outcomes). Appropriate projects would generally include laboratory-based, observational human studies that do not involve intervention assignment, animal or model-system studies, and other mechanistic approaches that examine early immune development and maternal-fetal interactions without introducing a clinical intervention. The activity category is listed under Health, Income Security and Social Services, with CFDA number 93.865, reflecting its alignment with NIH biomedical research priorities.

Eligibility is broad across U.S.-based organizations and includes state, county, city/township, and special district governments; public and state-controlled institutions of higher education; private institutions of higher education; independent school districts; Native American tribal governments that are federally recognized; public housing authorities/Indian housing authorities; and tribal organizations that are not federally recognized. The FOA also allows nonprofits both with and without 501(c)(3) status (as long as they are not institutions of higher education), for-profit organizations (other than small businesses), and small businesses. The announcement further highlights a range of additional eligible applicant types, including 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, tribal governments that are not federally recognized, and U.S. territories or possessions.

At the same time, the FOA places strict limits on foreign involvement. While it mentions "Non-domestic (non-U.S.) Entities (Foreign Organizations)" in an eligibility list, it then clarifies that non-domestic (non-U.S.) entities or foreign institutions are not eligible to apply. In addition, non-domestic components of U.S. organizations are not eligible, and foreign components (as defined in the NIH Grants Policy Statement) are not allowed. In practical terms, the applicant organization must be domestic, and the work proposed under the award must not include foreign components as part of the project structure.

Key administrative details included in the source information are that the agency is the National Institutes of Health, the opportunity category is discretionary, and the funding instrument type is a grant. The original closing date listed is December 5, 2019, and the record creation date is October 25, 2017. An award ceiling of $300,000 is provided in the source data, which suggests an upper bound on funding under certain budgeting assumptions, although NIH awards can be influenced by institute-specific policies, project scope, and the final negotiated budget. The expected number of awards is not specified in the provided text.

Overall, this FOA is geared toward researchers seeking to explain, at a mechanistic level, how immune development begins and how maternal biology and the maternal-fetal environment shape that development. Competitive applications would typically be expected to articulate a clear biological rationale, identify the relevant early developmental window or maternal-fetal process being studied, and use rigorous methods capable of linking maternal-fetal communication pathways to measurable features of immune maturation, all while staying firmly outside the clinical trial category.

• The National Institutes of Health in the health, income security and social services sector is offering a public funding opportunity titled "Understanding the Early Development of the Immune System (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): 93.865.
• This funding opportunity was created on 2017-10-25.
• Applicants must submit their applications by 2019-12-05. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• Each selected applicant is eligible to receive up to $300,000.00 in funding.
• 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 18 333

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