Opportunity Information: Apply for PA 25 123
The National Institutes of Health (NIH) is offering a discretionary grant opportunity titled "Epidemiologic Research on Emerging Risk Factors and Liver Cancer Susceptibility (R21 Clinical Trial Not Allowed)" under Funding Opportunity Number PA 25 123 (CFDA 93.393). The goal of this announcement is to support early-stage, innovative epidemiologic studies that test new hypotheses about what is driving liver cancer risk in the United States, with a clear emphasis on emerging risk factors and how they may interact with well-established causes such as viral hepatitis. The FOA focuses on liver cancer broadly, including hepatocellular carcinoma as well as other histologic subtypes, and it is designed to stimulate creative, hypothesis-driven research that can open up new directions for prevention and risk stratification.
At its core, this opportunity is aimed at epidemiology, meaning studies that use population-based data, cohorts, registries, biospecimens linked to health data, or other human data resources to understand patterns, causes, and susceptibility. NIH is specifically encouraging research on emerging biological, environmental, and social risk factors. That can include newer or rapidly changing exposures (for example, shifts in metabolic health and obesity-related pathways, evolving environmental contaminants, changing patterns of medication or substance use, or social and structural determinants that influence exposure, diagnosis, and outcomes). A central theme is interplay: applicants are encouraged to look at how these newer factors combine with established risks like chronic hepatitis B or C infection, potentially altering risk levels, changing disease trajectories, or creating distinct high-risk subgroups that could be targeted for screening or prevention.
The mechanism is an R21, which is NIH's exploratory/developmental grant format. In practical terms, that signals support for projects that are novel, potentially high-impact, and may be earlier in development than a larger, longer R01-style project. These projects often prioritize proof-of-concept analyses, development of new epidemiologic approaches, or testing of innovative hypotheses that can justify larger follow-on studies. The listing also clearly states "Clinical Trial Not Allowed," which means proposals should not include prospective interventional studies where participants are assigned to receive a treatment or behavioral intervention to evaluate health outcomes. Observational epidemiologic research is the intended fit, including analyses of existing data or biospecimens, population-based observational designs, and other non-interventional human research approaches.
Eligibility is broad and includes many types of U.S. organizations and governmental units. Eligible applicants include state, county, city, township, and special district governments; independent school districts; public and state-controlled institutions of higher education; private institutions of higher education; federally recognized Native American tribal governments; tribal organizations that are not federally recognized governments; public housing authorities and Indian housing authorities; nonprofits with or 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. In addition, NIH explicitly notes several other eligible applicant categories, such as Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISISs), Hispanic-serving Institutions, Historically Black Colleges and Universities (HBCUs), Tribally Controlled Colleges and Universities (TCCUs), faith-based or community-based organizations, eligible federal agencies, U.S. territories or possessions, regional organizations, and even non-U.S. entities (foreign organizations). This broad eligibility creates room for academic, public health, community, and cross-sector groups to propose studies that reflect diverse populations and real-world exposure contexts.
Key administrative details provided include an original closing date of 2025-05-07 and a creation date of 2024-10-10. The source information does not list an award ceiling or the expected number of awards, so applicants would typically confirm budget limits and award expectations by consulting the full FOA text and related NIH policy pages. Overall, the opportunity is best suited for teams with access to relevant population data or specimens and a strong epidemiologic plan to examine emerging liver cancer risk drivers in the U.S., especially studies that can clarify who is most susceptible and why, and that can lay groundwork for improved prevention, early detection strategies, or future larger-scale investigations.Apply for PA 25 123
- The National Institutes of Health in the education, health sector is offering a public funding opportunity titled "Epidemiologic Research on Emerging Risk Factors and Liver Cancer Susceptibility (R21 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): 93.393.
- This funding opportunity was created on 2024-10-10.
- Applicants must submit their applications by 2025-05-07. (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.
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| Funding Opportunity |
|---|
| Epidemiologic Research on Emerging Risk Factors and Liver Cancer Susceptibility (R01 Clinical Trial Not Allowed) Apply for PA 25 121 Funding Number: PA 25 121 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Limited Competition: NCI National Clinical Trials Network - Network Group Operations Centers (U10 Clinical Trial Required) Apply for RFA CA 24 030 Funding Number: RFA CA 24 030 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Revision Applications for Validation of Biomarker Assays Developed Through NIH-Supported Research Grants (R01 Clinical Trial Not Allowed) Apply for PAR 24 304 Funding Number: PAR 24 304 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| NCI National Clinical Trials Network - Network Lead Academic Participating Sites (UG1 Clinical Trial Not Allowed) Apply for RFA CA 24 033 Funding Number: RFA CA 24 033 Agency: National Institutes of Health Category: Education, Health Funding Amount: $1,700,000 |
| Single Source: NCI National Clinical Trials Network - Canadian Collaborating Clinical Trials Network (U10 Clinical Trial Required) Apply for RFA CA 24 032 Funding Number: RFA CA 24 032 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Interventions to expand cancer screening and preventive services to ADVANCE health in populations that experience health disparities (R01, Clinical Trial Required) Apply for PAR 25 098 Funding Number: PAR 25 098 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Assay Validation of High Quality Markers for Clinical Studies in Cancer (UH3 Clinical Trials Not Allowed) Apply for PAR 25 075 Funding Number: PAR 25 075 Agency: National Institutes of Health Category: Education, Health Funding Amount: $250,000 |
| Ending the Epidemic: New Models of Integrated HIV/AIDS, Addiction, and Primary Care Services (R34 Clinical Trial Optional) Apply for RFA DA 25 070 Funding Number: RFA DA 25 070 Agency: National Institutes of Health Category: Education, Health Funding Amount: $450,000 |
| Ending the Epidemic: New Models of Integrated HIV/AIDS, Addiction, and Primary Care Services (R01 Clinical Trial required) Apply for RFA DA 25 072 Funding Number: RFA DA 25 072 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Assay Validation of High Quality Markers for Clinical Studies in Cancer (UH2/UH3 Clinical Trial Not Allowed) Apply for PAR 25 074 Funding Number: PAR 25 074 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Screening, Brief Intervention and Referral to Treatment or Prevention (SBIRT/P) for alcohol, tobacco, and other drugs (ATOD) use and misuse in adult populations that experience health disparities (R01, Clinical Trial Required) Apply for PAR 26 001 Funding Number: PAR 26 001 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Co-infection and Cancer (R01 Clinical Trial Not Allowed) Apply for PAR 25 082 Funding Number: PAR 25 082 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| NCI Small Grants Program for Cancer Research (NCI Omnibus) (R03 Clinical Trial Optional) Apply for PAR 25 078 Funding Number: PAR 25 078 Agency: National Institutes of Health Category: Education, Health Funding Amount: $50,000 |
| The Metastasis Research Network (MetNet): MetNet Research Projects (U01 Clinical Trial Not Allowed) Apply for PAR 25 130 Funding Number: PAR 25 130 Agency: National Institutes of Health Category: Education, Health Funding Amount: $500,000 |
| Targeting Inflammasomes in HIV and Substance Use (R21 Clinical Trial Not Allowed) Apply for RFA DA 25 068 Funding Number: RFA DA 25 068 Agency: National Institutes of Health Category: Education, Health Funding Amount: $500,000 |
| Computational Approaches to Curation at Scale for Biomedical Research Assets (R01 Clinical Trial Not Allowed) Apply for PAR 25 131 Funding Number: PAR 25 131 Agency: National Institutes of Health Category: Education, Health Funding Amount: $250,000 |
| Targeting Inflammasomes in HIV and Substance Use (R01 Clinical Trial Not Allowed) Apply for RFA DA 25 069 Funding Number: RFA DA 25 069 Agency: National Institutes of Health Category: Education, Health Funding Amount: $500,000 |
| Biomedical Research Environment and Sponsored Programs Administration Development (BRE-SPAD) Program (UC2- Clinical Trial Not Allowed) Apply for PAR 24 268 Funding Number: PAR 24 268 Agency: National Institutes of Health Category: Education, Health Funding Amount: $500,000 |
| Mechanistic links between diet, lipid metabolism, and tumor growth and progression (UH2 Clinical Trial Not Allowed) Apply for PAR 25 118 Funding Number: PAR 25 118 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
| Enhancing Mechanistic Research on Precision Probiotic Therapies (R61/R33 Clinical Trial Optional) Apply for PAR 25 211 Funding Number: PAR 25 211 Agency: National Institutes of Health Category: Education, Health Funding Amount: Case Dependent |
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