Opportunity Information: Apply for PAR 27 057
The NIH funding opportunity PAR 27-057, titled "Causal Hypotheses on the Oral-Systemic Health Impacts of Human Behaviors among People with Chronic Conditions (U01 Clinical Trial Not Allowed)," supports research aimed at explaining why certain human behaviors occur and how those behaviors affect both oral health and overall (systemic) health in people who already live with chronic conditions. The central purpose is to generate actionable knowledge that can improve health, extend life, and reduce illness and disability by identifying the causal pathways linking behavior to oral-systemic outcomes. Rather than only describing associations, the emphasis is on developing and testing causal hypotheses that clarify what triggers behaviors and how those behaviors, in turn, produce oral and systemic consequences, including effects that may be immediate, indirect, or occur downstream over time.
The NOFO encourages projects that investigate a wide range of possible causes and mechanisms behind behavior and health outcomes. Applicants can focus on biological or congenital influences, biopsychosocial drivers, environmental conditions, interpersonal and social dynamics, neurological and psychological factors, and the role of comorbidities. A key feature is the flexibility to propose causal models where these drivers operate alone, in sequence, or in combination, acknowledging that real-world behavior and chronic disease management often involve multiple interacting factors. The work can also address distal impacts, meaning the research can trace longer causal chains where an upstream determinant affects behavior, which then influences oral health, which then contributes to systemic outcomes (or vice versa), so long as the proposed pathway is clearly reasoned and testable.
In addition to studies that directly test well-defined causal hypotheses, the NOFO explicitly welcomes applications that aim to develop or refine causal hypotheses. That makes room for innovative conceptual and methodological work that strengthens causal explanations, clarifies mechanisms, and improves the precision of future research questions. The overall orientation fits research that tries to move a field from "what is correlated with what" toward "what causes what, through which mechanisms, under what conditions, and for whom," specifically in populations managing chronic illnesses where behavior and oral-systemic links may be especially important.
This is a cooperative agreement (U01), meaning NIH expects substantial scientific or programmatic involvement during the project compared with more investigator-initiated mechanisms. The opportunity is categorized under Health (Assistance Listing/CFDA 93.121). Clinical trials are not allowed under this NOFO, so proposed work must be structured accordingly (for example, mechanistic, observational, computational, secondary data analyses, or other designs that do not meet NIH’s definition of a clinical trial).
Eligibility is broad across many U.S.-based organization types. 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 and other tribal organizations; public housing authorities/Indian housing authorities; nonprofits with or without 501(c)(3) status (other than institutions of higher education); for-profit organizations other than small businesses; small businesses; and other eligible entities as described in the NOFO. Foreign participation is restricted: non-U.S. (non-domestic) organizations are not eligible to apply, non-U.S. components of U.S. organizations are not eligible, and foreign components (as defined by the NIH Grants Policy Statement) are not allowed. Applicants are directed to Section III of the NOFO for full eligibility details and any additional conditions.
Key administrative details include an original closing date of 2029-07-05, a stated award ceiling of $500,000, and the listing of expected awards not specified in the provided source snippet. The NOFO record shows a creation date of 2026-06-04. In practical terms, this opportunity is designed for teams that can propose strong, testable causal frameworks explaining how and why behaviors arise in people with chronic conditions and how those behaviors influence interconnected oral and systemic health outcomes, with the goal of producing insights that can ultimately reduce disease burden and improve longevity.Apply for PAR 27 057
- The National Institutes of Health in the health sector is offering a public funding opportunity titled "Causal Hypotheses on the Oral-Systemic Health Impacts of Human Behaviors among People with Chronic Conditions (U01 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): 93.121.
- This funding opportunity was created on 2026-06-04.
- Applicants must submit their applications by 2029-07-05.
- Each selected applicant is eligible to receive up to $500,000.00 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.
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Frequently Asked Questions (FAQs)
What is the funding opportunity PAR 27-057 about?
PAR 27-057 is an NIH funding opportunity titled "Causal Hypotheses on the Oral-Systemic Health Impacts of Human Behaviors among People with Chronic Conditions (U01 Clinical Trial Not Allowed)." It supports research that explains why certain human behaviors occur in people living with chronic conditions and how those behaviors affect both oral health and overall (systemic) health.
What is the main goal of this NIH opportunity?
The main goal is to generate actionable knowledge that can improve health, extend life, and reduce illness and disability by identifying causal pathways linking human behavior to oral and systemic health outcomes in populations with chronic conditions.
How is this opportunity different from studies that only report associations?
This opportunity emphasizes causal hypotheses rather than simple associations. Projects should move beyond "what is correlated with what" to address "what causes what, through which mechanisms, under what conditions, and for whom," especially in the context of chronic illness and oral-systemic connections.
Who is the target population for the research?
The focus is on people who already live with chronic conditions. Proposed causal pathways should connect behaviors to oral health and systemic health outcomes within these populations.
What kinds of behaviors are meant by "human behaviors" in this NOFO?
The provided information describes a broad focus on human behaviors relevant to people with chronic conditions and their oral-systemic health impacts. The NOFO is oriented toward understanding what triggers behaviors and how those behaviors lead to oral and systemic consequences, including downstream effects over time.
What does "oral-systemic health impacts" mean in the context of this grant?
It refers to the interconnected impacts between oral health outcomes and overall systemic health outcomes. The NOFO supports research that clarifies how behaviors influence oral health and how oral health may contribute to systemic outcomes (and potentially vice versa), including indirect and downstream effects.
What types of causal pathways does NIH want applicants to study?
NIH is looking for clearly reasoned, testable causal pathways that link determinants (upstream drivers), behaviors, oral health outcomes, and systemic outcomes. The pathway may involve immediate effects, indirect effects, or downstream effects that unfold over time.
Are projects required to test a fully formed causal hypothesis?
No. In addition to studies that directly test well-defined causal hypotheses, the NOFO explicitly welcomes applications that aim to develop or refine causal hypotheses. This supports innovative conceptual and methodological work that improves causal explanations and sharpens future research questions.
What kinds of drivers or mechanisms can be included in proposed causal models?
The NOFO encourages investigation of a wide range of possible causes and mechanisms, including biological or congenital influences, biopsychosocial drivers, environmental conditions, interpersonal and social dynamics, neurological and psychological factors, and the role of comorbidities.
Can a proposed model include multiple interacting factors?
Yes. A key feature described in the opportunity is flexibility to propose causal models where drivers operate alone, in sequence, or in combination, recognizing that real-world behavior and chronic disease management often involve multiple interacting factors.
What are "distal impacts," and are they allowed in this NOFO?
"Distal impacts" refer to longer causal chains where an upstream determinant affects behavior, which then influences oral health, which then contributes to systemic outcomes (or the pathway could be framed in the other direction). These longer chains are allowed as long as the pathway is clearly reasoned and testable.
What funding mechanism is used for this opportunity?
This is a cooperative agreement (U01). Compared with more investigator-initiated mechanisms, NIH expects substantial scientific or programmatic involvement during the project.
What does it mean that this is a cooperative agreement (U01)?
It means NIH anticipates having substantial involvement in the project’s scientific or programmatic aspects during the award period, beyond what is typical for standard investigator-initiated grants.
Are clinical trials allowed under PAR 27-057?
No. The NOFO is explicitly labeled "Clinical Trial Not Allowed," so proposed research must be structured in a way that does not meet NIH’s definition of a clinical trial.
If clinical trials are not allowed, what kinds of study approaches are appropriate?
The provided description indicates the work must be structured accordingly and gives examples such as mechanistic studies, observational studies, computational work, and secondary data analyses, or other designs that do not meet NIH’s definition of a clinical trial.
What is the Assistance Listing (CFDA) number for this opportunity?
The opportunity is categorized under Health with Assistance Listing/CFDA number 93.121.
Who is eligible to apply?
Eligibility is broad across many U.S.-based organization types, including various government entities, institutions of higher education (public and private), tribal governments and tribal organizations, public housing authorities/Indian housing authorities, nonprofits (with or without 501(c)(3) status, other than institutions of higher education), for-profit organizations other than small businesses, small businesses, and other eligible entities as described in the NOFO.
Are U.S. state and local governments eligible?
Yes. Eligible applicants include state, county, city, township, and special district governments, as well as independent school districts.
Are colleges and universities eligible to apply?
Yes. Both public/state-controlled institutions of higher education and private institutions of higher education are listed as eligible.
Are tribal entities eligible to apply?
Yes. Federally recognized Native American tribal governments and other tribal organizations are listed among eligible applicants.
Are nonprofits eligible to apply?
Yes. Nonprofits with or without 501(c)(3) status (other than institutions of higher education) are listed as eligible.
Are for-profit organizations eligible to apply?
Yes. For-profit organizations other than small businesses are eligible, and small businesses are also listed as eligible applicants.
Can foreign organizations apply?
No. Non-U.S. (non-domestic) organizations are not eligible to apply.
Can a U.S. organization include a non-U.S. component?
No. Non-U.S. components of U.S. organizations are not eligible, and foreign components (as defined by the NIH Grants Policy Statement) are not allowed.
Where should applicants look for the full eligibility rules and any additional conditions?
Applicants are directed to Section III of the NOFO for full eligibility details and any additional conditions.
What is the closing date for this opportunity?
The provided information lists an original closing date of 2029-07-05.
What is the award ceiling for PAR 27-057?
The provided information lists a stated award ceiling of $500,000.
How many awards does NIH expect to make?
The expected number of awards is not specified in the provided source snippet.
When was the NOFO record created?
The NOFO record shows a creation date of 2026-06-04.
What kind of impact is NIH ultimately looking for from funded projects?
The opportunity is designed to produce insights that can ultimately reduce disease burden and improve longevity by clarifying causal mechanisms linking behaviors to oral and systemic health outcomes in people living with chronic illnesses.
What is the core scientific emphasis applicants should keep in mind?
The core emphasis is on strong, testable causal frameworks explaining (1) what triggers behaviors in people with chronic conditions and (2) how those behaviors produce oral and systemic health consequences, including indirect and downstream effects over time.
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