Opportunity Information: Apply for RFA MH 22 136
The National Institutes of Health (NIH) announced a discretionary grant opportunity titled "Social disconnection and Suicide Risk in Late Life (R21 Clinical Trial Optional)" (Funding Opportunity Number RFA-MH-22-136). It is designed to support early-stage, exploratory research on how social disconnection contributes to suicide risk among older adults. In this context, social disconnection is defined broadly to include both objective social isolation (for example, small social networks, infrequent contact, living alone, limited community participation) and perceived social isolation, commonly described as loneliness. The central goal is to generate actionable knowledge about why and how these social conditions elevate the risk for suicidal thoughts and behaviors in late life, and to use that knowledge to shape practical prevention strategies.
A major emphasis of the opportunity is on identifying mechanisms that connect social isolation and loneliness to suicidal outcomes in older adults. Applicants are encouraged to examine neurobiological pathways (such as stress physiology, inflammatory processes, neural circuitry related to threat, reward, and social pain, sleep and circadian disruption, cognitive and affective changes, or other brain-based markers) as well as environmental and contextual drivers (including bereavement, caregiving strain, retirement-related transitions, disability and mobility limitations, chronic illness, socioeconomic stress, neighborhood and housing factors, and barriers to accessing supportive services). The intent is not only to document that isolation and loneliness are associated with suicide risk, but to clarify the specific pathways through which they translate into suicidal thinking, increased capability for self-harm, or progression to suicidal behavior in later life.
The funding opportunity also highlights an experimental therapeutics approach, meaning studies should aim to identify specific, measurable targets and then develop or refine interventions that engage those targets in a way that can be tested. This could include pilot work to determine whether an intervention changes a hypothesized mechanism (for instance, reducing loneliness-related distress reactivity, improving social reward responsiveness, strengthening perceived belonging, or reducing thwarted connectedness), and whether those changes plausibly reduce suicidal ideation or related proximal outcomes. Because the announcement is "clinical trial optional," applicants may propose projects that include clinical trials as well as projects that do not, depending on what best fits the research question. This flexibility supports a range of projects, from mechanistic and measurement-focused studies to early intervention development and testing.
Another key focus is on service delivery: developing new models or modifying existing systems to better create and sustain social connection for older adults in ways that can prevent suicide. This can include community-based approaches, healthcare-embedded models, partnerships between aging services and mental health providers, and strategies tailored to real-world constraints such as transportation issues, digital access gaps, stigma, workforce shortages, and fragmented care. The emphasis on service delivery recognizes that even strong interventions may fail to reduce suicide risk if they cannot be delivered consistently, equitably, and at scale in the settings where older adults live and receive care.
From an administrative standpoint, this is an NIH grant using the R21 mechanism, which typically supports exploratory and developmental research intended to produce preliminary data, establish feasibility, or open new lines of investigation rather than fund large definitive trials. The listed award ceiling is $275,000, and the original closing date was October 15, 2022. The opportunity falls under the health funding activity category and is associated with CFDA numbers 93.242 and 93.866. The sponsoring agency is NIH, and the program is framed around suicide prevention in late life through the lens of social connection as both a risk and protective factor.
Eligibility is broad and includes many types of organizations that can contribute to aging, mental health, neuroscience, public health, and service delivery research. Eligible applicants include state, county, and local governments; 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; Native American tribal organizations not federally recognized; public housing authorities and Indian housing authorities; nonprofits with and without 501(c)(3) status (excluding higher education institutions under those categories); for-profit organizations other than small businesses; small businesses; and other applicants. The opportunity also explicitly highlights additional eligible entities such as Alaska Native and Native Hawaiian Serving Institutions; Asian American, Native American, and 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; tribal governments other than federally recognized ones; and non-U.S. (foreign) organizations. This wide eligibility aligns with the program's practical focus on social connection, which often depends on community infrastructure, culturally grounded approaches, and cross-sector partnerships.
Overall, the opportunity is aimed at advancing the science of late-life suicide prevention by moving beyond general correlations and toward a clearer understanding of mechanisms and implementable solutions. Projects that are likely to fit well are those that connect social isolation and loneliness to well-defined biological or environmental pathways, test whether changing those pathways reduces near-term suicide risk indicators, and propose delivery models that could realistically improve social connection for older adults in the places they already seek help or support.Apply for RFA MH 22 136
- The National Institutes of Health in the health sector is offering a public funding opportunity titled "Social disconnection and Suicide Risk in Late Life (R21 Clinical Trial Optional)" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.242, 93.866.
- This funding opportunity was created on 2021-12-23.
- Applicants must submit their applications by 2022-10-15. (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 $275,000.00 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 this NIH funding opportunity?
This is a discretionary NIH grant opportunity titled "Social disconnection and Suicide Risk in Late Life (R21 Clinical Trial Optional)" with Funding Opportunity Number RFA-MH-22-136. It supports early-stage, exploratory research focused on how social disconnection contributes to suicide risk among older adults, with an emphasis on generating practical, actionable knowledge for prevention.
What is the main purpose of the program?
The central goal is to move beyond documenting that social isolation and loneliness are linked to suicide risk and instead clarify why and how these social conditions elevate risk in late life. The intent is to use that understanding to inform practical suicide prevention strategies for older adults.
Who is the target population for the research?
The opportunity is focused on older adults (late life) and suicide-related outcomes in that population, including suicidal thoughts and behaviors.
How does the opportunity define "social disconnection"?
Social disconnection is defined broadly and includes:
- Objective social isolation (for example, small social networks, infrequent contact, living alone, limited community participation)
- Perceived social isolation, commonly described as loneliness
What kinds of research questions fit this opportunity best?
Projects are likely to fit well if they connect social isolation and/or loneliness to well-defined mechanisms that increase suicide risk in older adults, and if they point toward implementable prevention strategies. Strong fit areas include mechanistic studies, measurement-focused work, early intervention development, and early testing that informs future larger studies.
What is meant by "mechanisms" in this announcement?
"Mechanisms" refers to the specific pathways that explain how social isolation and loneliness translate into outcomes like suicidal thinking, increased capability for self-harm, or progression to suicidal behavior in later life. The opportunity encourages applicants to identify and study these pathways rather than only reporting associations.
What neurobiological pathways are encouraged as potential mechanisms?
The announcement encourages examination of neurobiological pathways such as:
- Stress physiology
- Inflammatory processes
- Neural circuitry related to threat, reward, and social pain
- Sleep and circadian disruption
- Cognitive and affective changes
- Other brain-based markers
What environmental or contextual drivers are encouraged as potential mechanisms?
The opportunity also highlights environmental and contextual drivers that can contribute to social disconnection and suicide risk, including:
- Bereavement
- Caregiving strain
- Retirement-related transitions
- Disability and mobility limitations
- Chronic illness
- Socioeconomic stress
- Neighborhood and housing factors
- Barriers to accessing supportive services
Does NIH want projects that only show isolation is "associated with" suicide risk?
No. The intent is not simply to confirm correlations. Applicants are encouraged to clarify specific pathways through which isolation and loneliness contribute to suicidal outcomes, including how they may lead to suicidal thinking, increase capability for self-harm, or contribute to progression toward suicidal behavior.
What does "experimental therapeutics approach" mean in this context?
In this funding opportunity, an experimental therapeutics approach means studies should aim to:
- Identify specific, measurable targets (mechanisms or processes hypothesized to drive risk)
- Develop or refine interventions that engage those targets
- Test whether target engagement occurs and whether it plausibly reduces suicidal ideation or related near-term outcomes
What are examples of measurable targets that an intervention might aim to change?
Examples mentioned include targets such as:
- Reducing loneliness-related distress reactivity
- Improving social reward responsiveness
- Strengthening perceived belonging
- Reducing thwarted connectedness
Are clinical trials required?
No. The opportunity is labeled "Clinical Trial Optional", meaning applicants may propose projects that include a clinical trial or projects that do not. The choice should match the research question and stage of development.
What types of studies are possible if a project does not include a clinical trial?
Based on the description, non-trial projects could include mechanistic studies, measurement and marker development, and other exploratory research designed to clarify pathways linking social disconnection to late-life suicide risk.
What kinds of intervention work does this opportunity support?
The announcement supports early intervention development and refinement, including pilot work that tests whether an intervention changes a hypothesized mechanism and whether that change plausibly reduces suicidal ideation or related proximal outcomes.
Why is service delivery emphasized in this opportunity?
The opportunity highlights that even effective interventions may not reduce suicide risk if they cannot be delivered consistently and equitably in real-world settings. Service delivery is emphasized to help develop or modify models that can create and sustain social connection for older adults at scale.
What are examples of service delivery models encouraged by the opportunity?
Examples described include:
- Community-based approaches
- Healthcare-embedded models
- Partnerships between aging services and mental health providers
- Strategies designed around real-world delivery constraints
What real-world constraints should service delivery approaches consider?
The opportunity specifically notes constraints such as:
- Transportation issues
- Digital access gaps
- Stigma
- Workforce shortages
- Fragmented care
What grant mechanism is used, and what does that imply?
This opportunity uses the NIH R21 mechanism, which typically supports exploratory and developmental research. R21 awards are generally intended to produce preliminary data, establish feasibility, or open new lines of investigation rather than fund large, definitive trials.
What is the funding ceiling for this opportunity?
The listed award ceiling is $275,000.
What was the original closing date for applications?
The original closing date listed is October 15, 2022.
Which agency sponsors this grant opportunity?
The sponsoring agency is the National Institutes of Health (NIH).
What is the funding activity category?
The opportunity falls under the health funding activity category.
Which CFDA numbers are associated with this opportunity?
The opportunity is associated with CFDA numbers 93.242 and 93.866.
Who is eligible to apply?
Eligibility is broad and includes many organization types, such as:
- State, county, and local governments
- 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
- Native American tribal organizations not federally recognized
- Public housing authorities and Indian housing authorities
- Nonprofits with and without 501(c)(3) status (excluding higher education institutions under those categories)
- For-profit organizations other than small businesses
- Small businesses
- Other applicants
Are minority-serving institutions and community-based organizations eligible?
Yes. The opportunity explicitly highlights eligibility for entities such as Alaska Native and Native Hawaiian Serving Institutions; AANAPISIs; Hispanic-serving Institutions; HBCUs; TCCUs; as well as faith-based or community-based organizations.
Are U.S. territories or non-U.S. organizations eligible?
Yes. The announcement explicitly mentions eligibility for U.S. territories or possessions and also includes non-U.S. (foreign) organizations among eligible applicants.
What types of partnerships or cross-sector work align with the program?
The program description points to cross-sector collaboration as a good fit, especially partnerships that connect aging services, community infrastructure, and mental health providers to improve social connection and reduce suicide risk in settings where older adults live and receive care.
What outcomes or endpoints are relevant to this opportunity?
The announcement emphasizes outcomes related to suicide risk in late life, including pathways leading to suicidal thoughts, increased capability for self-harm, and progression to suicidal behavior. It also references reducing suicidal ideation or related proximal outcomes as targets for early-stage testing.
What is the overall theme of the opportunity?
The overall theme is late-life suicide prevention through the lens of social connection, treating social isolation and loneliness as both risk-related conditions and potential intervention points, with an emphasis on mechanisms and real-world implementation.
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