Pilot Effectiveness Trials for Treatment, Preventive and Services Interventions (R34 Clinical Trial Required) | PAR 21 131

Opportunity Information: Apply for PAR 21 131

The Pilot Effectiveness Trials for Treatment, Preventive and Services Interventions (R34 Clinical Trial Required) grant opportunity (Funding Opportunity Number PAR 21 131) is a National Institutes of Health program administered through the National Institute of Mental Health (NIMH). It supports early-stage, real-world clinical trial work designed to bridge the gap between interventions that look promising under controlled research conditions and interventions that actually work when delivered to broader populations and routine community settings. This announcement is a reissue of an earlier NIMH solicitation (RFA-MH-18-706) and sits within NIMH's clinical trials pipeline, meaning it is specifically meant to move interventions forward through a staged development and testing process.

The core purpose of this R34 is to fund pilot effectiveness trials, not large definitive effectiveness trials. In practical terms, it is aimed at generating strong preliminary evidence about whether an intervention can be effective under typical practice conditions, while also helping investigators work out the logistics and methods needed for a later, larger-scale study. NIMH emphasizes two main categories of projects: first, studies that optimize the effectiveness of preventive or therapeutic interventions that have already shown efficacy, but now need to be adapted or tested for broader target populations or in community practice environments; and second, projects that develop and conduct preliminary testing of innovative mental health services interventions, such as new service delivery models, care coordination approaches, or strategies that improve how people access, continue, or benefit from services.

A defining feature of this opportunity is its alignment with NIMH's experimental therapeutics approach. Applicants are expected to go beyond asking only "does it work?" and directly test whether the intervention engages the target(s) or mechanism(s) that are presumed to drive meaningful outcomes. That mechanism-focused requirement applies whether the project is centered on an individual-level preventive or treatment intervention or a services intervention aimed at systems, providers, and care processes. Examples of targets and mechanisms can include changes that plausibly explain improvements in clinical or functional outcomes for participants, changes in provider behavior that lead to better care, or improvements in access to services and continuity of care. The expectation is that a study will measure and evaluate those targets explicitly, so that results are informative even if clinical outcomes are mixed, and so that the field learns what components or pathways are actually being influenced.

This is a discretionary grant mechanism (Funding Instrument Type: Grant) in the health area (Funding Activity Category: Health) and is associated with CFDA number 93.242. It is labeled "Clinical Trial Required," which signals that the funded work must include a clinical trial as defined by NIH, rather than being purely observational or preclinical. The original closing date listed for this opportunity is 2024-10-15, indicating a scheduled due date for submission under this posting.

Eligibility is broad and intentionally inclusive to encourage participation from a wide range of institutions and community partners involved in mental health care and services. Eligible applicants include various levels of government (state, county, city/township, and special districts), independent school districts, public housing authorities and Indian housing authorities, public and state-controlled institutions of higher education, private institutions of higher education, and multiple categories of nonprofit organizations (with or without 501(c)(3) status). For-profit organizations (other than small businesses) and small businesses are also eligible, as are Native American tribal governments (federally recognized) and other tribal organizations. The announcement also highlights additional eligible applicant types 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, regional organizations, U.S. territories or possessions, certain tribal governments that are not federally recognized, eligible federal agencies, and even non-U.S. entities (foreign organizations), reinforcing that NIMH is open to diverse settings and applicants as long as the proposed research fits the program goals.

Overall, this FOA is best understood as support for carefully designed, mechanism-informed pilot clinical trials that test whether an intervention can retain or improve its impact when moved into broader, more typical real-world contexts, or that explore innovative approaches to delivering or organizing mental health services. The emphasis on measuring engagement of hypothesized mechanisms is meant to produce actionable findings about why an intervention succeeds or fails, while setting the stage for a more definitive effectiveness trial in the future.

• The National Institutes of Health in the health sector is offering a public funding opportunity titled "Pilot Effectiveness Trials for Treatment, Preventive and Services Interventions (R34 Clinical Trial Required)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.242.
• This funding opportunity was created on 2021-03-02.
• Applicants must submit their applications by 2024-10-15. (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 21 131

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