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Posted opportunity — confirm at source

Enhancing Mechanistic Research on Precision Probiotic Therapies (R33 Clinical Trial Optional)

National Institutes of Health · PAR-25-210

Award range

See source for award amount

Deadline

2027-06-02-00-00-00

Confirm exact timezone in the announcement.
Eligible applicants

Others (see text field entitled "Additional Information on Eligibility" for clarification), Native American tribal governments (Federally recognized), Public and State controlled institutions of higher education, State governments, For profit organizations other than small businesses, Small businesses, Nonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher education, Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education, Private institutions of higher education, Special district governments, Public housing authorities/Indian housing authorities, City or township governments, County governments, Native American tribal organizations (other than Federally recognized tribal governments), Independent school districts

Geographic eligibility and all attachment-specific conditions require review of the original announcement.

Eligibility details

Other Eligible Applicants include the following: Alaska Native and Native Hawaiian Serving Institutions; Asian American Native American Pacific Islander Serving Institutions (AANAPISISs); Eligible Agencies of the Federal Government; Faith-based or Community-based Organizations; Hispanic-serving Institutions; Historically Black Colleges and Universities (HBCUs); Indian/Native American Tribal Governments (Other than Federally Recognized); Non-domestic (non-U.S.) Entities (Foreign Organizations); Regional Organizations; Tribally Controlled Colleges and Universities (TCCUs) ; U.S. Territory or Possession; Non-domestic (non-U.S.) Entities (Foreign Organizations) are not eligible to apply. Non-domestic (non-U.S.) components of U.S. Organizations are not eligible to apply. Foreign components, as defined in the NIH Grants Policy Statement, are allowed.

Matching funds & resources

Source matching-funds field: Not Required.

Matching funds and leveraged resources are different requirements. Read the description and reviewed rules below before determining resource commitments.

About this opportunity

The purpose of this notice of funding opportunity (NOFO) is to support highly innovative mechanistic research to accelerate precision probiotic interventions. Specifically, this NOFO solicits R33 applications that will characterize person-specific features affecting probiotic responses to identify subgroups of probiotic responders and to enhance probiotic clinical outcomes. The ultimate goal of this NOFO is to identify, understand, and develop strategies to address barriers in precision probiotic therapies to account for the heterogenicity in humans that causes inconsistent probiotic responses. This NOFO will support studies to assess the ability of the unique patterns of host biology (e.g., native microbiome, immune system, gender, diet, age, genetic background, lifestyle, and health history) that are correlated with probiotic usage to detect the improvement of probiotic responsiveness. Well-suited applications must offer rigorously designed mechanistic studies using relevant/innovative animal models or in human subjects. This NOFO is intended to support projects where potential host biological patterns that are correlated with probiotic usage have been identified, as demonstrated with supportive preliminary data, but require further mechanistic studies to test for their causality or predictability. Applicants pursuing early-stage research to identify host biological patterns that may affect probiotic health outcomes should consider the companion (R61/R33) NOFO PAR-AT-24-XXX (TEMP-25412).

Funding geography: Not specified — review source. A funder’s address does not establish eligibility.

Review original source ↗

Funding instrument: Grant. Issuing jurisdiction: Federal. This is not a geographic eligibility determination.

Source fields and evidence

id: 356927
Source ↗ · id

opportunityNumber: PAR-25-210
Source ↗ · opportunityNumber

opportunityTitle: Enhancing Mechanistic Research on Precision Probiotic Therapies (R33 Clinical Trial Optional)
Source ↗ · opportunityTitle

revision: 0
Source ↗ · revision

agencyDetails: {"code":"NIH","seed":"HHS-NIH11","agencyName":"National Institutes of Health","agencyCode":"HHS-NIH11","topAgencyCode":"HHS"}
Source ↗ · agencyDetails

owningAgencyCode: HHS-NIH11
Source ↗ · owningAgencyCode

cfdas: [{"id":424640,"opportunityId":356927,"cfdaNumber":"93.121","programTitle":"Oral Diseases and Disorders Research"},{"id":424639,"opportunityId":356927,"cfdaNumber":"93.213","programTitle":"Research and Training in Complementary and Integrative Health"},{"id":424642,"opportunityId":356927,"cfdaNumber":"93.313","programTitle":"NIH Office of Research on Women's Health"},{"id":424643,"opportunityId":356927,"cfdaNumber":"93.393","programTitle":"Cancer Cause and Prevention Research"},{"id":424641,"opportunityId":356927,"cfdaNumber":"93.866","programTitle":"Aging Research"},{"id":424644,"opportunityId":356927}]
Source ↗ · cfdas

applicantTypes: [{"id":"25","description":"Others (see text field entitled \"Additional Information on Eligibility\" for clarification)"},{"id":"07","description":"Native American tribal governments (Federally recognized)"},{"id":"06","description":"Public and State controlled institutions of higher education"},{"id":"00","description":"State governments"},{"id":"22","description":"For profit organizations other than small businesses"},{"id":"23","description":"Small businesses"},{"id":"13","description":"Nonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher education"},{"id":"12","description":"Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education"},{"id":"20","description":"Private institutions of higher education"},{"id":"04","description":"Special district governments"},{"id":"08","description":"Public housing authorities/Indian housing authorities"},{"id":"02","description":"City or township governments"},{"id":"01","description":"County governments"},{"id":"11","description":"Native American tribal organizations (other than Federally recognized tribal governments)"},{"id":"05","description":"Independent school districts"}]
Source ↗ · applicantTypes

applicantEligibilityDesc: Other Eligible Applicants include the following: Alaska Native and Native Hawaiian Serving Institutions; Asian American Native American Pacific Islander Serving Institutions (AANAPISISs); Eligible Agencies of the Federal Government; Faith-based or Community-based Organizations; Hispanic-serving Institutions; Historically Black Colleges and Universities (HBCUs); Indian/Native American Tribal Governments (Other than Federally Recognized); Non-domestic (non-U.S.) Entities (Foreign Organizations); Regional Organizations; Tribally Controlled Colleges and Universities (TCCUs) ; U.S. Territory or Possession; Non-domestic (non-U.S.) Entities (Foreign Organizations) are not eligible to apply. Non-domestic (non-U.S.) components of U.S. Organizations are not eligible to apply. Foreign components, as defined in the NIH Grants Policy Statement, are allowed.
Source ↗ · applicantEligibilityDesc

fundingInstruments: [{"id":"G","description":"Grant"}]
Source ↗ · fundingInstruments

fundingActivityCategories: [{"id":"ED","description":"Education"},{"id":"HL","description":"Health"}]
Source ↗ · fundingActivityCategories

awardFloor: none
Source ↗ · awardFloor

awardCeiling: none
Source ↗ · awardCeiling

responseDate: Jun 02, 2027 12:00:00 AM EDT
Source ↗ · responseDate

responseDateStr: 2027-06-02-00-00-00
Source ↗ · responseDateStr

costSharing: false
Source ↗ · costSharing

lastUpdatedDate: Oct 31, 2024 02:27:38 PM EDT
Source ↗ · lastUpdatedDate

status: posted
Source ↗ · oppHits[id=356927].oppStatus

Source retrieved 10/15/2026 · Revision 0. Always confirm current requirements and dates with the funder. Structured source fields are checked; this is not a determination that every applicant qualifies.

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