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Closed on May 5, 2026

NIH Brain Development Cohorts (NBDC) Biospecimen Access (X01 Clinical Trial Not Allowed)

National Institutes of Health · Opportunity number PAR-23-229

Details summarized from the official notice as of May 6, 2026. Always confirm eligibility, deadlines and requirements in the official notice before applying.

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This opportunity is closed as of May 5, 2026. It is kept here for reference. See the related open opportunities below, or check the official listing in case the agency posts a new cycle.

Key facts

Opportunity numberPAR-23-229
AgencyNational Institutes of Health
Department of Health and Human Services
Assistance listing (ALN, formerly CFDA)93.242, 93.279, 93.307, 93.113, 93.273, 93.399, 93.313
PostedAug 11, 2023
DeadlineMay 5, 2026
Cost sharing or matching requiredNo
Funding typeGrant
CategoryEnvironment
Last updated hereMay 6, 2026

Summary from the notice

The Adolescent Brain Cognitive Development (ABCD) Study is the largest longitudinal study of brain development and child health collecting data from more than 11,000 children across the U.S. beginning when they are 9-10 years old and continuing for a decade. In addition to behavioral assessments, youth undergo neuroimaging and provide biospecimens, including saliva for hormone analysis, urine and hair for substance use and exposure, deciduous teeth for environmental exposure, and blood for genetic analysis and metabolic and hematologic assays. This initiative allows investigators to apply for access to biological samples from the ABCD Study. More information about the ABCD Study may be found on the ABCD Study website (www.abcdstudy.org). Information about this resource can be found on the NIDA funding opportunities page at https://nida.nih.gov/funding/nida-funding-opportunities/nih-brain-development-cohorts-biospecimen-access-program.

Who can apply

The official notice lists these applicant types as eligible:

  • City or township governments
  • State governments
  • County governments
  • Public and Indian housing authorities
  • Nonprofits with 501(c)(3) status (other than colleges)
  • Other Native American tribal organizations
  • Independent school districts
  • Private colleges and universities
  • Small businesses
  • Nonprofits without 501(c)(3) status (other than colleges)
  • Others named in the notice (see the eligibility text)
  • For-profit organizations other than small businesses
  • Public and state colleges and universities
  • Special district governments
  • Federally recognized tribal governments

Who should take a closer look

  • Small businesses
  • Nonprofits
  • Colleges and universities
  • State governments
  • Local governments
  • Tribal governments and organizations
  • Larger for-profit companies

Not listed as eligible

  • Individuals

Unless the eligibility text in the notice names you, this opportunity is probably not for you.

Eligibility details from the notice

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.

Registrations you will likely need

Most applications submitted through Grants.gov need the following. Registration can take several weeks, so start early. The notice lists the exact requirements.

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