Well Told Grants

Grants / Department of Health and Human Services / National Institutes of Health

PAR-23-165: Development and Application of PET and SPECT Imaging Ligands as Biomarkers for Drug Discovery and for Pathophysiological Studies of CNS Disorders (R01 Clinical Trial Not Allowed)

Closed Closed January 7, 2025 Opportunity PAR-23-165

This grant is closed. Who won this program's grants before is below, and similar open grants are at the end of the page. It is in our archive of National Institutes of Health notices from 2023.

National Institutes of Health offered grants to nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses. Applications closed on January 7, 2025.

From the official notice on Grants.gov, last changed October 10, 2024. Checked November 7, 2026.

About this NIH notice

Projects funded under PAR-23-165 were run by National Institute of Mental Health (NIMH, 1 project). Contact the program officer at the institute that fits your project before you apply; the notice lists them.

Application due dates, page limits and budget limits are set in the notice. Read PAR-23-165 in the NIH Guide.

Key dates

PostedApril 7, 2023
DeadlineJanuary 7, 2025
Archived by Grants.govFebruary 6, 2025

Who can apply

This opportunity was open to nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses.

All 15 applicant types the notice lists

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.

More grants for nonprofits, colleges and universities, state and local governments, tribes, small businesses, businesses.

Is this a realistic fit?

What the grant funds

This Funding Opportunity Announcement (FOA) invites research grant applications that propose the preclinical development of novel radioligands for positron emission tomography (PET) or single photon emission computed tomography (SPECT) imaging in rodent and nonhuman primate brain and incorporation of pilot or clinical feasibility evaluation in pre-clinical studies and appropriate model development. Projects proposing clinical assessments of novel radioligands should respond to FOA PAR XX-XXX .

Category: Health.

Funded under PAR-23-165 so far

NIH funded 1 project under PAR-23-165 in fiscal 2024 to 2026, at 1 institution. The median yearly award was $604,239.

Recently funded projects
ProjectInstitutionFiscal yearAward
Imaging the Functional State of the D2high Receptor in drug induced dopamine supersensitivity in schizophrenia R01McLean Hospital2026$666,559

From NIH RePORTER, which lists each project once per fiscal year it was funded. Amounts are the yearly award.

Who has won Aging Research grants before

From fiscal 2021 to 2025, Aging Research (93.866) awarded $19 billion across 11,026 grant awards, an average of $1.7 million per award.

Largest recipients, fiscal 2021 to 2025
RecipientStateAwardsAmount
The Regents of the University of California, San FranciscoCalifornia337$575 million
The Trustees of Columbia University in the City of New YorkNew York242$574 million
University of Southern CaliforniaCalifornia203$572 million
The Washington UniversityMissouri210$556 million
Regents of the University of MichiganMichigan232$538 million

Top states: California ($3.4 billion), New York ($2.0 billion), Massachusetts ($1.8 billion), Pennsylvania ($1.0 billion), Texas ($912 million).

Who has won Mental Health Research Grants grants before

From fiscal 2021 to 2025, Mental Health Research Grants (93.242) awarded $8.8 billion across 6,785 grant awards, an average of $1.3 million per award.

Largest recipients, fiscal 2021 to 2025
RecipientStateAwardsAmount
Yale UnivConnecticut185$371 million
University of Pittsburgh - of the Commonwealth System of Higher EducationPennsylvania200$297 million
University of California, Los AngelesCalifornia176$234 million
Icahn School of Medicine at Mount SinaiNew York144$212 million
The Washington UniversityMissouri149$211 million

Top states: California ($1.4 billion), Massachusetts ($1.1 billion), New York ($1.1 billion), Pennsylvania ($667 million), Connecticut ($422 million).

Applying now

This notice no longer takes applications. Agencies often post the same opportunity again under a new number, so check the program's notices on Grants.gov and the similar open grants below.

The notice on Grants.gov keeps its full text and attachments, which is useful for planning a resubmission.

Questions people ask

Is PAR-23-165 still open?

No. It closed on January 7, 2025.

Who can apply for Development and Application of PET and SPECT Imaging Ligands as Biomarkers for Drug Discovery and for Pathophysiological Studies of CNS Disorders (R01 Clinical Trial Not Allowed)?

National Institutes of Health accepted applications from nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses. The notice adds further conditions, so read its eligibility section.

What is the deadline for Development and Application of PET and SPECT Imaging Ligands as Biomarkers for Drug Discovery and for Pathophysiological Studies of CNS Disorders (R01 Clinical Trial Not Allowed)?

Closed January 7, 2025. Applications are no longer accepted; the program's newer notices are on this page when there are any.

Who has been funded under PAR-23-165?

NIH RePORTER lists 1 project funded under PAR-23-165 in fiscal 2024 to 2026, at 1 institution.

Who has won Mental Health Research Grants grants before?

The largest recipients over five fiscal years were Yale Univ, University of Pittsburgh - of the Commonwealth System of Higher Education, University of California, Los Angeles. The program made 6,785 awards worth $8.8 billion in that time.

Similar open grants