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

PAR-25-323: Stephen I. Katz Early Stage Investigator Research Project Grant (R01 Basic Experimental Studies with Human Required)

Closed Closed May 24, 2026 Opportunity PAR-25-323

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 2025.

National Institutes of Health offered grants to nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses. Applications closed on May 24, 2026.

From the official notice on Grants.gov, last changed April 21, 2026. Checked November 7, 2026.

About this NIH notice

Application due dates, page limits and budget limits are set in the notice. Read PAR-25-323 in the NIH Guide.

Other notices with this title

National Institutes of Health has posted this title under other numbers: earlier or later rounds, or the same competition for another area. Each has its own dates and may change its rules.

NoticePostedDeadlineStatus
PAR-24-076December 21, 2023Closed May 23, 2025Closed

Key dates

PostedAugust 25, 2025
DeadlineMay 24, 2026
Archived by Grants.govSeptember 23, 2026

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); 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 not allowed.

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

Is this a realistic fit?

What the grant funds

The Stephen I. Katz Early Stage Investigator Research Project Grant supports an innovative project that represents a change in research direction for an early stage investigator (ESI) and for which no preliminary data exist. Applications submitted to this Notice of Funding Opportunity Announcement (NOFO) must not include preliminary data. Applications must include a separate attachment describing the change in research direction. The proposed project must be related to the programmatic interests of one or more of the participating NIH Institutes and Centers (ICs) based on their scientific missions. This Funding Opportunity is for basic science experimental studies involving humans, referred to in NOT-OD-18-212 as prospective basic science studies involving human participants. These studies fall within the NIH definition of a clinical trial and also meet the definition of basic research. Types of studies that should submit under this NOFO include studies that prospectively assign human participants to conditions (i.e., experimentally manipulate independent variables) and that assess biomedical or behavioral outcomes in humans for the purpose of understanding the fundamental aspects of phenomena without specific application towards processes or products in mind. Studies that are NOT conducted with specific applications toward processes or products in mind and which also do not meet the clinical trial definition should submit under the appropriate Clinical Trial Not Allowed NOFO .

Category: Education, Environment, Health, Income Security and Social Services.

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).

Who has won Child Health and Human Development Extramural Research grants before

From fiscal 2021 to 2025, Child Health and Human Development Extramural Research (93.865) awarded $6.0 billion across 6,026 grant awards, an average of $1.0 million per award.

Largest recipients, fiscal 2021 to 2025
RecipientStateAwardsAmount
Regents of the University of MichiganMichigan167$178 million
The Johns Hopkins UniversityMaryland133$146 million
University of WashingtonWashington114$131 million
Baylor College of MedicineTexas116$124 million
The Leland Stanford Junior UniversityCalifornia104$116 million

Top states: California ($726 million), Massachusetts ($579 million), New York ($456 million), Pennsylvania ($419 million), North Carolina ($365 million).

Other programs behind this notice

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-25-323 still open?

No. It closed on May 24, 2026.

Who can apply for Stephen I. Katz Early Stage Investigator Research Project Grant (R01 Basic Experimental Studies with Human Required)?

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 Stephen I. Katz Early Stage Investigator Research Project Grant (R01 Basic Experimental Studies with Human Required)?

Closed May 24, 2026. Applications are no longer accepted; the program's newer notices are on this page when there are any.

Who has won Environmental Health grants before?

The largest recipients over five fiscal years were Icahn School of Medicine at Mount Sinai, The Trustees of Columbia University in the City of New York, University of North Carolina at Chapel Hill. The program made 1,980 awards worth $2.1 billion in that time.

Similar open grants