NIH PA · NIH · R01

PA-25-305: NIH Research Project Grant (Parent R01 Clinical Trial Required)

Reviewed by Dr. Meng ZhaoLast reviewed October 16, 2026Data refreshed October 16, 2026Editorial standards

Open for applicationsNext due date: Feb 5, 2027Expires Jan 8, 2028

The NIH Research Project Grant supports a discrete, specified, circumscribed project in areas representing the specific interests and competencies of the investigator(s). This Parent Notice of Funding Opportunity Announcement requires that at lease 1 clinical trial be proposed. 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.

Full NOFO in the NIH Guide Apply on Grants.gov

NOFO number
PA-25-305
Type
PA
Activity code
R01
Primary institute
NIH
Clinical trials
Required
Posted
Dec 18, 2024
Opens
Jan 5, 2025
Expires
Jan 8, 2028

PA-25-305 due dates

3 application due dates remain before the NOFO expires. Dates marked * are NIH standard due dates. Check the related notices below for changes NIH made after posting.

Application due dates and review cycles for PA-25-305
Application Due Date(s)Renewal / Resubmission / Revision (as allowed)AIDS - New/Renewal/Resubmission/Revision, as allowedScientific Merit ReviewAdvisory Council ReviewEarliest Start Date
February 05, 2025March 05, 2025 *May 07, 2025 *July 2025October 2025December 2025
June 05, 2025July 05, 2025 *September 07, 2025 *November 2025January 2026April 2026
October 05, 2025November 05, 2025 *January 07, 2026 *March 2026May 2026July 2026
February 05, 2026March 05, 2026 *May 07, 2026 *July 2026October 2026December 2026
June 05, 2026July 05, 2026 *Not ApplicableNovember 2026January 2027April 2027
October 05, 2026November 05, 2026 *Not ApplicableMarch 2027May 2027July 2027
February 05, 2027March 05, 2027 *Not ApplicableJuly 2027October 2027December 2027
June 05, 2027July 05, 2027 *Not ApplicableNovember 2027January 2028April 2028
October 05, 2027November 05, 2027 *Not ApplicableMarch 2028May 2028July 2028

Projects funded under PA-25-305

NIH RePORTER lists 354 projects funded under PA-25-305 in FY2022–FY2026, with $277.9M in award dollars. Counts include each project's later non-competing years, which keep the original NOFO number.

Projects funded

354

Distinct projects, FY2022–FY2026

New awards

327

Type 1 (new project) award records

NIH funding

$277.9M

Award dollars under PA-25-305, FY2022–FY2026

Funding by fiscal year

Award records, new awards, and funding by fiscal year under PA-25-305
Fiscal yearAward recordsNew awardsFunding
FY202200$0
FY202300$0
FY202400$0
FY202511$680K
FY2026356326$277.2M

Institutions with the most funding

  1. University of Washington$9.3M · 12 projects
  2. Johns Hopkins University$7.6M · 10 projects
  3. University of Virginia$6.9M · 9 projects

Funding institutes

  • NIDDK$50.7M · 65
  • NICHD$38.3M · 53
  • NIA$31.2M · 34
  • NHLBI$25.0M · 31
  • NIAID$21.2M · 23
  • NIDA$18.4M · 27
  • NIAAA$14.5M · 20
  • NIDCD$13.8M · 19

Activity codes funded

  • R01351 records
  • U013 records
  • R562 records
  • RF11 record

What its predecessor PA-20-183 funded

PA-25-305 reissues PA-20-183. Its funding history is the best guide to who wins under this program: 1,206 projects and $2.74B in FY2022–FY2026.

Projects funded

1,206

Distinct projects, FY2022–FY2026

New awards

972

Type 1 (new project) award records

NIH funding

$2.74B

Award dollars under PA-20-183, FY2022–FY2026

Funding by fiscal year

Award records, new awards, and funding by fiscal year under PA-20-183
Fiscal yearAward recordsNew awardsFunding
FY2022421271$285.7M
FY2023681261$447.9M
FY2024923226$609.7M
FY20251,179192$755.0M
FY20261,04522$642.3M

Institutions with the most funding

  1. Johns Hopkins University$77.3M · 34 projects
  2. Massachusetts General Hospital$75.1M · 33 projects
  3. Yale University$70.2M · 30 projects
  4. University of Pennsylvania$64.6M · 29 projects

Funding institutes

  • NHLBI$478.3M · 707
  • NIDDK$440.2M · 679
  • NICHD$408.8M · 700
  • NIA$328.9M · 447
  • NIDA$215.4M · 326
  • NIMH$202.4M · 307
  • NIMHD$155.4M · 219
  • NIAAA$149.8M · 253

Activity codes funded

  • R014,149 records
  • U0145 records
  • R5625 records
  • RF115 records
  • R3714 records
  • UF11 record

FY2026 closed on September 30, 2026, but NIH keeps posting that year's awards to RePORTER for several weeks. FY2026 figures reflect records available on October 16, 2026 and may rise slightly at the next refresh.

Participating institutes

22 NIH institutes and offices take applications under PA-25-305. Contact the program officer at the institute that fits your research before applying.

  • NIH
  • NEI · National Eye Institute
  • NHLBI · National Heart, Lung, and Blood Institute
  • NHGRI · National Human Genome Research Institute
  • NIA · National Institute on Aging
  • NIAAA · National Institute on Alcohol Abuse and Alcoholism
  • NIAID · National Institute of Allergy and Infectious Diseases
  • NIAMS · National Institute of Arthritis and Musculoskeletal and Skin Diseases
  • NIBIB · National Institute of Biomedical Imaging and Bioengineering
  • NICHD · Eunice Kennedy Shriver National Institute of Child Health and Human Development
  • NIDCD · National Institute on Deafness and Other Communication Disorders
  • NIDDK · National Institute of Diabetes and Digestive and Kidney Diseases
  • NIDA · National Institute on Drug Abuse
  • NIEHS · National Institute of Environmental Health Sciences
  • NIGMS · National Institute of General Medical Sciences
  • NIMH · National Institute of Mental Health
  • NINDS · National Institute of Neurological Disorders and Stroke
  • NINR · National Institute of Nursing Research
  • NIMHD · National Institute on Minority Health and Health Disparities
  • NLM · National Library of Medicine
  • NCCIH · National Center for Complementary and Integrative Health
  • NCI · National Cancer Institute

Related notices

  1. Jan 28, 2026 · NOT-OD-26-029

    NIH Removing AIDS Application Due Dates from NOFOs. See Notice NOT-OD-26-029.

  2. Mar 25, 2026 · NOT-CA-26-009

    Notice of National Cancer Institute's Participation in PA-25-305, NIH Research Project Grant Parent R01 Clinical Trial Required).

  3. Mar 31, 2025 · NOT-OD-24-084

    This funding opportunity was updated to align with agency priorities. Carefully reread the full funding opportunity and make any needed adjustments to your application prior to submission.April 4, 2024 - Overview of Grant Application and Review Changes for Due Dates on or after January 25,…

  4. Aug 31, 2022 · NOT-OD-22-198

    Implementation Changes for Genomic Data Sharing Plans Included with Applications Due on or after January 25, 2023. See Notice NOT-OD-22-198.

  5. Aug 5, 2022 · NOT-OD-22-189

    Implementation Details for the NIH Data Management and Sharing Policy. See Notice NOT-OD-22-189.

Notices of Special Interest (NOSIs)

NIH has attached 101 NOSIs to PA-25-305; none are active now. A NOSI flags a topic an institute wants to fund through this NOFO.

Award terms

Application types allowed
NewRenewalResubmissionRevision The OER Glossary and the How to Apply Application Guide provide details on these application types. Only those application types listed here are allowed for this NOFO.
Award budget
Application budgets are not limited but need to reflect the actual needs of the proposed project.
Project period
The scope of the proposed project should determine the project period. The maximum project period is 5 years. NIH grants policies as described in the NIH Grants Policy Statement will apply to the applications submitted and awards made from this NOFO.
Funds available and number of awards
The number of awards is contingent upon NIH appropriations and the submission of a sufficient number of meritorious applications.

Summarized from the NOFO text; the full NOFO governs eligibility, budget, and review.

Related NOFOs

  • Reissue of PA-20-183.
  • Companion NOFOs: PA-25-301, PA-25-303.

Other open NOFOs for R01

Browse all open NIH NOFOs

About this page

GotGrant gathers the NOFO, its participation and change notices, and its NOSIs from the NIH Guide for Grants and Contracts, and counts funded projects from NIH RePORTER by the opportunity number each award was made under. Data refreshed October 16, 2026; the NIH Guide is the authoritative source. See our data methodology.

Find who wins under this NOFO