NIH PA · NIH · F33

PA-25-424: Ruth L. Kirschstein National Research Service Award (NRSA) Individual Senior Fellowship (Parent F33)

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

Open for applicationsNext due date: Dec 8, 2026Expires May 8, 2028

The National Institutes of Health (NIH) awards senior individual research training fellowships to experienced scientists who wish to make major changes in the direction of their research careers or who wish to broaden their scientific background by acquiring new research capabilities as independent investigators in research fields relevant to the missions of participating NIH Institutes and Centers.

Full NOFO in the NIH Guide Apply on Grants.gov

NOFO number
PA-25-424
Type
PA
Activity code
F33
Primary institute
NIH
Clinical trials
Not Allowed
Posted
Jun 12, 2025
Opens
Jul 8, 2025
Expires
May 8, 2028

PA-25-424 due dates

5 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-25-424
Application Due Date(s)Renewal / Resubmission / Revision (as allowed)AIDS - New/Renewal/Resubmission/Revision, as allowedScientific Merit ReviewAdvisory Council ReviewEarliest Start Date
August 08, 2025August 08, 2025 *September 07, 2025 *November 2025January 2026April 2026
December 08, 2025December 08, 2025 *January 07, 2026 *March 2026May 2026July 2026
April 08, 2026April 08, 2026 *May 07, 2026 *July 2026October 2026December 2026
August 08, 2026August 08, 2026 *Not ApplicableNovember 2026January 2027April 2027
December 08, 2026December 08, 2026 *Not ApplicableMarch 2027May 2027July 2027
April 08, 2027April 08, 2027 *Not ApplicableJuly 2027October 2027December 2027
August 08, 2027August 08, 2027 *Not ApplicableNovember 2027January 2028April 2028
December 08, 2027December 08, 2027 *Not ApplicableMarch 2028May 2028July 2028
April 08, 2028April 08, 2028 *Not ApplicableJuly 2028October 2028December 2028

Funded projects

NIH RePORTER lists no awards under PA-25-424 in FY2022–FY2026. Awards usually appear a few months after the first review cycle.

Participating institutes

8 NIH institutes and offices take applications under PA-25-424. Contact the program officer at the institute that fits your research before applying.

  • NIH
  • NHLBI · National Heart, Lung, and Blood Institute
  • NIAMS · National Institute of Arthritis and Musculoskeletal and Skin Diseases
  • NIDCR · National Institute of Dental and Craniofacial Research
  • NIDA · National Institute on Drug Abuse
  • NIEHS · National Institute of Environmental Health Sciences
  • NIGMS · National Institute of General Medical Sciences
  • ODSS

Related notices

  1. Nov 24, 2025 · NOT-DE-26-013

    Notice of Rescheduled NIDCR Pre-Application and Technical Assistance Webinars on Applying for Fellowship F) Awards and Career Development K) Awards.

  2. Sep 25, 2025 · NOT-DE-26-012

    Notice of NIDCR Pre-Application and Technical Assistance Webinars on Applying for Fellowship F) Awards and Career Development K) Awards.

  3. Jun 17, 2025 · NOT-OD-25-126

    NOTICE OF CORRECTION: Eligible Individuals, Ruth L. Kirschstein Research Service Award NRSA) Fellowships.

  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 2 NOSIs to PA-25-424; none are active now. A NOSI flags a topic an institute wants to fund through this NOFO.

Award terms

Application types allowed
NewRenewal - Individual fellowship awards are generally not renewable. In rare cases in which fellowship awardees require further fellowship support, they should consult with NIH staff to obtain advice regarding submission of a renewal applicationResubmission The OER Glossary and the How to Apply - Application Guide provide details on these application types. Only those application types listed…
Award budget
Information
Project period
Individuals may receive up to 5 years of aggregate Kirschstein-NRSA support at the predoctoral level up to 6 years for dual degree training, e.g., MD/PhD), and up to 3 years of aggregate Kirschstein-NRSA support at the postdoctoral level, including any combination of support from institutional training grants e.g., T32) and an individual fellowship award. Senior fellowship F33) support is…
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-23-263.

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

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