Administrative Supplements to Existing NIH Grants and Cooperative Agreements (Parent Admin Supp Clinical Trial Optional)

Key facts

Summary from the notice

Who can apply

The official notice lists these applicant types as eligible:

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

Eligibility details from the notice

Other Eligible Applicants: Indian/Native American Tribal Governments (Other than Federally Recognized); Eligible Agencies of the Federal Government; U.S. Territory or Possession; Faith-based or Community-based Organizations; Regional Organizations; Non-domestic (non-U.S.) Entities (Foreign Organizations). Reminder: This NOFO supports administrative supplements to existing projects. To be eligible, the parent award must be active (i.e., not in a co-cost extension), and the research proposed in the supplement must be accomplished within the competitive segment. The proposed supplement must be to provide for an increase in costs due to unforeseen circumstances. All additional costs must be within the scope of the peer reviewed and approved project. IMPORTANT: The research proposed in the supplement application must be within the peer-reviewed scope of the NIH-supported grant project. Foreign Organizations/International Collaborations: All activities with foreign institutions must align with existing parent award. NIH will no longer issue awards (new, renewal, or non-competing continuation) to domestic or foreign entities that involve foreign subawards/subcontracts. All NIH-funded research involving foreign subawards/subcontracts must be submitted in response to a NOFO that is specifically designated for funded international collaborations. This new requirement was effective, May 1, 2025. Applications involving foreign subawards/subcontracts submitted in response to this NOFO wi...

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.

• SAM.gov registration for your organization, which also gives you a Unique Entity ID (UEI). Registration is free.
• A Login.gov account, which Grants.gov uses for sign-in.
• A Grants.gov applicant registration linked to your organization's UEI.

Past awards for this program

Totals for assistance listing 93.172, 93.307, 93.396, 93.394, 93.233, 93.395, 93.853, 93.865, 93.846, 93.273, 93.351, 93.242, 93.ECH, 93.113, 93.142, 93.840, 93.279, 93.372, 93.859, 93.173, 93.393, 93.837, 93.121, 93.143, 93.361, 93.313, 93.399, 93.310, 93.839, 93.213, 93.350, 93.879, 93.855, 93.866, 93.867, 93.847, 93.989, 93.286, 93.838 from public USASpending.gov data, as of Mar 26, 2026. Past awards do not predict future funding.

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