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S. 355Passed Senate

FDA Modernization Act 3.0

Introduced: Feb 3, 2025

Latest action date: Dec 17, 2025

Latest development

Held at the desk.

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Congress
119th Congress
Introduced
Feb 3, 2025
Recorded roll calls
0

Status detail: The full action history records passage in the Senate.

Plain-language overview

What this bill does

FDA Modernization Act 3.0

This bill requires the Food and Drug Administration (FDA) to publish an interim final rule implementing a provision of the Consolidated Appropriations Act of 2023 that authorized the use of certain alternatives to animal testing to support investigational use of a new drug. 

The rule must replace references to animal tests, data, studies, models, and research with references to nonclinical tests, data, studies, models, and research throughout the FDA’s regulations governing investigational new drug applications, and may make other changes to the regulations as appropriate. 

The rule must be published within one year of the bill’s enactment, and must take immediate effect as an interim final rule. 

Official summary from Congress.gov.

Civixly topics

What this legislation is about

Civixly topics make federal and state legislation comparable. They are derived from the official CRS policy area and legislative subjects.

Official CRS policy area

Health

View 5 official legislative subjects
Administrative law and regulatory proceduresDepartment of Health and Human ServicesDrug safety, medical device, and laboratory regulationMedical researchResearch administration and funding

Committee activity

Committees and subcommittees that received, reviewed, marked up, or reported this legislation.

Amendments

Proposed changes to this measure, with their latest official outcome or action from Congress.gov.

View amendments1 amendment
S.Amdt. 4057senateAgreed toDec 16, 2025

In the nature of a substitute.

Latest action: Amendment SA 4057 agreed to in Senate by Unanimous Consent.

Congress.gov ↗

Checked against Congress.gov Oct 11, 2026.

Action timeline

Newest action first. Action language comes from the official Congress.gov record.

View full action timeline10 actions
  1. Held at the desk.

    FloorHouse floor actions
  2. Received in the House.

    FloorHouse floor actions
  3. Message on Senate action sent to the House.

    FloorSenate
  4. Passed/agreed to in Senate: Passed Senate with an amendment by Unanimous Consent.

    FloorLibrary of Congress
  5. Passed Senate with an amendment by Unanimous Consent. (text of amendment in the nature of a substitute: CR S8794)

    FloorSenate
  6. Senate Committee on Health, Education, Labor, and Pensions discharged by Unanimous Consent.

    DischargeSenate
  7. Senate Committee on Health, Education, Labor, and Pensions discharged by Unanimous Consent.

    CommitteeLibrary of Congress
  8. Measure laid before Senate by unanimous consent. (consideration: CR S8793-8794)

    FloorSenate
  9. Read twice and referred to the Committee on Health, Education, Labor, and Pensions.

    IntroReferralSenate
  10. Introduced in Senate

    IntroReferralLibrary of Congress

Roll-call votes

Recorded House and Senate votes connected to this bill. Your representatives appear first when available.

No connected roll-call votes are currently available for this bill.

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Sources: Congress.gov and official House and Senate vote records.

View data freshness details

Base metadata check pending · Civixly summary check pending · Action timeline checked Oct 11, 2026 · Sponsorship checked Oct 10, 2026 · Topics checked Oct 11, 2026 · Committees checked Oct 11, 2026 · Status checked Oct 11, 2026 · Related bills checked Oct 11, 2026.