← REGULATORY CHANGES
FEDERAL REGISTER · NOTICENovember 27, 2024NOTICE — NO LEGAL EFFECT

Recommended Followup Testing for an Ames-Positive Drug (Active Ingredient) or Metabolite To Support First-in-Human Clinical Trials With Healthy Subjects; Draft Guidance for Industry; Availability

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Document details are published in the U.S. Federal Register; SPEQ surfaces them for reference and is not affiliated with or endorsed by the FDA or the Office of the Federal Register. The authoritative text is on federalregister.gov.

STATUSNOTICE — NO LEGAL EFFECT
EFFECTIVE—
COMMENTS CLOSEFeb 25, 2025 · closed
APPLIES TO · SPEQ TAGDrug
Document type
Notice
Agency
Health and Human Services Department
Published
November 27, 2024
Comments close
February 25, 2025
Document number
2024-27796
Docket
FDA-2024-D-4540
ABSTRACT

The Food and Drug Administration (FDA or Agency) is announcing the availability of a draft guidance for industry entitled "Recommended Followup Testing for an Ames-Positive Drug (Active Ingredient) or Metabolite To Support First-in-Human Clinical Trials With Healthy Subjects." This draft guidance makes recommendations on followup testing for Ames-positive active ingredients in circumstances when a sponsor decides to continue development. The guidance recommends a consistent process of followup testing and evaluation that first should be conducted for an Ames-positive active ingredient before proceeding with first-in-human (FIH) trials in healthy human subjects. These recommendations are intended to potentially help address and lower safety concerns before proceeding with FIH trials in healthy human subjects.

Abstract as published in the Federal Register.

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