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Nonclinical Testing Terminology

Federal Register (FDA/USDA food labeling) · United States · published 22 Sep 2026

The Food and Drug Administration (FDA, Agency, or we) is issuing a direct final rule that substitutes references to "animal" tests or studies with "nonclinical" tests or studies, adds a definition of the terms "nonclinical test" and "nonclinical study," and makes other comparable or conforming amendments in certain safety and reporting sections of its regulations. The direct final rule also substitutes "nonclinical" for "preclinical" and "in vitro" for consistency in terminology. The Agency is issuing these amendments directly as a final rule because we believe they are noncontroversial changes in terminology that are not expected to affect industry practice and FDA anticipates no significant adverse comments. These amendments align with recent amendments to the Federal Food, Drug, and Cosmetic Act (FD&C Act) and the Public Health Service Act (PHS Act) and are intended to remove an emphasis, in certain places, on the use of animal testing as the only scientific methodology to assess th

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Source: Federal Register (FDA/USDA food labeling) · US Government work (public domain). This is a short, attributed summary; the full authoritative text lives on the authority’s own site. LabelYog does not author or endorse it — confirm compliance against the destination market’s official source.

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