Health and Human Services Department Docket FDA-2026-D-1257 Notice

2026-11054: Leveraging Prior Knowledge in the Development of Human Gene Therapy Products Incorporating Genome Editing; Draft Guidance for Industry; Availability

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Summary

The Food and Drug Administration (FDA, Agency, or we) is announcing the availability of a draft document entitled "Leveraging Prior Knowledge in the Development of Human Gene Therapy Products Incorporating Genome Editing." The draft guidance document provides sponsors engaged in the development of human gene therapy (GT) products incorporating ex-vivo and in vivo genome editing (GE) of human somatic cells (GE products) with FDA's recommendations on the type of prior knowledge that may be scientifically appropriate to leverage to advance product development.

The agency’s own summary, as published.

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