FDA GUIDANCE · DRAFTAugust 19, 2026

Potency Assessment of Active Immunotherapy Products

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Guidance details are published by the U.S. FDA; SPEQ surfaces them for reference and is not affiliated with or endorsed by the FDA. The authoritative text is on fda.gov.

Status

Draft

Topic

Gene Therapy

Issue date

August 19, 2026

This is a draft guidance — issued for comment and not for implementation. It signals FDA’s current thinking and the direction of a requirement, but the final document may change. Track the comment window on the FDA page.

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