U.S. FDA Provides Clarity to Support Cell and Gene Therapy Development and Quality Food and Drug Administration · Official source · Updated 15h ago Copy link Facts The FDA will host a webinar on December 10, 2026, to help stakeholders understand and implement the guidance. [1] The guidance replaces FDA's 2011 potency testing guidance for CGT products. [1] Sources (1) [1] Primary source Food and Drug Administration Published Nov 2, 2026