Early Clinical Trials With Live Biotherapeutic Products: Chemistry, Manufacturing, and Control Information; Guidance for Industry; Request for Comments

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The Food and Drug Administration (FDA) is announcing a request for additional comments on the chemistry, manufacturing, and control (CMC) information that a sponsor of an investigational new drug application (IND) should provide in its IND in order to meet regulatory requirements when commercially available foods or dietary supplements containing live biotherapeutic products (LBPs) are used as investigational new drugs in early phase clinical trials. The request for additional comments on the CMC information is related to the guidance entitled, "Early Clinical Trials with Live Biotherapeutic Products: Chemistry, Manufacturing, and Control Information; Guidance for Industry," dated February 2012 (February 2012 guidance).