Guidance for Industry: Toxicity Grading Scale for Healthy Adult and Adolescent Volunteers Enrolled in Preventive Vaccine Clinical Trials; Availability

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The Food and Drug Administration (FDA) is announcing the availability of a document entitled "Guidance for Industry: Toxicity Grading Scale for Healthy Adult and Adolescent Volunteers Enrolled in Preventive Vaccine Clinical Trials," dated September 2007. The guidance document provides sponsors of vaccine trials with recommendations on assessing the severity of clinical and laboratory abnormalities in healthy adult and adolescent volunteers enrolled in clinical trials. In particular, the guidance includes toxicity grading scale tables to use as a guideline for selecting the assessment criteria. The guidance announced in this notice finalizes the draft guidance of the same title dated April 2005.