FDA CBER Biologics Safety Communications

FDA Extends Coral Snake Antivenin Expiration Date

The FDA has extended the expiration date for Lot CL6814 of Antivenin (Micrurus fulvius) (Equine Origin), commonly known as North American Coral Snake Antivenin, from June 30, 2025, to June 30, 2026. This extension is based on stability data indicating the lot will maintain potency for an additional year.

FDA Warns of Serious Risks from Unapproved Cell/Tissue Products

The FDA is warning consumers and healthcare professionals about the serious risks associated with unapproved human cell and tissue products, including patient deaths. The agency is investigating products like Laennec and reminds the public to report adverse events.

FDA Notification: Safety Labeling Change for Influenza Vaccine

The FDA has notified GlaxoSmithKline Biologicals of a required safety labeling change for its FLUARIX influenza vaccine. Postmarketing studies indicate an increased risk of febrile seizures in children aged 6 months through 4 years following vaccination.

FDA Safety Labeling Change for Fluzone Vaccine

The FDA has notified Sanofi Pasteur Inc. of a required safety labeling change for Fluzone vaccine. Postmarketing studies indicate an increased risk of febrile seizures in children aged 6 months through 4 years following vaccination. This change mandates updating the 'Warnings and Precautions' section of the vaccine's labeling.

FDA Safety Labeling Change for FluMist

The FDA has notified MedImmune, LLC of a required safety labeling change for FluMist, an influenza vaccine. The change is based on postmarketing studies indicating an increased risk of febrile seizures in children aged 6 months through 4 years following vaccination.

FDA Notification: Influenza Vaccine Safety Labeling Change

The FDA has notified ID Biomedical Corporation of Quebec (GlaxoSmithKline Biologicals) of a required safety labeling change for its FLULAVAL influenza vaccine. Postmarketing studies indicate an increased risk of febrile seizures in young children following vaccination, necessitating updates to the product's prescribing information.