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  4. Expiration Date Extension for Anavip [Crotalidae Immune F(ab’)2 (Equine)]: Lot B-8G-33 through July 31, 2021; Lot B-9B-33 through February 28, 2022; and Lot B-9E-35 through June 30, 2022
  1. Safety & Availability (Biologics)

Expiration Date Extension for Anavip [Crotalidae Immune F(ab’)2 (Equine)]: Lot B-8G-33 through July 31, 2021; Lot B-9B-33 through February 28, 2022; and Lot B-9E-35 through June 30, 2022

This is to provide you with important information regarding Antivenin (Crotalidae Immune F(ab’)2 (Equine) (Equine Origin), commonly referred to as Anavip® [Crotalidae Immune F(ab’)2 (Equine)], an equine-derived antivenin indicated for the management of adult and pediatric patients with North American rattlesnake envenomation.

Anavip® [Crotalidae Immune F(ab’)2 (Equine)] product was manufactured for Instituto Bioclon by Laboratorios Silanes. After evaluation of stability data, FDA has extended the expiration date on all lots of Anavip® [Crotalidae Immune F(ab’)2 (Equine)] from 24 months to 36 months providing an additional year of shelf life on all current and future lots of Anavip®.

Lot B-8G-33 is labeled with an expiration date of July 31, 2020. Because lot B-8G-33, has a new expiration date, you may continue to maintain the product in your inventory and keep it available for use until July 31, 2021.

Lot B-9B-33 is labeled with an expiration date of February 28, 2021. Because lot B-9B-33, has a new expiration date, you may continue to maintain the product in your inventory and keep it available for use until February 28, 2022.

Lot B-9E-35 is labeled with an expiration date of June 30, 2021. Because lot B-9E-35, has a new expiration date, you may continue to maintain the product in your inventory and keep it available for use until June 30, 2022. 

 
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