← FDA ENFORCEMENT
D-0767-2026Class II

Regeneron Pharmaceuticals Inc

What this record is not

A recall record is reproduced as FDA published it, and the classification is FDA’s. SPEQ adds no interpretation, and a recall concerns the products and dates in the record — it is not a statement about a company’s other products or its current status.

Recalling firm
Regeneron Pharmaceuticals Inc
Product type
Drug
Status
Ongoing
Report date
2026-08-26
Distribution
USA Nationwide
Firm state
NY
Product quantity
21,353 vials
Initiated by
Voluntary: Firm initiated
SPEQ quality domain
Environmental Monitoring
Reason for recall

Lack of Assurance of Sterility

Product description

Libtayo (cemiplimab-rwlc) Injection, 350 mg/7 mL (50 mg/mL), For Intravenous Infusion After Dilution, Single-Dose Vial, Rx only, Manufactured by: Regeneron Pharmaceuticals, Inc., Tarrytown, NY 10591; Marketed by: Regeneron Pharmaceuticals, Inc. (Tarrytown, NY 10591), NDC 61755-008-01

Code / lot info

Lot: 8494000002, Exp 7/31/28

Data: U.S. FDA. Recall details are as reported by the FDA. The quality-domain mapping and severity are a SPEQ editorial interpretation of the recall reason, not an official FDA classification. Open the enforcement explorer →