Nirsevimab-alip Injection 100 mg/mL | Beyfortus - Sanofi

Advanced Respiratory Syncytial Virus (RSV) Protection

When protecting vulnerable neonatal and infant populations against the severe impacts of Respiratory Syncytial Virus (RSV), healthcare providers require a targeted, long-acting clinical intervention. The Nirsevimab-alip Injection 100 mg/mL (commercially recognized as Beyfortus) provides a highly potent monoclonal antibody therapy designed strictly for intramuscular administration. Manufactured by Sanofi, a globally respected pioneer in immunology and pediatric care, these single-dose prefilled syringes ensure the steady clinical performance necessary for seasonal respiratory protection.

Why Choose Beyfortus for Pediatric Respiratory Care?

Shielding infants from lower respiratory tract disease caused by RSV requires a specialized, preventative approach. Instead of relying on treatments post-infection, clinical specialists utilize Beyfortus to provide immediate, passive immunity. The prolonged half-life of nirsevimab-alip is engineered to protect infants throughout their first RSV season with just a single dose. Sanofi provides the built-in trust and rigorous biological quality control that pediatricians, neonatologists, and specialized pharmacies demand.

Key Product Specifications & Clinical Benefits

High-Purity Biologic: Contains premium-grade nirsevimab-alip, a specialized recombinant human immunoglobulin G1 kappa (IgG1κ) monoclonal antibody.

Precise Concentrated Dose: Supplied at a potent concentration of 100 mg/mL, providing exactly what is needed for effective antibody delivery.

Clinical Supply Pack: Conveniently packaged as a carton of five 1 mL single-dose prefilled syringes, providing an efficient supply for established pediatric immunization schedules.

Targeted Intramuscular Delivery: Formulated strictly for Intramuscular Injection Only, allowing for steady systemic absorption and reliable immune support.

Essential Storage & Usage Guidelines

Maintaining the delicate biological integrity of this monoclonal antibody medication is absolutely vital for its clinical efficacy.

Storage Requirement: Store the prefilled syringes strictly in their original carton to protect them from light until the exact moment of use.

Do Not Freeze or Shake: Freezing or vigorous shaking will irrevocably destroy the active protein structure. Refer to the enclosed prescribing information for exact weight-based dosing and administration instructions as directed by the physician.

Important Notice: Beyfortus is a Prescription Drug. It must be prescribed, prepared, and administered strictly by a healthcare provider in a clinical or hospital setting. Keep all medicines safely out of the reach of children.