CliffBio
biologic

Vyloy

zolbetuximab-clzb

Loss of exclusivityMarch 2037projected — 12-year biologic exclusivity estimate
CompanyAstellas Pharma Us →See this company's full patent-cliff portfolio

Drug detail

Brand nameVyloy
Active ingredientzolbetuximab-clzb
Strength300MG
Dosage formFor Injection
RouteIntravenous
ModalityBiologic
FDA approvalMarch 2025
Marketing statusRx

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Source: FDA Purple Book, layered on the CliffBio company graph. Cliff dates are the projected — 12-year biologic exclusivity estimate; estimates are projections, not legal advice.