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Last Updated: December 17, 2025

Biologic Drugs With Established Pharmaceutical Class: Interleukin-6 Receptor Antagonist

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Biologic Drugs With Established Pharmaceutical Class: Interleukin-6 Receptor Antagonist

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Patent Expiration
Genentech, Inc.	ACTEMRA	tocilizumab	Injection	125276	2010-01-08	⤷ Get Started Free	⤷ Get Started Free
Genentech, Inc.	ACTEMRA	tocilizumab	Injection	125472	2013-10-21	⤷ Get Started Free	⤷ Get Started Free
Sanofi-aventis U.s. Llc	KEVZARA	sarilumab	Injection	761037	2017-05-22	⤷ Get Started Free	⤷ Get Started Free
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Patent Expiration

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