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Last Updated: December 15, 2025

Biologic Drugs With Established Pharmaceutical Class: Interleukin-6 Antagonist

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Biologic Drugs With Established Pharmaceutical Class: Interleukin-6 Antagonist

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Patent Expiration
Eusa Pharma (uk) Limited	SYLVANT	siltuximab	For Injection	125496	2014-04-23	⤷ Get Started Free	⤷ Get Started Free
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Patent Expiration

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