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Last Updated: December 30, 2025

Claims for Patent: 11,026,997

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Summary for Patent: 11,026,997

Title:	Treatment of inflammatory conditions by delivery of interleukin-1 receptor antagonist fusion protein
Abstract:	The present invention provides, among other things, methods of treating post-cardiac injury syndrome (PCIS) or pericarditis, comprising a step of administering to a subject in need of treatment an interleukin-1 receptor-Fc fusion protein at a therapeutically effective dose and an administration interval for a treatment period sufficient to improve, stabilize or reduce one or more signs and symptoms of pericarditis relative to a control.
Inventor(s):	Tessari Eben, Paolini John
Assignee:	Regeneron Pharmaceuticals, Inc.
Application Number:	US16143391
Patent Claims:

Details for Patent 11,026,997

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Kiniksa Pharmaceuticals (uk), Ltd.	ARCALYST	rilonacept	For Injection	125249	February 27, 2008	11,026,997	2038-09-26
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 11,026,997

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Country	Patent Number	Estimated Expiration
World Intellectual Property Organization (WIPO)	2019067639	⤷ Get Started Free
United States of America	2024293510	⤷ Get Started Free
United States of America	2023346887	⤷ Get Started Free
United States of America	2023012740	⤷ Get Started Free
United States of America	2022409699	⤷ Get Started Free
United States of America	2022072102	⤷ Get Started Free
United States of America	2021283224	⤷ Get Started Free
>Country	>Patent Number	>Estimated Expiration

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