Amgen Again Challenges Colo. Price Cap For Arthritis Drug

By Hailey Konnath · October 31, 2025, 10:37 PM EDT

Amgen has once again sued Colorado over its price cap for the arthritis drug Enbrel, claiming that the Centennial State's drug price-control statute violates the U.S. Constitution, conflicts with federal patent...

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Case Information

Case Title

Amgen Inc. et al v. Mizner et al

Case Number

1:25-cv-03452

Court

Colorado

Nature of Suit

Constitutionality of State Statutes

Date Filed

October 30, 2025