MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202618074717 A) filed by Amgen Inc. on June 16, 2026, for Interleukin-21 Muteins And Methods Of Treatment.
Inventors include Ali, Khaled, M. K. Z.; Agrawal, Neeraj, Jagdish; Kannan, Gunasekaran; Foltz, Ian Number; Wang, Zhulun; Bates, Daren; Mock, Marissa Filed On; and Takenaka, Shunseke.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: Provided herein are IL-21 muteins and fusion proteins comprising the same for use in methods of treating a disease. Related conjugates, nucleic acids, vectors, host cells, pharmaceutical compositions and kits are also provided herein. 5 Methods of making the IL- 21 muteins and fusion proteins comprising the same, as well as methods of treating a subject in need thereof, are provided by the present disclosure. Further provided are PD-1 antigen-binding proteins
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