The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 2019
Filed:
Mar. 16, 2016
Applicant:
Bristol-myers Squibb Company, Princeton, NJ (US);
Inventors:
John J. Engelhardt, Fremont, CA (US);
Alan J. Korman, Piedmont, CA (US);
Mark J. Selby, San Francisco, CA (US);
Assignee:
Bristol-Myers Squibb Company, Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K 16/28 (2006.01); A61K 39/395 (2006.01); C07K 16/32 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
C07K 16/2818 (2013.01); A61K 39/39558 (2013.01); C07K 16/32 (2013.01); A61K 2039/505 (2013.01); C07K 2317/21 (2013.01); C07K 2317/565 (2013.01); C07K 2317/76 (2013.01); C07K 2317/92 (2013.01); C07K 2317/94 (2013.01);
Abstract
The present invention provides anti-CTLA-4 antibodies having enhanced ADCC activity, and their use in treating cancer. In one embodiment, the anti-CTLA-4 antibody is ipilimumab, and ADCC activity is enhanced by introducing G236A, S239D, A330L and I332E mutations ('GASDALIE') into the Fc region of the heavy chain constant domain.