Patent number: 10576164
Abstract: Conjugate compounds of formula (A): wherein: R2 is where R36a and R36b are independently selected from H, F, C1-4 saturated alkyl, C2-3 alkenyl, which alkyl and alkenyl groups are optionally substituted by a group selected from C1-4 alkyl amido and C1-4 alkyl ester; or, when one of R36a and R36b is H, the other is selected from nitrile and a C1-4 alkyl ester; R6 and R9 are independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, NO2, Me3Sn and halo; R7 is independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, NO2, Me3Sn and halo; Y is selected from formulae A1, A2, A3, A4, A5 and A6: L is a linker connected to a cell binding agent; CBA is the cell binding agent; n is an integer selected in the range of 0 to 48; RA4 is a C1-6 alkylene group; either (a) R10 is H, and R11 is OH, ORA, where RA is C1-4 alkyl; or (b) R10 and R11 form a nitrogen-carbon double bond between the nitrogen and carbon atoms to which they are bound; or (c) R10 is H and R11 is OSOzM, wher
Type:
Grant
Filed:
October 17, 2017
Date of Patent:
March 3, 2020
Assignees:
MedImmune Limited, Genentech, Inc.
Inventors:
Philip Wilson Howard, John A. Flygare, Thomas Pillow, Binqing Wei
Patent number: 10556968
Abstract: The present disclosure provides anti-CD73 binding molecules, e.g., antibodies and antigen binding fragments thereof. Also provided are pharmaceutical formulations comprising the disclosed compositions, and methods for the diagnosis and treatment of diseases associated with CD73-expression, e.g., cancer. Such diseases can be treated, e.g., by direct therapy with the anti-CD73 binding molecules disclosed herein (e.g., naked antibodies or antibody-drug conjugates that bind CD73), by adjuvant therapy with other antigen-binding anticancer agents such as immune checkpoint inhibitors (e.g., anti-CTLA-4 and anti-PD-1 monoclonal antibodies), and/or by combination therapies where the anti-CD73 molecules are administered before, after, or concurrently with chemotherapy.
Type:
Grant
Filed:
April 4, 2019
Date of Patent:
February 11, 2020
Assignee:
MEDIMMUNE LIMITED
Inventors:
Carl Hay, Kris Sachsenmeier, Erin Sult, Qihui Huang, Peter Pavlik, Melissa Damschroder, Li Cheng, Gundo Diedrich, Jonathan Rios-Doria, Scott Hammond, Ralph Minter, Steve Rust, Sandrine Guillard, Robert Hollingsworth, Lutz Jermutus, Nicholas Durham, Ching Ching Leow, Mary Antonysamy, James Geoghegan, Xiaojun Lu, Kim Rosenthal