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Last Updated: February 25, 2020

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Patent: 8,563,269

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Summary for Patent: 8,563,269
Title:Modified antibody compositions, methods of making and using thereof
Abstract: The present disclosure provides modified antibodies which contain an antibody or antibody fragment (AB) modified with a masking moiety (MM). Such modified antibodies can be further coupled to a cleavable moiety (CM), resulting in activatable antibodies (AAs), wherein the CM is capable of being cleaved, reduced, photolysed, or otherwise modified. AAs can exhibit an activatable conformation such that the AB is more accessible to a target after, for example, removal of the MM by cleavage, reduction, or photolysis of the CM in the presence of an agent capable of cleaving, reducing, or photolysing the CM. The disclosure further provides methods of making and using such modified antibodies and activatable antibodies.
Inventor(s): Stagliano; Nancy E. (Santa Barbara, CA), West; James W. (Santa Barbara, CA), Kamath; Kathryn (Santa Barbara, CA), Bessette; Paul H. (Camarillo, CA), Gluck; Frederick W. (Santa Barbara, CA), Sagert; Jason (Santa Barbara, CA), Daugherty; Patrick (Santa Barbara, CA)
Assignee: CytomX Therapeutics, Inc. (South San Francisco, CA)
Application Number:13/315,623
Patent Claims:see list of patent claims

Details for Patent 8,563,269

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Imclone ERBITUX cetuximab VIAL; INTRAVENOUS 125084 001 2004-06-18   Start Trial CytomX Therapeutics, Inc. (South San Francisco, CA) 2029-01-12 RX Orphan search
Amgen VECTIBIX panitumumab INJECTABLE; IV (INFUSION) 125147 001 2006-09-27   Start Trial CytomX Therapeutics, Inc. (South San Francisco, CA) 2029-01-12 RX search
Amgen VECTIBIX panitumumab INJECTABLE; IV (INFUSION) 125147 002 2006-09-27   Start Trial CytomX Therapeutics, Inc. (South San Francisco, CA) 2029-01-12 RX search
Amgen VECTIBIX panitumumab INJECTABLE; IV (INFUSION) 125147 003 2006-09-27   Start Trial CytomX Therapeutics, Inc. (South San Francisco, CA) 2029-01-12 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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