Protein-drug conjugates comprising camptothecin analogs and methods of use thereof
AssigneeRegeneron Pharmaceuticals, Inc.
InventorAmy Han
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Abstract
Described herein are protein-drug conjugates and compositions thereof that are useful, for example, for target-specific delivery of therapeutic moieties, e.g., camptothecin analogs and/or derivatives. In certain embodiments, provided are specific and efficient methods for producing protein-drug constructs (e.g., antibody-drug conjugates) utilizing a combination of transglutaminase and 1,3-cycloaddition techniques. Camptothecin analogs, antibody-drug conjugates, and compositions which comprise glutaminyl-modified antibodies and camptothecin analog payloads and are provided.
Claims2
A compound of Formula:
- or a pharmaceutically acceptable salt thereof.
A compound having a structure according to Formula (P-I):
- wherein R1, R2, R3, and R4 are independently a hydrogen or a C1-C4 alkyl, or wherein R2 and R3 form a 5-membered or a 6-membered ring,
- or a pharmaceutically acceptable salt thereof, wherein the compound is not
Dependencies are inferred from the claim text.