CONJUGATION METHODS

This invention describes a method of conjugating a cell binding agent such as an antibody with an effector group (e.g., a cytotoxic agent) or a reporter group (e.g., a radionuclide), whereby the reporter or effector group is first reacted with a bifunctional linker and the mixture is then used witho...

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Bibliographic Details
Main Authors Rajeeva SINGH R, Ravi V.J. CHARI RVJ, Brenda A. KELLOGG BA
Format Patent
LanguageChinese
English
Published 18.11.2016
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:This invention describes a method of conjugating a cell binding agent such as an antibody with an effector group (e.g., a cytotoxic agent) or a reporter group (e.g., a radionuclide), whereby the reporter or effector group is first reacted with a bifunctional linker and the mixture is then used without purification for the conjugation reaction with the cell binding agent. The method described in this invention is advantageous for preparation of stably-linked conjugates of cell binding agents, such as antibodies with effector or reporter groups. This conjugation method provides in high yields conjugates of high purity and homogeneity that are without inter-chain cross-linking and inactivated linker residues.
Bibliography:Application Number: HK20160104543