USE OF N-HYDROXYSUCCINIMIDE TO IMPROVE CONJUGATE STABILITY

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United States of America Patent

APP PUB NO 20140350228A1
SERIAL NO

14365305

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Abstract

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The invention provides processes for manufacturing cell-binding agent-cytotoxic agent conjugates of improved stability in the presence of exogenous NHS. In some embodiments, the inventive process comprises the addition of a molar ratio of exogenous NHS with respect to the amount of NHS generated during the modification reaction as a result of hydrolysis/aminolysis of the bifunctional linker.

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IMMUNOGEN INCMASSACHUSETTS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amphlett, Godfrey W Cambridge, US 11 247
Liu, Fang Lexington, US 264 1213
Meshulam, Deborah H Brookline, US 9 207

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