CYTOTOXIC AGENTS COMPRISING NEW ANSAMITOCIN DERIVATIVES

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United States of America Patent

APP PUB NO 20160058882A1
SERIAL NO

14719753

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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New ansamitocin derivatives bearing a linking group are disclosed. Also disclosed are methods for the synthesis of these new ansamitocin derivatives and methods for their linkage to cell-binding agents. The ansamitocin derivative-cell-binding agent conjugates are useful as therapeutic agents, which are delivered specifically to target cells and are cytotoxic. These conjugates display vastly improved therapeutic efficacy in animal tumor models compared to the previously described agents.

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Patent Owner(s)

Patent OwnerAddress
IMMUNOGEN INC830 WINTER STREET WALTHAM MA 02451

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chari, Ravi VJ Newton, US 94 914
Widdison, Wayne C Belmont, US 37 927
Wilhelm, Sharon D Arlington, US 5 137

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