Antibody calicheamicin conjugates

A - Human Necessities – 61 – K

Patent

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A61K 47/48 (2006.01)

Patent

CA 2559658

Anti-Lewis Y antibodies are described. Methods for preparing monomeric cytotoxic drug/carrier conjugates with a drug loading significantly higher than in previously reported procedures and with decreased aggregation and low conjugate fraction (LCF) are described. Cytotoxic drug derivative/antibody conjugates, compositions comprising the conjugates and uses of the conjugates are also described. Specifically, monomeric calicheamicin derivative/anti- Lewis Y antibody conjugates, compositions comprising the conjugates and uses of the conjugates are also described.

L'invention concerne des anticorps anti-Lewis Y. L'invention concerne également des méthodes de préparation de conjugués de supports/médicaments cytotoxiques monomériques présentant une charge médicamenteuse significativement plus élevée que dans l'état antérieur de la technique, ainsi qu'une agrégation réduite et une fraction conjuguée faible (LCF). L'invention concerne en outre des conjugués d'anticorps/dérivés médicamenteux cytotoxiques, des compositions comprenant lesdits conjugués ainsi que des utilisations desdits conjugués. L'invention concerne de manière spécifique des conjugués d'anticorps anti-Lewis Y/dérivés de calichéamicine monomériques, des compositions comprenant lesdits conjugués ainsi que des utilisations desdits conjugués.

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