Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Reexamination Certificate
2005-01-04
2005-01-04
Wilson, James O. (Department: 1623)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
C536S018200, C536S051000, C536S112000, C536S123100, C530S300000
Reexamination Certificate
active
06838450
ABSTRACT:
A drug complex characterized in that a residue of a drug compound such as antineoplastic agents and a carboxy(C1-4)alkyldextran polyalcohol obtained by treating a dextran under conditions that enable substantially complete polyalcoholization are bound to each other by means of a spacer comprising an amino acid or a spacer comprising peptide-bonded 2 to 8 amino acids. Said complex is characterized in that it has excellent selectivity to tumorous sites so as to exhibit high antineoplastic activity and also achieves reduced appearance of toxicity.
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Ikeda Masahiro
Inoue Kazuhiro
Kuga Hiroshi
Kumazawa Eiji
Susaki Hiroshi
Daiichi Pharmaceutical Co., LTD
Drug Delivery System Institute, Ltd.
Greenblum & Bernstein P.L.C.
McIntosh III Traviss C.
Wilson James O.
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