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Macromol Biosci. 2013 Dec;13(12):1648-60. doi: 10.1002/mabi.201300288. Epub 2013 Sep 12.

HPMA copolymer conjugates of DOX and mitomycin C for combination therapy: physicochemical characterization, cytotoxic effects, combination index analysis, and anti-tumor efficacy.

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Institute of Macromolecular Chemistry Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky Sq. 2, 162 06, Prague 6, Czech Republic.


The synthesis, characterization and results of evaluation of the biological behavior of HPMA copolymer conjugates bearing anti-cancer drugs doxorubicin and mitomycin C are described. Two HPMA copolymer carrier types were synthesized: the linear copolymer and the biodegradable high-molecular-weight diblock copolymer containing a degradable disulfide bond. The polymer-drug conjugates incubated in buffers modeling the intracellular environment released the drugs more rapidly than those incubated in bloodstream conditions. Significant in vitro and in vivo antitumor synergistic activity of the conjugates in the treatment of EL-4 T-cell demonstrates their high potential for solid tumor treatment.


HPMA copolymers; Mitomycin C; combination therapy; doxorubicin; tumor treatment

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