The invention discloses a combined antitumor
drug. The combined antitumor
drug comprises an antiangiogenic
drug, a drug used for inhibiting tumor
cell proliferation, and an amphiphilic high molecular material; the antiangiogenic drug is a
prodrug of
Combretastatin A4, and the drug used for inhibiting tumor
cell proliferation is a
camptothecin antitumor drug. The invention also discloses a combined antitumor drug
nanoparticle preparation, a preparation method, and applications. It is shown by
cytotoxicity test that the combined antitumor drug
nanoparticle preparation is capable of inhibiting proliferation of tumour
cell HT-29 and human
umbilical vein vascular endothelial cells (HUVEC) obviously, and
dose-dependent relationship is detected; it is confirmed by scratch injury experiments and lumen formation experiments that the combined antitumor drug
nanoparticle preparation is capable of inhibiting migration of HUVEC and vascularization; compared with single medication systems, the combined antitumor drug nanoparticle preparation possesses excellent tumor killing effect
in vivo, clinical application value is high, and application prospect is promising.