| 摘要 |
The present invention relates to pharmaceutical compositions comprising a targeting peptide, a protease specific cleavable peptide, and a chemotherapeutic drug that when conjugated are substantially inactive, but upon degradation of the cleavable sequence by a proteolytic enzyme abundant in or within the target cancer cell 5, the chemotherapeutic drug is released and becomes active, and to the use of these compositions for treatment of cancer. |
