Hydroxycamptothecin (HCPT), an anticancer drug, has two chemical structure forms-lactone and carboxylic salt. Lots of literatures mentioned that the lactone form exhibited better therapeutic effect and less toxicity. Phytosome was the complex of drug and phospholipids, which formed vesicles spontaneously in water at high drug-lipid mass ratio. The objective of this study is to develop a good and stable injection of lactone HCPT-phytosome for intravenous administration.
Tetrahydrofuran was chosen as the ...