The present disclosure relates to the synergistic liposomal formulation comprising, phophatidylcholine, stearylamine and anticancer drugs for the treatment of cancer. The PC:SA cationic liposome encapsulated camptothecin (CPT) and doxorubicin (DOX) formulations show enhanced synergistic anti-cancer effect and provide improved therapeutic index as compared to either the liposome or drug alone. The present disclosure also relates to the use of Cationic liposomal preparation of phosphatidylcholine:stearylamine (PC:SA) showing anticancer effect. The SA-bearing liposome and drug entrapped in the liposome are effective against cancer both in vitro and in vivo, without causing any adverse effect on host.
