PHARMACEUTICAL FORMULATIONS COMPRISING LABDANES FOR THE TREATMENT OF TUMORS OR LEUKEMIAS

摘要

The present invention relates to novel compositions based on hydrated lipidic lamellar phases or liposomal compositions, prepared by combining different lipid molecules, synthetic and/or from natural sources, said compositions comprising at least one of a) labd-13-ene-8 alpha , 15-diol and/or derivatives thereof; b) labd-14-ene-8, 13-diol or derivatives thereof; c) 3 beta -hydroxy-labd-14-ene-8, 13-epoxy and/or derivatives thereof; d) a plant extract containing the aforementioned labdenes or derivatives thereof. The compositions of the invention exhibit cytotoxicity against cancerous cells and are utilized for the treatment of tumors and leukemias.