A composition for treating cancer comprising an anti-tumorally effective
amount of a product comprising at least one transduction inhibitor of
heterotrimeric G protein signals and at least one other anti-cancer agent
selected from the group consisting of prenyltransferase inhibitors, taxol
and its analogues, gemcitabine and camptothecin and its analogues,
administered simultaneously, separately or spread over a period of time
and a pharmaceutical carrier.