Immunostimulant bacterial membrane fractions in cancer treatment

摘要

The invention concerns the use of a membrane fraction of gram-negative bacteria, in particular Klebsiella pnemoniae for preparing a pharmaceutical composition that is immunostimulant and/or capable of inducing an antitumoral immune response, designed in particular for treating and preventing cancers. The invention further comprises methods for preparing said membrane factions and pharmaceutical compositions containing them, in particular combined with anticancer compounds.