polymeric nanoparticles comprising poly (butyl cyanoacrylate) or poly (epsilon caprolactone) for use in therapy

polymeric nanoparticles comprising poly (butyl cyanoacrylate) or poly (caprolactone} {ep) for use in therapy. # The present invention relates to nanoparticles extended release of active ingredients, the use of such nanoparticles in therapy, preferably for treatment antitumor, and the method of synthesis of said nanoparticles.