The invention relates to (5s,8s)-3-(4-chlor-3-fluor-4-methlybiphenyl-3-yl)-4-hydroxy-8 -methoxy-1-azaspiro[4.5]dec-3-en-2-one for therapeutic purposes, pharmaceutical agents, and the use thereof in treatment, in particular for the prophylaxis and treatment of tumor diseases.La invención se refiere a (5s,8s)-3-(4-cloro-3-fluoro-4-metilbif enil-3-iI)-4-hidroxi-8-metoxi-1-azaespiro[4.5]dec-3-en-2-ona para propósitos terapéuticos, a composiciones farmacéuticas y a su uso en terapia, en particular para la profilaxis y terapia de enfermedades tumorales.
