Antibodies that combine monoclonal antibodies with human progressina (HPG); including the components of this antibody; methods of coding this antibody by polynucleotide, vectors, cells and sterility; methods of obtaining antibodies; treatment of colorectal cancer by antibodies; tools for detecting HPG.Anticuerpo monoclonal que se une a progastrina humana (HPG); composición que comprende dicho anticuerpo; polinucleótido, vector, célula e hibridoma que codifican dicho anticuerpo; método para obtener anticuerpo; uso del anticuerpo para tratar cáncer colorrectal; kit para detectar HPG.