Når Herceptin blev anvendt i kombination med anastrozol, var den mediane progressionsfrie overlevelse 4, 8 måneder sammenlignet med 2, 4 måneder hos patienter, der fik anastrozol alene.
When Herceptin was used in combination with anastrozole, the median progression-free survival was 4.8 months, compared with 2.4 months in the patients taking anastrozole on its own.