Af de 722 patienter i studiet havde hovedparten HER2- negativ sygdom (90%), mens der var et lille antal patienter med ukendt (8%) eller bekræftet HER2- positiv status (2%), som tidligere var blevet behandlet med eller som blev betragtet som uegnede til trastuzumab- terapi.
Of the 722 patients in the study, the majority of patients had HER2-negative disease (90%), with a small number of patients with unknown (8%) or confirmed HER2-positive status (2%), who had previously been treated with or were considered unsuitable for trastuzumab therapy.