De hyppigst rapporterede, alvorlige bivirkninger (> 2%), der blev observeret i det pivotale studie (AZA PH GL 2003 CL 001) samt i de understøttende studier (CALGB 9221 og CALGB 8921) omfattede febril neutropeni (8, 0%) og anæmi (2, 3%).
The most common serious adverse reactions (> 2%) noted from the pivotal study (AZA PH GL 2003 CL 001) and also reported in the supporting studies (CALGB 9221 and CALGB 8921) included febrile neutropenia (8.0%) and anaemia (2.3%).