A phase III trial of adjuvant chemotherapy following chemoradiation as primary treatment for locally advanced cervical cancer compared to chemoradiation alone: Outback (ANZGOG0902/GOG0274/RTOG1174).

TPS5632 Background: Cervical cancer is a global health problem and the most common cause of cancer-related death among women in developing nations. Despite the recently developed cervical cancer vaccine, many women will continue to die from cervical cancer for many decades unless existing treatments can be improved. Unscreened women often present with locally-advanced disease that has a 5-year overall survival (OS) rate of 60% or less following standard chemo-radiation. Although some evidence suggests that adjuvant chemotherapy following chemo-radiation may be of value, its role remains controversial. Methods: OUTBACK is a randomised phase III Gynecologic Cancer InterGroup (GCIG) trial designed and led by the Australia New Zealand Gynaecological Oncology Group (ANZGOG) in collaboration with the NHMRC Clinical Trials Centre. Participating countries (groups) include Australia & New Zealand (ANZGOG), the USA (GOG, RTOG), Saudi Arabia, and Canada (RTOG). OUTBACK is suitable for women with locally advanced cer...