Treatment for Ovarian Cancer (OLALA Trial)

This is an observational and sample collection study involving patients (alive or deceased) from several clinical trials who had received the investigational drug, olaparib in other research studies. There is no intervention given for this study. This research is being done to understand of the mechanisms involved in patients whose cancer responds well and whose cancer does not respond well to investigational drug, olaparib, to help better understand how olaparib works and to better identify patients who may benefit from this therapy.