Validation of the Functional Assessment of Cancer Therapy-Ovarian (FACT-O) Symptom Index (FOSI) in a phase II clinical trial of pertuzumab in patients with advanced ovarian cancer

16021 Background: The FOSI is a very brief(8-item) index derived from the FACT-O to measure symptom response to treatment for ovarian cancer(OC). We evaluated its performance in a single arm Phase ...