OCEANIA: real-world study of ovarian cancer treatment patterns across multiple lines of therapy in Argentina and Brazil.

To evaluate real-world data on treatment patterns in Argentina and Brazil in patients with ovarian cancer. This study evaluated de-identified antineoplastic exposure data from a private healthcare provider in Argentina and health claims database (Orizon) in Brazil from 2010 to 2019 and 2015 to 2020, respectively. Platinum-based chemotherapy was the most common first-line therapy (Argentina: n =311 [87.