The document discusses the use of PARP inhibitors in the treatment and maintenance of epithelial ovarian cancer, highlighting their effectiveness in prolonging progression-free survival (PFS). It details various studies, including SOLO-1 and others, showing significant benefits of PARP inhibitors like olaparib and niraparib in patients with BRCA mutations and those with high-grade serous ovarian cancer. The challenges of recurrent disease and the importance of tailored maintenance strategies are also addressed.