Primary Debulking Surgery Versus Neoadjuvant Chemotherapy in Advanced Epithelial Ovarian Cancer: A Propensity-matched Analysis

Aims: To compare the surgical and survival outcomes of patients undergoing primary debulking surgery (PDS) versus neoadjuvant chemotherapy (NACT) plus interval debulking surgery (IDS) for advanced epithelial ovarian cancer (EOC). Materials and Methods: Consecutive patients managed for advanced EOC since 2009 were matched through a propensity score analysis, defined as the probability of a woman having PDS or NACT plus IDS. Results: The study group consisted of 100 propensity-matched women receiving PDS or NACT plus IDS. Groups resulted homogeneous in terms of baseline characteristics and pathologic findings. Patients undergoing PDS had longer operative time (P=0.032) and more blood loss (P=0.011) than the counterpart receiving NACT. No differences were found in terms of residual disease (P=0.11), as well as in terms of hospitalization, intraoperative, and postoperative complications. The mean progression-free survival was 23.0 and 27.7 months (P=0.67), whereas the overall survival (OS) was 44.5 and 43.2 months (P=0.48) for the PDS and NACT plus IDS group, respectively. Residual disease (P

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