Efficacy of hyperthermic intraperitoneal chemotherapy plus cytoreductive surgery for advanced or recurrent ovarian cancer: a systematic evaluation and meta-analysis

H. Li, L.-J. Liao

Gynecology Department, Longyan First Affiliated Hospital of Fujian Medical University, Longyan, China. liaolanjin007@163.com

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• Oncology
• Surgery

OBJECTIVE: This meta-analysis was performed to investigate the safety and efficacy of hyperthermic intraperitoneal chemotherapy (HIPEC) combined with cytoreductive surgery (CRS) in the treatment of advanced or recurrent ovarian cancer.

MATERIALS AND METHODS: An electronic search of databases, including PubMed, Embase, Cochrane, Medline, and Web of Science, was performed to collect controlled studies on HIPEC combined with CRS administered for advanced ovarian cancer. Meta-analysis was conducted based on the outcome indicators extracted from the included studies, including disease-free survival (DFS), overall survival (OS), and adverse events (AEs).

RESULTS: Twelve pieces of literature were included, involving 1,622 participants, with 694 participants in the control group and 928 in the study group. In terms of DFS, the pooled hazard ratio (HR) was 0.70 (95% CI: 0.58, 0.84), with an HR of 0.77 (95% CI: 0.64, 0.93) in the treatment-naïve subgroup and an HR of 0.54 (95% CI: 0.40, 0.74) in the secondary cytoreduction subgroup. In terms of OS, the pooled HR was 0.63 (95% CI: 0.52, 0.77), with an HR of 0.67 (95% CI: 0.54, 0.83) in the treatment-naïve subgroup and an HR of 0.47 (95% CI: 0.29, 0.77) in the secondary cytoreduction subgroup. With regard to AEs, the pooled odds ratio (OR) was 0.79 (95% CI: 0.68, 0.92).

CONCLUSIONS: The benefits of CRS plus HIPEC for the management of advanced ovarian cancer are significant but also associated with an increased risk of adverse events. Thus, clinical use of this co-administration requires caution.

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