Treatment strategies for recurrent ovarian cancer in older adult patients in Japan: a study based on real-world data

Journal of Cancer Research and Clinical Oncology
Mayumi Kobayashi KatoKenji Tamura

Abstract

Elderly patients with cancer are often at risk for undertreatment because of frailty, an aging-specific problem. However, current real-world conditions of recurrent ovarian cancer treatment in elderly patients remain unclear. This study aimed to clarify treatment patterns in elderly patients with recurrent ovarian cancer. We used an ovarian cancer database containing the diagnosis and initial therapy of all patients at the National Cancer Center Hospital in Japan from 2007 to 2014. Patients were stratified into the platinum-sensitive group and the platinum-resistant group. We retrospectively assessed chemotherapy use in patients aged ≤ 64, 65-69, 70-74, 75-79, and ≥ 80 years. Among 253 patients (sensitive group: 135; resistant group: 118), by age group 91%, 95%, 100%, 100%, and 100% received chemotherapy in the sensitive group, and 79%, 67%, 50%, 29%, 0% received chemotherapy in the resistant group, respectively. In the resistant group, the percentage of patients aged 70-74 or 75-79 years who received chemotherapy was significantly lower than the percentage among patients aged ≤ 64 years, respectively (p = 0.01, p = 0.01). In multivariate analysis, age ≥ 70 years (odds ratio [OR], 4.412; 95% confidence interval (CI), 1.628-11.9...Continue Reading

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