Oncotarget

Clinical Research Papers:

Clinical outcome and prognostic factors of patients with early-stage epithelial ovarian cancer

Wei Wei _, Ning Li, Yangchun Sun, Bin Li, Lily Xu and Lingying Wu

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Oncotarget. 2017; 8:23862-23870. https://doi.org/10.18632/oncotarget.13317

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Abstract

Wei Wei1, Ning Li1, Yangchun Sun1, Bin Li1, Lily Xu2 and Lingying Wu1

1 Department of Gynecologic Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China

2 Chemistry Department, Wellesley College, Wellesley, MA, USA

Correspondence to:

Lingying Wu, email:

Keywords: ovarian cancer, early-stage, prognosis, survival, recurrence

Received: September 09, 2016 Accepted: October 14, 2016 Published: November 11, 2016

Abstract

Some subsets of early stage ovarian cancer patients experience more recurrences than others. Studies on prognostics factors gave conflicting results. We investigated consecutive 221 patients with stage I/II ovarian cancer at our institution from 1999 to 2010. Univariate and multivariate analysis of progression free survival (PFS) and overall survival (OS) were performed. After a median follow-up of 79 months, the 5-year/10-year PFS and 5-year/10-year OS were 78% /76% and 90% /87% respectively. Multivariate analysis revealed that stage as the most prominent independent prognostic factor in terms of PFS (stage I vs stage IIA vs stage IIB, Hazard Ratio (HR): 1 vs 4 vs 6.1, P < 0.05) and OS (stage I vs stage II, HR: 1 vs 2.1, P < 0.05). Peritoneal biopsy reduced the risk of recurrence by 29% (95% CI: 0.15-0.58, P < 0.05). Ascites (HR = 2.8, 95% CI: 1.2-6.6, P < 0.05) and not the first-line chemotherapy (HR = 2.6, 95% CI: 1.1-6.5, P < 0.05) contributed to decreased OS. Overall, early-stage ovarian cancer had a favorable outcome, stage was the most powerful prognostic factor.


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