Predictors of survival in patients with recurrent ovarian cancer undergoing secondary cytoreductive surgery based on the pooled analysis of an international collaborative cohort

R. Y. Zang, P. Harter, D. S. Chi, J. Sehouli, R. Jiang, C. G. Tropé, A. Ayhan, G. Cormio, Y. Xing, K. M. Wollschlaeger, E. I. Braicu, C. A. Rabbitt, H. Oksefjell, W. J. Tian, C. Fotopoulou, J. Pfisterer, A. Du Bois, J. S. Berek

Research output: Contribution to journalArticle

82 Scopus citations

Abstract

Background: This study aims to identify prognostic factors and to develop a risk model predicting survival in patients undergoing secondary cytoreductive surgery (SCR) for recurrent epithelial ovarian cancer. Methods: Individual data of 1100 patients with recurrent ovarian cancer of a progression-free interval at least 6 months who underwent SCR were pooled analysed. A simplified scoring system for each independent prognostic factor was developed according to its coefficient. Internal validation was performed to assess the discrimination of the model. Results: Complete SCR was strongly associated with the improvement of survival, with a median survival of 57.7 months, when compared with 27.0 months in those with residual disease of 0.1-1 cm and 15.6 months in those with residual disease of > 1 cm, respectively (P<0.0001). Progression-free interval (≤23.1 months vs >23.1 months, hazard ratio (HR): 1.72; score: 2), ascites at recurrence (present vs absent, HR: 1.27; score: 1), extent of recurrence (multiple vs localised disease, HR: 1.38; score: 1) as well as residual disease after SCR (R1 vs R0, HR: 1.90, score: 2; R2 vs R0, HR: 3.0, score: 4) entered into the risk model. Conclusion: This prognostic model may provide evidence to predict survival benefit from secondary cytoreduction in patients with recurrent ovarian cancer.

Original languageEnglish (US)
Pages (from-to)890-896
Number of pages7
JournalBritish Journal of Cancer
Volume105
Issue number7
DOIs
StatePublished - Sep 27 2011

Keywords

  • ovarian cancer
  • pooled analysis
  • recurrence
  • surgery
  • survival

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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