Platinum-based chemotherapy of high-risk stage I epithelial ovarian cancer following comprehensive surgical staging

Stephen C. Rubin, George Y.C. Wong, John P. Curtin, Richard R. Barakat, Thomas B. Hakes, William J. Hoskins

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52 Scopus citations

Abstract

Objective: To determine the long-term outcome in patients with high-risk stage I epithelial ovarian cancer treated with adjuvant platinum-based chemotherapy following comprehensive surgical staging. Methods: We conducted a retrospective review of 62 patients with stage IA and IB (grades 2 or 3) and stage IC (all grades) epithelial ovarian cancer treated with platinum-based chemotherapy following comprehensive surgical staging. Clinicopathologic correlations were performed using disease-free survival as the end point. Results: The mean patient age was 47 years. The distribution by stage was IA in 19 (31%), IB in four (6%), and IC in 39 (63%). Eighty percent of the patients had grade 2 or 3 tumors. The distribution by cell type was as follows: clearcell 22 (35%), endometrioid 15 (24%), mucinous 11 (18%), serous eight (13%), and undifferentiated six (10%). The patients underwent an average of six cycles of platinum-based therapy. With a median follow-up of 40 months among survivors, 15 patients (24%) have relapsed, at a median interval of 22 months from diagnosis. Relapses occurred primarily in the peritoneal cavity and retroperitoneal lymph nodes. No patient has been rendered free of disease after relapse. Patients with grade 3 tumors had an increased risk of relapse as compared to those with grade 1 or 2 tumors (46 versus 8%; P =.002). Patients with clear-cell tumors had a higher risk of relapse than those with other cell types (41 versus 15%; P =.05). There was no statistically significant relationship between risk of recurrence and substage. None of 11 patients with stage IA, grade 2 disease had recurrence. Actuarial 5-year disease-free survival for the entire group of 62 patients was 73%. Conclusion: Platinum-based chemotherapy for high-risk stage I ovarian cancer does not appear to improve survival over that previously reported with non-platinum regimens.

Original languageEnglish
Pages (from-to)143-147
Number of pages5
JournalObstetrics and Gynecology
Volume82
Issue number1
StatePublished - Jul 1993

Keywords

  • Adolescent
  • Adult
  • Aged
  • Carcinoma/drug therapy
  • Cisplatin/administration & dosage
  • Combined Modality Therapy
  • Female
  • Humans
  • Middle Aged
  • Ovarian Neoplasms/drug therapy
  • Platinum/administration & dosage
  • Retrospective Studies
  • Survival Rate

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