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  • Title: Adjuvant platinum-based chemotherapy in patients with epithelial ovarian cancer: prognostic factors and final outcome.
    Author: Grivas A, Lianos E, Internos I, Papaxoinis G, Tselepatiotis E, Ziras N, Athanasiou AE.
    Journal: J BUON; 2010; 15(4):647-51. PubMed ID: 21229624.
    Abstract:
    PURPOSE: epithelial ovarian cancer (OVCA) prognosis depends on the clinical stage, histological grade and surgical cytoreduction. Our goal was to retrospectively analyze several prognostic factors in relation with the final outcome in patients with OVCA subjected to adjuvant platinum (PL)- based chemotherapy (CT). METHODS: three hundred OVCA patients were treated at the Department of Medical Oncology A', "Metaxa" Cancer Hospital, between 11/1989-3/2010. Of those, analyzed were patients with R0 debulking operation, treated with adjuvant PL-based CT. Their clinico/imaging/pathological findings and serum tumor marker CA 125 levels were analyzed and related to relapse rate (RR), progression-free survival (PFS) and overall survival (OS). RESULTS: out of 53 R0 OVCA patients 35 (66%) experienced long-term PFS (median follow up time 63 months, range 5-195(+)) and 18 (34%) relapsed after a median of 19 months. Fifteen of the 18 relapsing patients were treated with first-line CT. Twelve (80%) of them were PL-sensitive and 3 (20%) PL-resistant. Their median PFS was 9 and 3 months in PL-sensitive and PL-resistant cases, respectively (p=0.073). Statistical analysis of prognostic factors demonstrated FIGO stage and abnormal postoperative CA 125 values as significant. Patients with FIGO stage III had significantly shorter PFS (p=0.002) and OS (p=0.078) than those in earlier stages, and patients with abnormal postoperative CA 125 values had significantly worse PFS (p=0.017) but not OS (p=0.386) than those with normal values. Age, histological subtype and grade did not affect PFS and OS. CONCLUSION: FIGO stage and abnormal postoperative CA 125 have prognostic significance in OVCA patients after R0 surgical therapy and adjuvant PL-based CT. Patients with PL-sensitive disease achieved better results during therapy for relapse.
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