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- W1993070111 abstract ". Trope C, Kaern J, Hogberg T, Abeler V, Hagen B, Kristensen G, Onsrud M, Pettersen E, Rosenberg P, Sandvei R, Sundfor K, Vergote I. Randomized study on adjuvant chemotherapy in stage I high-risk ovarian cancer with evaluation of DNA-ploidy as prognostic instrument.Purpose. Adjuvant chemotherapy versus observation and chemotherapy at progression was evaluated in 162 patients in a prospective randomized multicenter study.Patients and Methods. Patients received adjuvant carboplatin AUC 7 every 28 days for six courses (n=81) or no adjuvant treatment (n=81). Eligibility included surgically staged and treated patients with FIGO stage I disease, grade 1 aneuploid or grade 2 or 3 non-clear cell carcinomas or clear cell carcinomas. Disease-free (DFS) and disease-specific (DSS) survival were end-points.Results. Median follow-up time was 46 months and progression was observed in 20 patients in the treatment group and 19 in the control group. Estimated 5 year DFS and DSS were 70% and 86% in the treatment group and 71% and 85% in the control group. The hazard ratio was 0.98 (95% CI 0.52-1.83) regarding DFS and 0.94 (95% CI 0.37-2.36) regarding DSS. No significant differences in DFS or DSS could be seen when the log-rank test was stratified for prognostic variables. Therefore, data from both groups were pooled for the analysis of prognostic factors. DNA-ploidy (p=0.003), extracapsular growth (p=0.005), tumor rupture (p=0.04), and WHO histologic grade (p=0.04) were significant independent prognostic factors for DFS with p<0.0001 for the model in the multivariate Cox Analysis. FIGO substage (p=0.01), DNA ploidy (p<0.05), and histologic grade (p=0.05) were prognostic for DSS with a p-value for the model <0.0001.Conclusion. Due to the small number of patients the study was inconclusive as regards the question of adjuvant chemotherapy. The survival curves were superimposable, but with wide confidence intervals. DNA-ploidy adds objective independent prognostic information regarding both DFS and DSS in early ovarian cancer." @default.
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- W1993070111 date "2001-07-01" @default.
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- W1993070111 title "Randomized study on adjuvant chemotherapy in stage I high-risk ovarian cancer with evaluation of DNA-ploidy as prognostic instrument" @default.
- W1993070111 doi "https://doi.org/10.1046/j.1525-1438.2001.11(suppl.1)sup1020.x" @default.
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