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Publication Abstract

Authors: Garg G, Yee C, Schwartz K, Mutch DG, Morris RT, Powell MA

Title: Patterns of care, predictors, and outcomes of chemotherapy in elderly women with early-stage uterine carcinosarcoma: a population-based analysis.

Journal: Gynecol Oncol 133(2):242-9

Date: 2014 May

Abstract: OBJECTIVE: To examine the patterns of care, predictors, and impact of chemotherapy on survival in elderly women diagnosed with early-stage uterine carcinosarcoma. METHODS: The Surveillance, Epidemiology, and End Results (SEER)-Medicare database was used to identify women 65 years or older diagnosed with stage I-II uterine carcinosarcomas from 1991 through 2007. Multivariable logistic regression and Cox-proportional hazards models were used for statistical analysis. RESULTS: A total of 462 women met the eligibility criteria; 374 had stage I, and 88 had stage II uterine carcinosarcomas. There were no appreciable differences over time in the percentages of women administered chemotherapy for early stage uterine carcinosarcoma (14.7% in 1991-1995, 14.9% in 1996-2000, and 17.9% in 2001-2007, P=0.67). On multivariable analysis, the factors positively associated with receipt of chemotherapy were younger age at diagnosis, higher disease stage, residence in the eastern part of the United States, and lack of administration of external beam radiation (P<0.05). In the adjusted Cox-proportional hazards regression models, administration of three or more cycles of chemotherapy did not reduce the risk of death in stage I patients (HR: 1.45, 95% CI: 0.83-2.39) but was associated with non-significant decreased mortality in stage II patients (HR: 0.83, 95% CI: 0.32-1.95). CONCLUSIONS: Approximately 15-18% of elderly patients diagnosed with early-stage uterine carcinosarcoma were treated with chemotherapy. This trend remained stable over time, and chemotherapy was not associated with any significant survival benefit in this patient population.

Last Modified: 03 Sep 2013