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  • Title: Retrospective Analysis of Patients with Advanced Liposarcoma in a Tertiary Referral Center.
    Author: Langmans C, Cornillie J, van Cann T, Wozniak A, Hompes D, Sciot R, Debiec-Rychter M, Vandenbempt I, Schöffski P.
    Journal: Oncol Res Treat; 2019; 42(7-8):396-404. PubMed ID: 31170709.
    Abstract:
    BACKGROUND: Liposarcoma (LPS) is a common subtype of soft tissue sarcoma. We describe the clinical outcome of patients with advanced LPS treated in a tertiary referral center and explore potential prognostic factors. PATIENTS AND METHODS: We retrospectively reviewed the records of patients with inoperable or metastatic dedifferentiated liposarcoma (DDLPS), myxoid/round cell liposarcoma (MLPS), and pleomorphic liposarcoma (PLPS) diagnosed and/or treated at the University Hospitals Leuven, Leuven, Belgium, between 2000 and 2014. RESULTS: We identified 100 patients with LPS (67 DDLPS, 25 MLPS, and 8 PLPS). Median overall survival from diagnosis of inoperable or metastatic disease was 13.0 months, without substantial variation between histological subtypes. Sixty-seven patients were treated with systemic chemotherapy. The most common first-line chemotherapeutic agents used were doxorubicin (n = 32), doxorubicin + alkylating agent (n = 16), and trabectedin (n = 5). Best response upon first-line treatment was partial/complete response, stable disease, or progressive disease in 17, 25, and 46% of patients, respectively. On multivariate analysis, metastasectomy and objective response or stable disease achieved with first-line chemotherapy were indicators for better overall survival. CONCLUSION: The LPS subtypes analyzed have a poor prognosis and low response rates to chemotherapy. The prognostic factors identified support the concept of offering systemic chemotherapy to patients with inoperable, advanced disease and of considering metastasectomy in eligible patients.
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