Efficacy of Gemcitabine-based Chemotherapy in Clear Cell Sarcoma of Soft Tissue.
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<h4>Background/aim</h4>Clear cell sarcoma (CCS) is an aggressive sarcoma subtype, resistant to conventional anthracycline-based chemotherapy and radiation. The diagnosis is often challenging due to similarities with malignant melanoma.<h4>Patients and methods</h4>We aimed to analyse the activity of gemcitabine-based chemotherapy in a cohort of patients with CCS treated at the Royal Marsden Hospital.<h4>Results</h4>Five patients with metastatic CCS received gemcitabine as first- or second-line systemic therapy. The median time-to-progression was 10 weeks. The median number of cycles of gemcitabine-based therapy was 3 (range=2-7 cycles). Median overall survival in our cohort was 66 months from the initial diagnosis but in the metastatic setting, the overall survival was reduced to 28 months.<h4>Conclusion</h4>Gemcitabine-based therapy has modest activity in CCS. There remains a significant unmet medical need for novel, effective therapies for this disease.
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Sarcoma, Clear Cell
Soft Tissue Neoplasms
Molecular and Systems Oncology
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Anticancer research, 2020, 40 (12), pp. 7003 - 7007