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Samuels BL , Chawla S , Patel S , von Mehren M , Hamm J , Kaiser PE , Schuetze S , Li J , Aymes A , Demetri GD
Clinical outcomes and safety with trabectedin therapy in patients with advanced soft tissue sarcomas following failure of prior chemotherapy: results of a worldwide expanded access program study
Ann Oncol. 2013 Jun;24(6) :1703-9
PMID: 23385197 URL: https://www.ncbi.nlm.nih.gov/pubmed/23385197
AbstractBACKGROUND: This expanded access program (EAP) was designed to provide trabectedin access for patients with incurable soft tissue sarcoma (STS) following progression of disease with standard therapy. The outcomes of trial participants accrued over approximately 5 years are reported. PATIENTS AND METHODS: Adult patients with advanced STS of multiple histologies, including leiomyosarcoma and liposarcoma (L-sarcomas), following relapse or disease progression following standard-of-care chemotherapy, were enrolled. Trabectedin treatment cycles (1.5 mg/m(2), intravenously over 24 h) were repeated q21 days. Objective response, overall survival (OS), and safety were evaluated. RESULTS: Of 1895 patients enrolled, 807 (43%) had evaluable objective response data, with stable disease reported in 343 (43%) as best response. L-sarcoma patients exhibited longer, OS compared with other histologies [16.2 months (95% confidence interval (CI) 14.1-19.5) versus 8.4 months (95% CI 7.1-10.7)], and a slightly higher objective response rate [6.9% (95% CI 4.8-9.6) versus 4.0% (95% CI 2.1-6.8)]. The median treatment duration was 70 days representing a median of three treatment cycles; 30% of patients received >/= 6 cycles. Safety and tolerability in this EAP were consistent with prior clinical trial data. CONCLUSION: Results of this EAP are consistent with previous reports of trabectedin, demonstrating disease control despite a low incidence of objective responses in advanced STS patients after failure of standard chemotherapy. CLINICALTRIALS.GOV: NCT00210665.
NotesSamuels, B L Chawla, S Patel, S von Mehren, M Hamm, J Kaiser, P E Schuetze, S Li, J Aymes, A Demetri, G D eng Clinical Trial Research Support, Non-U.S. Gov't England Ann Oncol. 2013 Jun;24(6):1703-9. doi: 10.1093/annonc/mds659. Epub 2013 Feb 5.