Title: A retrospective analysis of antitumour activity with trabectedin in translocation-related sarcomas
Authors: Cesne, Axel Le ×
Cresta, Sara
Maki, Robert G
Blay, Jean Yves
Verweij, Jaap
Poveda, Andrés
Casali, Paolo G
Balaña, Carme
Schöffski, Patrick
Grosso, Federica
Lardelli, Pilar
Nieto, Antonio
Alfaro, Vicente
Demetri, George D #
Issue Date: Nov-2012
Publisher: Pergamon
Series Title: European Journal of Cancer vol:48 issue:16 pages:3036-3044
Abstract: AIMS: Approximately 20% of soft tissue sarcomas (STS) have subtype-specific chromosomal translocations; these generate chimeric oncoproteins which can act as abnormal transcription factors. Since trabectedin can bind to DNA and displace transcription factors, antitumour activity was explored in translocation-related sarcoma (TRS) subtypes. METHODS: The current retrospective pooled analysis includes data from 81 patients with TRS treated in 8 phase II trials. RESULTS: TRS subtypes were: synovial sarcoma (SS, n=45), myxoid-round cell liposarcoma (MRC-L-sarcoma, n=27), alveolar soft part sarcoma (ASPS, n=4), endometrial stromal sarcoma (ESS, n=3) and clear cell sarcoma (CCS, n=2). All but one patient had received prior chemotherapy (median of 2 lines). Patients received a median of 4 trabectedin cycles (range, 1-48; median dose intensity=0.40mg/m(2)/week). Partial responses according to Response Evaluation Criteria in Solid Tumours (RECIST) occurred in 8 patients (ORR=10%; 95% CI, 4-19%): four in MRC-L-sarcoma; three in SS and one in ESS. Tumour control rate (ORR plus stable disease) was 59% (95% CI, 48-70%). Median PFS was 4.1months (6-month PFS rate=40%). Median overall survival was 17.4months (survival rate at 12months=60%). Trabectedin had a manageable safety profile. CONCLUSION: Trabectedin demonstrates encouraging disease control in TRS. Since these promising results were generally noted in patients following chemotherapy, a phase III randomised trial in first-line is ongoing to compare trabectedin with doxorubicin-based chemotherapy in patients with TRS.
ISSN: 0959-8049
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Experimental Oncology
× corresponding author
# (joint) last author

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