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Ewing Sarcoma Family of Tumors clinical trials

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NCT ID: NCT03542097 Completed - Clinical trials for Ewing Sarcoma Family of Tumors

Assessment of MGMT Promoter Methylation in Advanced Ewing Sarcoma Treated With Temozolomide and Irinotecan

MGMTLiberati
Start date: April 15, 2014
Phase:
Study type: Observational

This is a biological study in patients with advanced Ewing Sarcoma who received, according, clinical practice, temozolomide and irinotecan The O6-methylguanine-DNA methyltransferase (MGMT) methylation status, will be correlated with the disease clinical data and with the disease response

NCT ID: NCT03011528 Completed - Clinical trials for Ewing Sarcoma Family of Tumors

First-line Treatment of Ewing Tumours With Primary Extrapulmonary Dissemination in Patients From 2 to 50 Years

CombinaiR3
Start date: December 2016
Phase: Phase 2
Study type: Interventional

Ewing's sarcoma and related tumours (ESFT) are rare tumours, with a peak incidence in the second decade of life. They start most often from bone, and are characterized by a specific translocation involving the so-called EWS gene. In one patient out of three, the staging procedures detect metastatic tumours at the diagnosis, most commonly in lungs, bones, and bone marrow. ESFT treatment strategy is multidisciplinary, combining primary chemotherapy, a local treatment, and consolidation chemotherapy. The primary metastatic dissemination is the most important prognostic factor, as the survival rate is around 70-75% for localized tumours, in contrast with less than 50% for patients with primary metastatic disease. Among primary metastatic patients, bone involvement and / or bone marrow strike markedly the prognosis of these patients. While the long-term survival of patients with isolated pleural pulmonary metastases is approximately 50%, whereas it is only from 0 to 25% in patients with bone marrow involvement. In 1999, the Intergroup EURO EWING built a new study protocol for patients with Ewing tumours. For the patients with primary extrapulmonary metastatic Ewing tumours (R3 patients), the protocol proposed a heavy induction chemotherapy, in order to propose a consolidation with high dose chemotherapy to a higher rate of patients. The high-dose Busulfan Melphalan chemotherapy (BuMel) was based on Busulfan (600 mg/m²) and Melphalan (140 mg/m²), with autologous peripheral blood stem cell (PBSC) support. Of note, for the full population of patients with metastatic disease, the 3-year EFS rate was 27% (SD 3%), and the OS rate was 34% (SD 4%), with a median follow-up of 3.9 years after diagnosis, and a median survival time of 1.6 years.