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Eur J Cancer. 2000 Jan;36(1):61-7.

Effect of high-dose ifosfamide in advanced soft tissue sarcomas. A multicentre phase II study of the EORTC Soft Tissue and Bone Sarcoma Group.

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1
Centre for Bone and Soft Tissue Sarcomas, Aarhus University Hospital, Denmark. osn@onko.aau.dk

Abstract

In this phase II study the effect of high-dose ifosfamide (HDI) given as a 3-day continuous infusion at a dose of 12 g/m2 repeated every 4 weeks with adequate mesna protection and hydration was evaluated in patients with advanced soft tissue sarcomas. A total of 124 patients entered the trial of which 10 were ineligible. HDI was given both as first-line and second-line chemotherapy. Median age was 46 years (19-66 years). Median World Health Organization (WHO) performance status was 1 (0-1). Fifty two per cent of the patients were males. The predominant histology was leiomyosarcoma (33%). A maximum of six cycles was given. At the time of analysis 55 patients have died. The partial response (PR) rate was 16%. The median time to progression was 15 weeks. 8 of the 18 responding patients (44%) had synovial sarcomas, whereas only 5% of the patients having leiomyosarcomas responded. The grade 3 + 4 haematological toxicity encountered was neutrophils in 78% and platelets in 12%. The major grade 3 + 4 non-haematological toxicities encountered were febrile neutropenia in 39%, infection in 20%, and acute renal failure in 4%. In conclusion, it is possible to administer HDI on a multicentre basis, but the toxicity is substantial. HDI given as a continuous infusion at this dose cannot be recommended as the standard treatment of advanced soft tissue sarcomas, even in selected patients.

PMID:
10741296
[Indexed for MEDLINE]

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