Paclitaxel-containing high-dose chemotherapy for relapsed or refractory testicular germ cell tumours |
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Authors: | McNeish I A Kanfer E J Haynes R Giles C Harland S J Driver D Rustin G J S Newlands E S Seckl M J |
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Affiliation: | Department of Medical Oncology, Imperial College School of Medicine, Charing Cross Hospital, Fulham Palace Road, London W6 8RF, UK. |
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Abstract: | High-dose regimes containing etoposide, carboplatin and an oxazaphospharine can salvage 30-40% of patients with relapsed or refractory male germ cell tumours (GCTs). The additional benefit of paclitaxel in such high-dose therapy has not been tested. Between March 1995 and November 2002, 36 male GCT patients were treated with Carbop-EC-T (paclitaxel 75 mg x m(-2), etoposide 450 mg x m(-2), carboplatin AUC 10 on days -7, -5 and -3 and cyclophosphamide 60 mg x kg(-1) on days -5 and -3) followed by peripheral blood stem cell infusion (day 0). The 1-year overall survival rate for all patients is 67% (median follow-up 29 months). For the 24 patients with cisplatin-sensitive disease, the 1-year overall and event-free survivals are 88 and 64%, respectively. For those with cisplatin refractory or absolutely refractory disease, the 1-year overall survival is 25%. In all, 12 patients relapsed at a median duration of 5 months, 11 of whom have died. There were also six treatment-related deaths, five associated with pneumonitis. Pulmonary toxicity has been reported with paclitaxel in other high-dose regimes. Since altering our protocol so that paclitaxel is infused over 24 h with steroid prophylaxis, only one of 18 patients (13 testicular GCTs and five other tumour types) has had a treatment-related death. Our results suggest that Carbop-EC-T may enable a greater proportion of patients with relapsed and refractory GCTs to enter long-term remission. |
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Keywords: | Germ cell tumour paclitaxel high-dose chemotherapy cisplatin resistance |
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