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  • Title: Long-term survival of patients with recurrent or refractory germ cell tumors after high dose chemotherapy.
    Author: Beyer J, Kingreen D, Krause M, Schleicher J, Schwaner I, Schwella N, Huhn D, Siegert W.
    Journal: Cancer; 1997 Jan 01; 79(1):161-8. PubMed ID: 8988741.
    Abstract:
    BACKGROUND: The optimal treatment of patients with recurrent or refractory germ cell tumors is still a debated topic. High dose chemotherapy (HDCT) with autologous stem cell rescue (ASCR) might be promising for intensification of first or subsequent salvage treatment. However, the long-term results of this approach remain largely unknown. METHODS: Between August 1989 and September 1992, 74 patients with recurrent and/or refractory germ cell tumors were treated in a Phase I/II trial with HDCT consisting of carboplatin (1500-2000 mg/m2), etoposide (1200-2400 mg/m2), and ifosfamide (0-10 g/m2). In September 1995 all patients were reevaluated to determine overall response, late toxicities, and survival. RESULTS: Two patients died from treatment-related toxicity shortly after HDCT, and 47 had recurrence or progression of disease after a median of 3 months (range, 1-44 months). Of these latter patients, three were living continuously disease free at the conclusion of this study after a second HDCT regimen, salvage surgery, or chronic oral etoposide treatment. The results were an overall survival of 38% (95% confidence interval, 27-50%) and a failure free survival of 31% (95% confidence interval, 21-43%) at 5 years. There were no long-term survivors among patients whose disease progressed while they were receiving conventional doses of cisplatin before HDCT. Late toxicities consisted mainly or renal impairment (in 21% of patients), paresthesias (in 29%), and ototoxicity (in 18%). CONCLUSIONS: HDCT can be curative for patients with germ cell tumors who do not become disease free after conventional dose chemotherapy but respond to this treatment.
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