Activity of Oxaliplatin in Patients With Relapsed or Cisplatin-Refractory Germ Cell Cancer: A Study of the German Testicular Cancer Study Group

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Abstract
PURPOSE: To investigate the efficacy and toxicity of oxaliplatin, a diaminocyclohaxane platinum derivative with incomplete cross-resistance to cisplatin in patients with relapsed or cisplatin-refractory germ cell cancer. PATIENTS AND METHODS: Thirty-two patients with nonseminomatous cisplatin-refractory germ cell cancer or relapsed disease after high-dose chemotherapy (HDCT) plus autologous stem-cell support were treated with single-agent oxaliplatin 60 mg/m2 on days 1, 8, and 15 repeated every 4 weeks (group 1; n = 16) or oxaliplatin 130 mg/m2 given on days 1 and 15 of a 4-week cycle (group 2; n = 16). Patients were pretreated with a median of seven (range, three to 13) cisplatin-containing treatment cycles; 78% had received carboplatin/etoposide-based HDCT before oxaliplatin therapy. Twenty-seven patients (84%) were considered refractory (n = 20; 63%) or absolutely refractory (n = 7; 22%) to cisplatin therapy. RESULTS: Overall, four patients achieved a partial remission (13%; 95% confidence interval, 1%...

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