Phase II trial of pyrazoloacridine in patients with cisplatin-refractory germ cell tumors

Thirteen patients with cisplatin-refractory germ cell tumors were treated on a Phase II trial with pyrazoloacridine. Pyrazoloacridine was given intravenously at 600 mg/m2 every three weeks. The median nadir leucocyte count was 2.5 cells/mm3, hemoglobin was 10.8 g/dl, and platelet count was 126,000 cells/m3. None of the thirteen evaluable patients achieved a major response. Pyrazoloacridine is not efficacious in the treatment of cisplatin-refractory germ cell tumors.