A Phase I study of intracarotid cis-diamminedichloroplatinum was performed in 11 patients with intracerebral tumors (five glioblastoma, four melanoma, one meningeal sarcoma, and one lung carcinoma) progressing after radiation ± chemotherapy. The internal carotid artery was temporarily cannulated by a percutaneous transfemoral approach. All patients received i.v. heparin, mannitol, and fluids; seven received dexamethasone, 50 mg i.v., twice the day before and the day of treatment. Intracarotid cis-diamminedichloroplatinum, 60 to 100 mg/sq m in 175 to 250 ml 0.45% NaCl solution with 1000 units heparin, was infused over 1 hr. Six patients received two or more courses (maximum of 6) at 2- to 8-week intervals. Gastrointestinal toxicity was mild to moderate. Ototoxicity was minor. Central nervous system (CNS) toxicity was focal, severe, permanent, and possibly due to embolus in one patient at 75 mg/sq m; focal and reversible in one patient at 100 mg/sq m; and generalized but reversible in one patient at 75 mg/sq m. Possible CNS toxicity was noted in two additional patients. Two patients with CNS toxicity developed permanent ipsilateral retinal toxicity, and one patient without CNS toxicity developed bilateral decreased visual and auditory acuity 2 weeks after his sixth treatment. Renal and hematological toxicity and orbital pain were mild. Response status included: early death, one; probable responses, six (2+, 4+, 6, 6+, 8, and 8+ months); stabilization, two (3+ and 4 months); and failure, two. We recommend cis-diamminedichloroplatinum (60 mg/sq m) every 2 to 4 weeks for Phase II studies. Severe CNS and retinal toxicity are possible.


Supported in part by Grant CA-14528 from the National Cancer Institute, NIH, Bethesda, Md. Presented at the 72nd Annual Meeting of the American Association for Cancer Research, Washington, D. C., April 28, 1981.

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