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• W1461993479 abstract "Refractory anaplastic oligodendroglioma and oligoastrocytoma tumors are challenging to treat. This trial primarily evaluated toxicity and estimated the maximum tolerated dose of intra-arterial (IA) melphalan, IA carboplatin, and intravenous (IV) etoposide phosphate in conjunction with blood-brain barrier disruption in these tumors. The secondary measure was efficacy.Thirteen patients with temozolomide-refractory anaplastic oligodendroglioma (11 patients) or oligoastrocytoma (2 patients) underwent blood-brain barrier disruption with carboplatin (IA, 200 mg/m(2)/d), etoposide phosphate (IV, 200 mg/m(2)/d), and melphalan (IA, dose escalation) every 4 weeks, for up to 1 year. Patients underwent melphalan dose escalation (4, 8, 12, 16, and 20 mg/m(2)/d) until the maximum tolerated dose (1 level below that producing grade 4 toxicity) was determined. Toxicity and efficacy were assessed.Two of 4 patients receiving IA melphalan at 8 mg/m(2)/d developed grade 4 thrombocytopenia; thus, the melphalan maximum tolerated dose was 4 mg/m/d. Adverse events included asymptomatic subintimal tear (1 patient) and grade 4 thrombocytopenia (3 patients). Two patients demonstrated complete response, 3 had partial responses, 5 demonstrated stable disease, and 3 progressed. Median overall progression-free survival was 11 months. Patients with complete or partial response demonstrated deletion of chromosomes 1p and 19q. In the 5 patients with stable disease, 2 demonstrated 1p and 19q deletion, and 3 demonstrated 19q deletion only.In patients with anaplastic oligodendroglioma or oligoastrocytoma tumors in whom temozolomide treatment has failed, osmotic blood-brain barrier disruption with IA carboplatin, IV etoposide phosphate, and IA melphalan (4 mg/m(2)/d for 2 days) shows acceptable toxicity and encouraging efficacy, especially in patients demonstrating 1p and/or 19q deletion." @default.
• W1461993479 created "2016-06-24" @default.
• W1461993479 creator A5002906664 @default.
• W1461993479 creator A5005017243 @default.
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• W1461993479 creator A5036957749 @default.
• W1461993479 creator A5056406270 @default.
• W1461993479 creator A5062539451 @default.
• W1461993479 date "2010-01-01" @default.
• W1461993479 modified "2023-10-12" @default.
• W1461993479 title "Intra-arterial chemotherapy with osmotic blood-brain barrier disruption for aggressive oligodendroglial tumors: results of a phase I study." @default.
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