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The effect of temozolomide-based chemotherapy in patients with cerebral metastases from melanoma.


Posted on: 08/22/2004

The effect of temozolomide-based chemotherapy in patients with cerebral metastases from melanoma.

Melanoma Research. 14(4):289-294, August 2004.

Bafaloukos, Dimitros a; Tsoutsos, Dimosthenis b; Fountzilas, Georges c; Linardou, Helen a; Christodoulou, Christos d; Kalofonos, Haralambos P. e; Briassoulis, Erangelos f; Panagiotou, Petros b; Hatzichristou, Helen a; Gogas, Helen g Abstract:

Cerebral metastases from melanoma are correlated with a poor prognosis. Temozolomide is an oral alkylating agent that can cross the blood-brain barrier and in phase II and III trials, patients with advanced metastatic melanoma achieved overall response rates of 13 to 21%. The present study evaluated the efficacy and toxicity of temozolomide-based chemotherapy in patients with cerebral metastases from melanoma. Twenty-five patients (median age 48 years) with histologically confirmed stage IV melanoma and cerebral metastases treated with temozolomide-based chemotherapy. 10 patients received temozolomide plus docetaxel, nine patients temozolomide plus cisplatin and six patients temozolomide as single agent. Six patients achieved an objective response (24%). All responses were partial. The disease was stable in five patients (20%) and 13 patients progressed (52%). The median response duration was 6.9 months (range 1.8 to 16 months). The median time to progression (TTP) for all patients was 2 months, compared with a median TTP of 3.9 months, among responders and a median TTP of 1.8 months, for patients who remained stable or progressed (P<0.0001). The median survival time for the entire patient population was 4.7 months. The median survival for responders was 5.5 months and for non-responders was 3.6 months. The difference was statistically significant (P<0.05). The toxicity was mild. The most frequently reported adverse event were myelotoxicity and nausea and vomiting. Four patients developed grade 3/4 leukopenia, two grade 4 neutropenia, and one patient developed grade 3 thrombocytopenia. There was no treatment discontinuation caused by toxicity. Temozolomide-based chemotherapy may have a role in patients with cerebral metastases from melanoma. Further exploration is required. Toxicity was manageable.

(C) 2004 Lippincott Williams & Wilkins, Inc.


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