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Neoadjuvant gemcitabine/treosulfan chemotherapy for newly diagnosed glioblastoma: a phase II study.


Posted on: 09/24/2002

J Neurooncol 2002 Sep;59(2):151-5 Related Articles, Links

Neoadjuvant gemcitabine/treosulfan chemotherapy for newly diagnosed glioblastoma: a phase II study.

Wick W, Hermisson M, Kortmann RD, Kuker WM, Duffner F, Dichgans J, Bamberg M, Weller M.

Department of Neurology, University of Tubingen Medical School, Germany.

The median survival for patients with glioblastoma is 12 months. The authors evaluated whether preirradiation gemcitabine/treosulfan (GeT) chemotherapy followed by standard radiotherapy improved outcome in patients with glioblastoma. Seventeen patients with newly diagnosed glioblastoma were enrolled in a prospective, unicenter trial of preirradiation GeT chemotherapy. Chemotherapy included up to 4 cycles of intravenous gemcitabine (1000 mg/m2 body surface) and treosulfan (3500 mg/m2 body surface) on days 1 and 8 of 28 days treatment cycles. Involved field radiotherapy (60 Gy in 30 fractions) was given after chemotherapy or earlier in the case of disease progression or drug intolerance. There was no specific treatment-related neurotoxicity reported, but in 3 of 17 patients (18%) chemotherapy was stopped because of World Health Organization (WHO) IV hematological toxicity. With GeT chemotherapy alone, there was a median progression-free survival of 12 weeks and a progression-free survival rate at 4 months of 29%. In 16 of 17 patients who subsequently received a full course of radiotherapy, the median progression-free survival from the time of diagnosis was 8 months, and the progression-free survival rate at 12 months was 25% (4 of 16 patients). The median overall survival was 12 months. Neither age nor extent of the residual postoperative tumor predicted the duration of progression-free survival after chemotherapy alone or after chemotherapy followed by radiotherapy. The combination of gemcitabine and treosulfan produced significant hematological toxicity in patients with newly diagnosed glioblastoma. The schedule used in the present study did not confer any significant survival advantage compared with standard involved field radiotherapy alone.

PMID: 12241108 [PubMed - in process]

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