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Medline ® Abstract for Reference 54

of '转移性黑素瘤的分子靶向治疗'

54
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Phase II Trial of Temozolomide and Sorafenib in Advanced Melanoma Patients with or without Brain Metastases.
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Amaravadi RK, Schuchter LM, McDermott DF, Kramer A, Giles L, Gramlich K, Carberry M, Troxel AB, Letrero R, Nathanson KL, Atkins MB, O'Dwyer PJ, Flaherty KT
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Clin Cancer Res. 2009;15(24):7711.
 
PURPOSE: The combination of the oral alkylating agent temozolomide and the oral multikinase inhibitor sorafenib was evaluated in advanced melanoma patients. EXPERIMENTAL DESIGN: Patients with metastatic melanoma (n = 167) were treated on four arms. All patients received sorafenib at 400 mg p.o. twice daily without interruption. Patients without brain metastases or prior temozolomide were randomized between arm A: extended dosing of temozolomide (75 mg/m(2) temozolomide daily for 6 of every 8 weeks) and arm B: standard dosing (150 mg/m(2) temozolomide daily for 5 of every 28 days). Patients previously treated with temozolomide were enrolled on arm C: extended dosing of temozolomide. Patients with brain metastases and no prior temozolomide were assigned to arm D: standard dosing. The primary end point was 6-month progression-free survival (PFS) rate. Secondary end points included response rate, toxicity rates, and the rates of BRAF or NRAS mutations. RESULTS: The 6-month PFS rate for arms A, B, C, and D were 50%, 40%, 11%, and 23%. The median PFS for patients on arm A, B, C, and D was 5.9, 4.2,2.2, and 3.5 months, respectively. No significant differences were observed between arms A and B in 6-month PFS rate, median PFS, or response rates. Treatment was well tolerated in all arms. No significant differences in toxicity were observed between arms A and B except for more grade 3 to 4 lymphopenia in arm A. CONCLUSION: Temozolomide plus sorafenib was well tolerated and showed activity in melanoma patients without prior history of temozolomide. The activity of this combination regimen warrants further investigation. (Clin Cancer Res 2009;15(24):7711-8).
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Authors' Affiliations: Abramson Cancer Center at the University of Pennsylvania and Department of Medicine, Division of Medical Genetics, University of Pennsylvania, Philadelphia, Pennsylvania; and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
PMID