期刊
CLINICAL CANCER RESEARCH
卷 18, 期 21, 页码 6032-6039出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1078-0432.CCR-12-1841
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类别
资金
- NIH [U01 CA062399]
- Merck
- UpToDate
- DEMOS Publishers
- Genentech
- Celgene
- Schering
- Abbott
- Campus Bio
- Eisai
- GSK
- Merck/Schering-Plough
- Novartis
- Kyowa Hakko Kirin Pharma
- Keryx
- Sigma Tau
- Amgen
- AstraZeneca
- Esai
- Sanofi-Aventis
- Genzyme
- Medimmune
- Vascular Biogenics
Purpose: A phase I, dose-finding study of vorinostat in combination with temozolomide (TMZ) was conducted to determine the maximum tolerated dose (MTD), safety, and pharmacokinetics in patients with high-grade glioma (HGG). Experimental Design: This phase I, dose-finding, investigational study was conducted in two parts. Part 1 was a dose-escalation study of vorinostat in combination with TMZ 150 mg/m(2)/day for 5 days every 28 days. Part 2 was a dose-escalation study of vorinostat in combination with TMZ 150 mg/m(2)/day for 5 days of the first cycle and 200 mg/m(2)/day for 5 days of the subsequent 28-day cycles. Results: In part 1, the MTD of vorinostat administered on days 1 to 7 and 15 to 21 of every 28-day cycle, in combination with TMZ, was 500 mg daily. Dose-limiting toxicities (DLT) included grade 3 anorexia, grade 3 ALT, and grade 5 hemorrhage in the setting of grade 4 thrombocytopenia. In part 2, the MTD of vorinostat on days 1 to 7 and 15 to 21 of every 28-day cycle, combined with TMZ, was 400 mg daily. No DLTs were encountered, but vorinostat dosing could not be escalated further due to thrombocytopenia. The most common serious adverse events were fatigue, lymphopenia, thrombocytopenia, and thromboembolic events. There were no apparent pharmacokinetic interactions between vorinostat and TMZ. Vorinostat treatment resulted in hyperacetylation of histones H3 and H4 in peripheral mononuclear cells. Conclusion: Vorinostat in combination with temozolomide is well tolerated in patients with HGG. A phase I/II trial of vorinostat with radiotherapy and concomitant TMZ in newly diagnosed glioblastoma is underway. Clin Cancer Res; 18(21); 6032-9. (C) 2012 AACR.
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