期刊
CLINICAL CANCER RESEARCH
卷 17, 期 4, 页码 849-860出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1078-0432.CCR-10-2144
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资金
- EntreMed, Inc. [NCT00658671]
- Colorado State University
Purpose: ENMD-2076 is a unique orally bioavailable Aurora kinase and VEGFR inhibitor. The purpose of this phase 1 study of ENMD-2076 was to determine the MTD, pharmacokinetic, and pharmacodynamic profiles and preliminary antitumor activity. Experimental Design: Patients with refractory advanced solid malignancies were treated with ENMD-2076 orally with continuous once daily dosing. Doses from 60 to 200 mg/m(2) were evaluated using a standard 3 (to 4) + 3 design. Pharmacokinetic parameters were studied on days 1, 28, and 30 to 35 of cycle 1. Expanded MTD cohorts included patients with ovarian cancer, colorectal cancer, and refractory solid tumors. Results: A total of 67 patients (46 F, 21M; ages 30-76) entered the study. Dose levels of 60, 80, 120, 200, and 160 mg/m(2) were evaluated. Two patients experienced grade 3 hypertension at 200 mg/m(2), and additional grade 3 neutropenia events limited tolerability at this dose. An intermediate dose of 160 mg/m(2) was determined to be the MTD. The most common drug-related adverse events included hypertension, nausea/vomiting, and fatigue. The pharmacokinetics of ENMD-2076 were characterized by a rapid absorption phase (T-max 3-7.8 hours), a t(1/2) of 27.3 to 38.3 hours after a single dose, and dose proportional exposure. Decreased plasma sVEGFR2 was observed posttreatment. Two patients with platinum refractory/resistant ovarian cancer had RECIST partial responses. Conclusions: ENMD-2076 was well tolerated, had a linear pharmacokinetic profile, and showed promising antitumor activity, particularly in ovarian cancer. The recommended phase 2 dose of ENMD-2076 is 160 mg/m(2) administered orally once daily with continuous dosing. Clin Cancer Res; 17(4); 849-60. (C) 2010 AACR.
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