Clin Cancer Res
September 2016
Purpose: To determine the dose-limiting toxicities (DLT), adverse events (AE), pharmacokinetics, and preliminary evidence of antitumor activity of CUDC-427 (formerly GDC-0917), a selective antagonist of inhibitor of apoptosis (IAP) proteins.
Experimental Design: Patients with advanced solid malignancies were treated with escalating doses of CUDC-427 orally on a daily 14-day on/7-day off schedule in 21-day cycles using a modified continuous reassessment method design. Blood samples were assayed to determine the pharmacokinetic properties, pharmacodynamic alterations of cellular IAP levels in peripheral blood mononuclear cells (PBMC), and monocyte chemoattractant protein-1 (MCP-1) levels.
Objectives: The study objectives were to evaluate the safety, tolerability, and preliminary efficacy of multiple doses of dulanermin in combination with modified FOLFOX6 and bevacizumab in previously untreated patients with locally advanced, recurrent, or metastatic colorectal cancer.
Patients And Methods: A total of 23 patients received dulanermin at dosages of 4.5 or 9 mg/kg/d given on days 1 to 3 of each 14-day cycle along with standard dosing of modified FOLFOX6 plus bevacizumab.
The application of modeling and simulation techniques is increasingly common in the preclinical stages of the drug development process. GDC-0917 [(S)-1-((S)-2-cyclohexyl-2-((S)-2-(methylamino)propanamido)acetyl)-N-(2-(oxazol-2-yl)-4-phenylthiazol-5-yl)pyrrolidine-2-carboxamide] is a potent second-generation antagonist of inhibitor of apoptosis (IAP) proteins that is being developed for the treatment of various cancers. GDC-0917 has low to moderate clearance in the mouse (12.
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