A Phase II Study of Dacomitinib in Progressive Brain Metastases

Status Terminated

Clinical Trial Summary

The purpose of this study is to determine the disease response, survival, and side effects of an experimental drug called dacomitinib in progressive brain metastases.

Clinical Trial Description

The purpose of this study is to investigate the use of the irreversible pan-ErB kinase inhibitor dacomitinib in the treatment of brain metastases, as measured by radiographic objective response rate.

The rationale of this study is three-fold. First, the use of dacomitinib, an irreversible pan-ErB kinase inhibitor, is to improve the duration of response seen by reversible, EGFR only inhibitors. Inhibition of the multiple ErB kinases may interfere with receptor cross-talk as a method of developing resistance; indeed, patients who have failed erlotinib treatment for systemic disease have seen responses to dacomitinib. The second rationale is to evaluate the pharmacokinetics of the penetration of dacomitinib into the CSF to determine if adequate drug levels reach the CNS, and determine if the current dosing regimen is appropriate. The third rationale is to determine if specific molecular phenotypes preferentially respond to dacomitinib. As part of this study, serum and cerebrospinal fluid will be collected and analyzed both for drug levels and for molecular markers to key elements of the ErB signaling cascade. The objective of the marker analysis to identify a distinct molecular phenotype that may preferentially respond to targeted drug therapy in the future. ;

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Brain Cancer

Clinical Trial Details

NCT number	NCT02047747
Study type	Interventional
Source	University of California, San Diego
Contact
Status	Terminated
Phase	Phase 2
Start date	February 2014
Completion date	February 2018

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