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Clinical Trial Summary

Over the last decade, improvements in the investigators' understanding of the molecular basis of cancer have led to the clinical development of protein kinase inhibitors, which target pivotal molecules involved in intracellular signaling pathways implicated in tumorigenesis and tumor progression. Lapatinib is an oral selective and reversible inhibitor of the tyrosine kinase domain of epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor type 2 (HER-2), which are both frequently altered in human malignant tumors. Sorafenib is an oral multi-kinase inhibitor with a dual-action that prevents tumor cell proliferation and angiogenesis. The investigators suggest that through a complete blockade of ErbB signaling network it may be possible to ''sensitize'' tumor cells to antiangiogenic therapy, by lowering the tumor cell survival threshold, while through inhibition of vascular endothelial growth factor (VEGF) pathway to circumvent the problem of acquired resistance to EGFR inhibitors. Based on this theoretical rationale we decide to test the combination of Lapatinib and Sorafenib. This phase I trial will be undertaken to assess the maximum dose tolerated (MTD), safety/tolerability, pharmacokinetics and antitumor efficacy of this combination in patients with advanced, recurrent or metastatic solid cancers refractory to available standard treatment.


Clinical Trial Description

This is a dual-agent, prospective, open-label, multi-centric, phase I trial of combination of Lapatinib and Sorafenib in patients with locally advanced, recurrent or metastatic solid tumors. This trial will be conducted to determine the maximum tolerated dose (MTD), safety/tolerability, pharmacokinetics, and antitumor activity of these two agents given together on a continuous schedule, in patients with advanced solid tumors.

Our ambition is to recommend a safe dose regimen of the combination for subsequent larger phase II studies, coinciding with the maximum tolerated dose (MTD).

The maximum tolerated dose (MTD), will be defined as the highest dosage cohort at which no more than one of six patients will be experienced a DLT in the first treatment cycle.

Eligible patients will be enrolled and treated according to the schema, using a 3+3 design (Fibonacci method modified); ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00984425
Study type Interventional
Source Istituto Clinico Humanitas
Contact
Status Completed
Phase Phase 1
Start date September 2009
Completion date August 2013

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