Last updated on April 2018

A RANDOMIZED PHASE 3 TRIAL OF TRC105 AND PAZOPANIB VERSUS PAZOPANIB ALONE IN PATIENTS WITH ADVANCED ANGIOSARCOMA


Brief description of study

This is a study of TRC105 in combination with standard dose pazopanib compared to single agent pazopanib in patients with angiosarcoma not amenable to curative intent surgery (e.g., metastatic or bulky disease, and disease for which surgical resection would carry an unacceptable risk to the patient) who have not received pazopanib or TRC105 previously.

Detailed Study Description

TRC105 (carotuximab) is a monoclonal antibody to endoglin (CD105), an essential angiogenic target highly expressed on tumor vessels that is distinct from VEGFR. Endoglin is also expressed directly on tumor cells in angiosarcoma and is upregulated following VEGF inhibition. TRC105 inhibits angiogenesis, tumor growth and metastases in preclinical models and complements the activity of bevacizumab and multi-kinase inhibitors that target the VEGFR.

Pazopanib is an oral inhibitor of multiple receptor tyrosine kinases, including vascular endothelial growth factor receptor (VEGFR)-1, VEGFR-2, and VEGFR-3 at therapeutic plasma concentrations. These receptors are implicated in pathologic angiogenesis, tumor growth, and cancer progression.

By targeting a non-VEGF pathway that is upregulated following VEGF inhibition, TRC105 has the potential to complement VEGFR tyrosine kinase inhibitors (TKIs) and could represent a major advance in the treatment of angiosarcoma. Together, the use of TRC105 with pazopanib may result in more effective angiogenesis inhibition and improved clinical efficacy over that seen with pazopanib alone.

Clinical Study Identifier: NCT02979899

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TRACON Clinical Trials

Fondazione IRCCS Istituto Nazionale dei Tumori
Milano, Italy
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