Phase II Study of the Dual EGFR/HER3 Inhibitor Duligotuzumab (MEHD7945A) versus Cetuximab in Combination with FOLFIRI in Second-Line Wild-Type Metastatic Colorectal Cancer.

Duligotuzumab is a dual-action antibody directed against EGFR and HER3. Metastatic colorectal cancer (mCRC) patients with ex2 wild-type received duligotuzumab or cetuximab and FOLFIRI until progression or intolerable toxicity. Mandatory tumor samples underwent mutation and biomarker analysis.