To determine if eribulin mesylate, up to a maximum dose of 1.4 mg/m2 day 1 and 8 of a 21 day cycle, can be safely combined with full dose cetuximab for patients with advanced head and neck cancer and colon cancer
The purpose of this study is to determine if the full dose of eribulin mesylate can be safely given with the full dose of cetuximab. The activity of the combination of eribulin mesylate and cetuximab on recurrent head and neck cancer and colon cancer will also be assessed.