Changes in Blood Magnesium Levels Predict Response to Erbitux

Hypomagnesemia, or reduced magnesium levels, is a side effect of Erbitux® (cetuximab) treatment.  Patients with colorectal cancer whose blood magnesium dropped the fastest also had the best response to Erbitux given with Camptosar® (irinotecan) . Italian researchers measured magnesium levels for 68 patients before treatment began and then 6 hours, 1 7, 14, 21, 50, and…  Read More