New clinical trial Study to Evaluate the Efficacy and Safety of FOLFOX-4 Plus Cetuximab Versus UFOX Plus Cetuximab <A HREF="http://www.clinicaltrial.gov/ct/show/NCT00439517?order=2" target="_blank">http://www.clinicaltrial.gov/ct/show/NCT00439517?order=2</A>