Interesting, it is immune-based. If you google the name you will find quite a few references. Here is one in the New England Journal of Medicine.

http://www.nejm.org/doi/full/10.1056/NEJMoa1305133

Best wishes!
Maria


CG to husband - SCC Tonsil T1N2M0 HPV+ Never Smoker
First symptoms 7/2010, DX 12/2010
TX 40 IRMT (1.8 gy) + 10 Cetuximab
PET Scans 6/2011 + 3/2012 clear, 5 year physical exam clear; chest CT's clear of cancer. On thyroid pills. Life is good.