Cancer gene mutation more complex than previously thought: study | Reuters

"LONDON | Thu Mar 8, 2012 3:31am IST
 

(Reuters) - Taking a sample or biopsy from just one part of a tumor might not give a full picture of its genetic diversity and may explain why doctors, despite using genetically targeted drugs, are often unable to save patients whose cancer has spread, scientists said.
A study by British researchers found there are more genetic differences than similarities between biopsies taken from separate areas of the same tumor, and yet further gene differences in samples taken from secondary tumors......

MuGard (oral mucositis - U.S.) Access Pharma Initiates US MuGard Sampling Program with Leading Oncology Groups - MarketWatch

"...Sampling efforts for the company include providing large oncology groups with MuGard kits containing six weeks' worth of MuGard therapy for patients undergoing radiation and chemotherapy. Through these oncology groups, Access Pharma initially will provide 500 patients throughout 20 top metropolitan areas full courses of therapy to protect them from oral mucositis."