The effort to find and apply medically relevant biomarkers got a kick-start in Spring 2003 when The Boston Globe profiled the remarkable story of a Mrs. R, a 45-year-old nurse and mother who had been diagnosed in November 2002 with a fast-acting fatal form of lung cancer. Six months after diagnosis, following treatment with AstraZeneca PLC 's gefitinib (Iressa), she was not only surviving but in complete remission and living a nearly normal life.
Daniel Haber, MD, PhD, director of the Massachusetts General Hospital Cancer Center and chairman of the cancer genetics program at...