Has pharmacogenomics arrived?

The FDA yesterday linkurl:updated the label;http://www.fda.gov/bbs/topics/NEWS/2007/NEW01684.html on a widely used blood thinner, warfarin, to include information about how a patient's genes will linkurl:predict response;http://www.the-scientist.com/article/display/14864/ to the drug. Patients with certain genetic variations should receive a lower dose of the drug, according to the added text. Although a handful of drugs already note such genetic information on their labels, most of these are