http://www.cnn.com/2009/HEALTH/02/20/ra ... index.html
The Food and Drug Administration cited three confirmed cases, and a possible fourth, of people diagnosed with progressive multifocal leukoencephalopathy (PML) after being treated with Raptiva.
"Three of those patients have died," the FDA said in a public health advisory. "All four patients were treated with the drug for more than three years."
None was receiving other treatments that suppress the immune system.
Raptiva's product labeling ...