Psoriasis drug sickens patient

The FDA issued a warning yesterday confirming that another patient taking the psoriasis drug Raptiva developed a rare form of brain infection called progressive multifocal leukoencephalopathy (PML). The warning came after Genentech reported that a 47 year old man in Germany had been hospitalized for the infection. Two other patients--a 70 year old and a 73 year old--died of PML in October and November of last year. All of the patients who developed PML were taking the psoriasis drug for more th