August 23, 2019 – Progressive multifocal leukoencephalopathy (PML) is a rare and often fatal viral disease characterized by progressive damage or inflammation of the white matter of the brain at multiple locations (i.e., multifocal). It is caused by the JC virus, after …

Therapies that promote progressive multifocal leukoencephalopathy (PML) Read more »

August 06, 1015 – The American Food and Drug Administration (FDA) has just issued a warning that a case of definite progressive multifocal leukoencephalopathy (PML) and a case of probable PML have been reported in patients taking Fingolimod (Gilenya) for …

Fingolimod (Gilenya): Warning about rare cases of progressive multifocal leukoencephalopathy (PML) Read more »

July 04, 2010 – The arthritis pill Rofecoxib [Vioxx] was withdrawn from the market but menopause hormones were not, even though both were tied to heart risks. A multiple sclerosis medicine was pulled and later allowed back on. So, when …

When is a drug too risky to stay on the market? Read more »