As of January 1, 2013, all of the 21 people (100 percent) with no symptoms at the time of PML diagnosis were living, compared to 77 percent of the people with symptoms at the time of diagnosis. "These results suggest that the consequences of PML infection can be mitigated by early detection of the disease," said Dong-Si.
Natalizumab is generally prescribed for people who have not responded to or cannot tolerate other treatments for MS.
The study was supported by Biogen Idec Inc. and Elan Pharmaceuticals.
Learn more about multiple sclerosis at http://www.aan.com/patients.The American Academy of Neurology, an association of more than 25,000 neurologists and neuroscience professionals, is dedicated to promoting the highest quality patient-centered neurologic care. A neurologist is a doctor with specialized training in diagnosing, treating and managing disorders of the brain and nervous system such as Alzheimer's disease, stroke, migraine, multiple sclerosis, brain injury, Parkinson's disease and epilepsy. For more information about the American Academy of Neurology, visit http://www.aan.com or find us on Facebook, Twitter, Google+ and YouTube. SOURCE American Academy of Neurology