Mom's Story, A Child Learns About MS

Mom's Story, A Child Learns About MS
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Sunday, June 18, 2017

New Research on Lemtrada Reveals Insights into the Cause of Potential Side Effects



Researchers in the U.K. have evaluated additional findings about the immune-system impacts of Lemtrada® (alemtuzimab, Sanofi Genzyme), a disease-modifying therapy for treating people with relapsing MS.
The team used data from phase 3 clinical trials submitted to the European Medicines Agency during the drug’s successful approval process. Some of this data was previously reported at medical meetings and in Lemtrada’s prescribing information.
Among their findings, they report that Lemtrada caused long-term reduction of specific immune cells (memory B and T cells, including regulatory T cells). They also found that the body rapidly repopulated an overabundance of immature B cells.
They propose that the blockade of memory B and T cells drives the beneficial effects of Lemtrada.  
They also speculate that the known potential side effect for autoimmune thyroid disease and other autoimmune disorders may be triggered by the overabundance of immature B cells that occurs when there are few regulatory T cells to keep them in check.
Studies like this one, which reveal more information about a therapy’s mode of action, are important and may also lead to insights about how to reduce side effects.
Drs. Klaus Schmierer, David Baker and others at the Queen Mary University of London report their findings in JAMA Neurology, published online June 12, 2017. 
Read the open-access paper in JAMA Neurology
Read about Lemtrada
Read more about treating MS

Lemtrada is a registered trademark of Sanofi Genzyme
 

Sunday, June 11, 2017

Dawson's Fingers ???




"Dawson's fingers" is the name for the lesions around the ventricle-based brain veins of patients with multiple sclerosis. The condition is thought to be the result of inflammation or mechanical damage by blood pressure around long axis of medular veins.
Dawson's fingers spread along, and from, large periventricular collecting veins, and are attributed to perivenular inflammation. 
Lesions far away from these veins are known as Steiner's splashes
Sometimes experimental autoimmune encephalomyelitis has been triggered in humans by accident or medical mistake. The damage in these cases fulfils all the pathological diagnostic criteria of MS and can therefore be classified as MS in its own right. The lesions were classified as pattern II in the Lucchinetti system. This case of human EAE also showed Dawson fingers.