New approach to fighting Alzheimer's shows potential in clinical trial
Nutrient mix shows promise in improving memory
In a clinical trial of 225 Alzheimer's patients, researchers found that a cocktail of three naturally occurring nutrients believed to promote growth of those connections, known as synapses, plus other ingredients (B vitamins, phosopholipids and antioxidants), improved verbal memory in patients with mild Alzheimer's.
"If you can increase the number of synapses by enhancing their production, you might to some extent avoid that loss of cognitive ability," says Richard Wurtman, the Cecil H. Green Distinguished Professor of Brain and Cognitive Sciences, who did the basic research that led to the new experimental treatment. He is an author of a paper describing the new results in the journal Alzheimer's and Dementia .
In animal studies, Wurtman has shown that these nutrients boost the number of dendritic spines (small outcroppings of neural membranes). When those spines contact another neuron, a synapse is formed. Three additional clinical studies in Alzheimer's patients are now underway, one in the United States and two in Europe. Results are expected to be available between 2011 and 2013.
The first clinical study was sponsored by the French company Danone, known in the United States as Dannon; the study was conducted primarily in Europe and was led by Philip Scheltens, director of the Alzheimer Center at Vrije Universiteit Medical Center in Amsterdam. Wurtman and MIT have patented the mixture of nutrients used in the study, and Nutricia Advanced Medical Nutrition, a unit of Danone, holds the exclusive license on the patent.
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