Now, one pill for Alzheimer's, Parkinson's, stroke

London:  Scientists claim to have developed a pill which could treat a variety of brain conditions including Alzheimer's, Parkinson's disease and multiple sclerosis.

The new class of drug, which can be taken orally, is designed to protect the brain by combating the damaging effects of inflammation.

Some respite. Agencies

Studies on animals suggest the therapy could be effective against a wide range of conditions which also include motor neurone disease and complications from traumatic brain injury, 'The Telegraph' reported.

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Two drugs in the new class, known as MW151 and MW189, have already been patented by researchers at Northwestern University in Chicago.

The drugs work by preventing the harmful overproduction of damaging brain proteins called cytokines, which scientists believe contribute to a number of degenerative brain conditions, as well as brain damage following stroke or injury, by killing nerve cells and damaging connections within the brain.

The finding published in the Journal of Neuroscience suggest it could be effective against a plethora of devastating brain conditions.

Researchers reported that mice which were genetically programmed to develop Alzheimer's did not develop the full-blown condition if they had taking the drug from six months of age, when their levels of the damaging proteins
began to rise.

In humans, this would coincide with the point when patients begin to experience early symptoms such as memory loss, they said.

At eleven months, the mice's brains were analysed. Levels of the proteins in the mice which had been treated were normal, whereas those which had not been treated had unusually high levels and were showing signs of brain deterioration.

"The drug protected against the damage associated with learning and memory impairment. Giving this drug before Alzheimer's memory changes are at a late stage may be a promising future approach to therapy," said co-author Dr Linda Van Eldik, director of the Sanders-Brown Centre on Aging at the University of Kentucky.

The results from early stage clinical trials are yet to be announced.

PTI