Produced by the pharmaceutical company Biogen, the drug Aduhelm, which has just been authorized by the American regulator, is the first treatment approved against Alzheimer's disease since 2003.

The US regulator on Monday announced that it would authorize a new drug against Alzheimer's disease, for the first time in nearly two decades.

"This clearance is significant in many ways," the United States Drugs Agency (FDA) said in a statement.

The drug, named Aduhelm and produced by the pharmaceutical company Biogen, "is the first approved treatment for Alzheimer's disease since 2003," the FDA said.

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