This drug, an antihistamine used in Russia, emerged from nowhere a couple years ago when Medivation reported that the drug slowed Alzheimer's progression in a big trial in Russia.

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The drug was first marketed in the 1980s as an antihistamine in Russia.

FORBES: Magazine Article

Back in February, regulators at the Food and Drug Administration said they wouldn't give Schering the go-ahead to market the antihistamine until it cleared up manufacturing problems with some of its plants.

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