Can two old drugs — in­clud­ing an Eli Lil­ly flop — make one good treat­ment for Alzheimer’s? Karuna has $42M to find out

Back when Steven Paul was a star CNS re­searcher who had jumped to in­dus­try at Eli Lil­ly back in ’93, he boast­ed of a broad pipeline of in­trigu­ing new drugs he was work­ing on — in­clud­ing a promis­ing mus­carinic acetyl­choline re­cep­tor ag­o­nist called xanome­line. But that drug, like so many oth­ers at Lil­ly, was scut­tled — in this case by the ad­verse events trig­gered by off-tar­get ef­fects.

To­day, Paul — who re­cent­ly stepped down as CEO of Voy­ager — is in­vest­ing in a $42 mil­lion round with some high-pro­file in­vestors to back a com­pa­ny that be­lieves it has found a way to make xanome­line work the way they had seen in the clin­ic, with­out the oner­ous side ef­fects that killed the ear­li­er project.

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