$AMBS Elto Pharma, Inc. is developing eltoprazine,

$AMBS Elto Pharma, Inc. is developing eltoprazine, an oral small molecule 5HT1A/1B partial agonist in clinical development for the treatment of Parkinson's disease levodopa-induced dyskinesia (PD-LID), aggression in Alzheimer's disease and adult attention deficit hyperactivity disorder (adult ADHD). Eltoprazine has been evaluated in over 680 human subjects to date, was well-tolerated and showed promising efficacy results in both cognitive and movement disorders. Eltoprazine has received orphan drug designation (ODD) from the US FDA for the treatment of PD-LID.

https://finance.yahoo.com/news/amarantus-prov...46167.html

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