Altanserin

DB19972InvestigationalSmall molecule

Altanserin is a small molecule drug. The usage of the INN stem '-anserin' in the name indicates that Altanserin is a serotonin receptor antagonist. Altanserin is under investigation in clinical... Altanserin is under investigation in clinical trial NCT03970239 (Serotonin in Impulse Control Disorders in Parkinson's Disease).

Chemical structure of Altanserin
Formula / weight
C22H22FN3O2S · 411.5 g/mol (avg)

Resolves to

Compound
UNII5015H744JQCAS76330-71-7ChEMBLCHEMBL62919ChEBI2613KEGGC11734
Structure
InChIKeySMYALUSCZJXWHG-UHFFFAOYSA-NSMILESFC1=CC=C(C=C1)C(=O)C1CCN(CCN2C(=S)NC3=CC=CC=C3C2=O)CC1
Targets
P28223HTR2A

What you can answer from here — as of September 13, 2026

1Protein targetEach mapped to UniProt, with action and pharmacological action
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2Clinical trialsPhase, status and sponsor resolved per trial
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4+ReferencesStructured and connected to the statements they support
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Which drugs share a target with Altanserin, and which of those have an active Phase 3 trial?

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