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YM443

Astellas Pharma Inc · Phase 3 active Small molecule

YM443 is a selective and potent inhibitor of the serotonin reuptake transporter.

YM443 is a selective and potent inhibitor of the serotonin reuptake transporter. Used for Major depressive disorder.

At a glance

Generic nameYM443
Also known asZ-338, acotiamide, acotiamide hydrochloride
SponsorAstellas Pharma Inc
Drug classSSRI
TargetSerotonin reuptake transporter
ModalitySmall molecule
Therapeutic areaPsychiatry
PhasePhase 3

Mechanism of action

By inhibiting the serotonin reuptake transporter, YM443 increases the levels of serotonin in the synaptic cleft, which can help to improve mood and reduce symptoms of depression. This mechanism of action is similar to that of selective serotonin reuptake inhibitors (SSRIs).

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results