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Effentora®

Cephalon · Phase 2 active Small molecule

A selective kappa opioid receptor antagonist.

A selective kappa opioid receptor antagonist. Used for Treatment of opioid-induced constipation.

At a glance

Generic nameEffentora®
SponsorCephalon
Drug classOpioid receptor antagonist
TargetKappa opioid receptor
ModalitySmall molecule
Therapeutic areaNeurology
PhasePhase 2

Mechanism of action

Effentora is a mu-opioid receptor antagonist, but it has a higher affinity for kappa opioid receptors, which may contribute to its therapeutic effects.

Approved indications

Common side effects

Key clinical trials

Primary sources

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