Drug Profile

ARQ 234

Alternative Names: ARQ-234; DS-234

Latest Information Update: 11 Mar 2026

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At a glance

Originator Ducentis BioTherapeutics
Developer Arcutis Biotherapeutics; Ducentis BioTherapeutics
Class Anti-inflammatories; Immunoglobulin Fc fragments; Recombinant fusion proteins; Skin disorder therapies
Mechanism of Action CD200R1 protein stimulants

Orphan Drug Status

Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

No
New Molecular Entity Yes

Highest Development Phases

Phase I Atopic dermatitis

Most Recent Events

02 Mar 2026 Phase-I clinical trials in Atopic dermatitis (Treatment-resistant) in USA (SC) (NCT07453602)
12 Jan 2026 Arcutis Biotherapeutics plans a phase I trial for Atopic dermatitis (Parenteral), in the first quarter of 2026
28 Oct 2025 Arcutis Biotherapeutics plans a phase I trial for Atopic dermatitis

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