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AT 004

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Drug Profile

AT 004

Alternative Names: AT-004; AT004 - Arctic Therapeutics

Latest Information Update: 13 Feb 2026

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At a glance

  • Originator Arctic Therapeutics
  • Class Anti-inflammatories; Antipsoriatics; Skin disorder therapies; Small molecules
  • Mechanism of Action Acetylcholinesterase inhibitors
  • 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 II Acne vulgaris

Most Recent Events

  • 13 Jan 2026 Phase-II clinical trials in Acne vulgaris in Denmark (Topical) (EUCT-2025-521510-25-00)
  • 31 Dec 2025 The European Medicines Agency approved the phase II trial in December 2025
  • 22 Jan 2025 Clinical trials in Acne vulgaris in Iceland (Topical)

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