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Difamilast - Otsuka Pharmaceutical

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Drug Profile

Difamilast - Otsuka Pharmaceutical

Alternative Names: MM 36; MM-36-Medimetriks-Pharmaceuticals; Moizerto; OPA-15406

Latest Information Update: 23 Sep 2025

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At a glance

  • Originator Otsuka Pharmaceutical Development & Commercialization
  • Developer Acrotech Biopharma; Medimetriks Pharmaceuticals; Otsuka Beijing Research Institute; Otsuka Pharmaceutical Development & Commercialization
  • Class Benzamides; Nonsteroidal anti-inflammatories; Oxazoles; Skin disorder therapies; Small molecules
  • Mechanism of Action Type 4 cyclic nucleotide phosphodiesterase 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

  • Marketed Atopic dermatitis

Most Recent Events

  • 15 Sep 2025 Otsuka Pharmaceutical plans a phase III trial for Atopic Dermatitis (Topical, Foam) in Japan (NCT07173478)
  • 29 Nov 2024 Otsuka Pharmaceutical in collaboration with Otsuka Beijing Research Institute completes a phase III trial in Atopic dermatitis (In adolescents, In adults, In the elderly) in China (Topical) (NCT05667623)
  • 31 Jul 2024 Acrotech Biopharma completes phase III clinical trials in Atopic dermatitis (In adolescents, In children, In adults, In the elderly) in USA (Topical) (NCT05571943)

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