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Treatment-associated phenotype switching between psoriasis and atopic dermatitis - PubMed

2 hours ago
  • #JAK inhibitors
  • #biologic therapy
  • #phenotype switching
  • Treatment-associated phenotype switching between psoriasis and atopic dermatitis is a bidirectional phenomenon.
  • Switching involves psoriasis patients developing eczematous features or AD patients developing psoriasiform lesions.
  • Switches in psoriasis primarily occur with IL-17 and IL-23 inhibitor therapies.
  • Switches in AD occur exclusively during biologic therapies targeting type 2 inflammation, especially dupilumab.
  • Janus kinase (JAK) inhibitors were commonly used after switching and led to marked clinical improvement.
  • The phenomenon reflects immune plasticity rather than paradoxical disease induction.
  • Recognition is essential for guiding therapeutic adaptation and optimizing management.