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Opinion|Videos|September 17, 2025

Rapid Therapeutic Effects Seen With a JAK Inhibitor

Key Takeaways

  • Alopecia areata is a chronic autoimmune disorder causing non-scarring hair loss due to immune system attacks on hair follicles.
  • Breakdown of immune privilege in hair follicles leads to infiltration by cytotoxic T cells, particularly CD8+ T cells.
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Panelists discuss how the Bayesian network meta-analysis showed which Janus kinase (JAK) inhibitors were most effective in reducing Severity of Alopecia Tool (SALT) scores in alopecia areata (AA), highlighting which therapies achieved 50% and 75% improvement, and whether SALT scores are an effective measure of treatment success.

Episodes in this series

Video content above is prompted by the following:

  1. Ungar: The Severity of Alopecia Tool (SALT) is a validated tool utilized to assess the clinical severity of alopecia with scores ranging from 0 (no scalp hair loss) to 100 (complete scalp hair loss). In the Bayesian network meta-analysis, which JAK inhibitor(s) demonstrated the best relative effect in reducing SALT scores pre and post intervention?
    1. Which JAK inhibitor(s) demonstrated patients achieving 50% improvement?
    2. Which JAK inhibitor(s) demonstrated patients achieving 75% improvement?
    3. Do you believe this is an effective way to evaluate the effectiveness of an AA intervention?

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