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Nektar TherapeuticsRezpegaldesleukin Trial Success Sends Shares Up 150%

The FDA granted Fast Track status in February after strong midstage data highlighted its potential to address unmet needs in moderate-to-severe atopic dermatitis.

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A new immunotherapy injection has provided significant relief to eczema sufferers
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Overview

  • The global Phase 2b REZOLVE-AD trial met its primary and key secondary endpoints in 393 adults and adolescents following three subcutaneous doses over 16 weeks.
  • High- and mid-dose cohorts achieved average EASI score improvements of 61% and 58% compared with 31% for placebo, and up to 46% of patients reached EASI-75.
  • Up to 42% of participants reported a clinically meaningful four-point reduction in itch severity with no rise in conjunctivitis, oral ulcers or herpes infections.
  • Rezpegaldesleukin was well tolerated overall, with mild injection site reactions as the most frequent side effect and rare serious adverse events.
  • Shares climbed 150% and the therapy is projected to exceed $2 billion in peak sales, elevating Nektar’s acquisition appeal for larger pharmaceutical firms.