REZOLVE-AD study met all primary and key secondary endpoints, including EASI-75, EASI-90, Itch NRS, vIGA-AD and BSA, on rezpegaldesleukin 24 µg/kg q2w

First large, placebo-controlled trial to support T-reg modulation as a clinical mechanism for immunoregulation of chronic inflammatory disease

Findings support the continued development of rezpegaldesleukin in the ongoing Phase 3 ZENITH AD clinical program

SAN FRANCISCO, Aug. 25, 2026 /PRNewswire/ -- Nektar Therapeutics (NASDAQ:NKTR) today announced the publication of peer-reviewed data from the 16-week induction period of REZOLVE-AD, a global, randomized, double-blind, placebo-controlled Phase 2b study evaluating rezpegaldesleukin in adults with moderate-to-severe atopic dermatitis (AD). The publication in The Lancet, a world-leading medical journal, provides the medical and scientific community with the full reporting of efficacy, safety, pharmacodynamics, pharmacokinetics, and biomarker findings from the 16-week induction period of the Phase 2b trial.

Rezpegaldesleukin is a first-in-class regulatory T-cell (T-reg) biologic designed to address imbalances in the immune system that underlie many autoimmune disorders and chronic inflammatory conditions. It targets the IL-2 receptor complex to preferentially stimulate the proliferation of T-regs to restore immune balance.

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