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Nektar rezpegaldesleukin biomarker data bolster prospects for Phase 3

Sep 30, 2026, 11:00 AM EDT2 sourcesAI-analyzed

Why it may matterVerify against the original reporting

Positive biomarker signals and demonstrated correlation with efficacy raise the odds of Phase 3 success, offering a potential re-rating for NKTR; however, no near-term revenue or regulatory approval is announced, so upside hinges on upcoming trial milestones and data readouts.

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Nektar Therapeutics and Mount Sinai researchers presented REZOLVE-AD multi-omic biomarker results at EADV 2026, showing early Treg-related molecular changes within two weeks that correlated with Week 16 EASI improvements. The data reinforce rezpegaldesleukin's regulatory T cell mechanism and support progression toward Phase 3, potentially expanding its autoimmune program and improving valuation if Phase 3 outcomes prove positive.

REZOLVE-AD biomarker sub-study shows early Week 2 Treg changes. Correlates with outcomes.
EASI reductions align with Q2W dosing; 64% molecular vs 61% overall.
Early molecular normalization across Th1/Th2/Th17 and JAK-STAT signals.
Fast Track designations bolster development prospects; data support mechanism.

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