Why Is Nektar Therapeutics Stock Trading Higher On Wednesday?

Core Insights - Nektar Therapeutics released statistically significant data from the 16-week induction period of the Phase 2b REZOLVE-AD study for the investigational drug rezpegaldesleukin, achieving its primary endpoint in improving the Eczema Area and Severity Score (EASI) compared to placebo [1][2]. Group 1: Study Results - All three dose arms of rezpegaldesleukin showed statistical significance at week 16 for key secondary endpoints, including EASI-75, EASI-50, and Body Surface Area (BSA) score improvements [2]. - Patients treated with rezpegaldesleukin experienced a 53% to 61% improvement in symptoms, while the placebo group showed a 31% improvement [3]. Group 2: Comparative Analysis - The efficacy of rezpegaldesleukin appears comparable to the OX40 drug class but is numerically lower than Dupixent in Phase IIb programs [3]. - High frequencies of injection site reactions (30% to 40%) for rezpegaldesleukin could pose a commercial liability compared to Dupixent, which has lower reaction rates [3]. Group 3: Future Outlook - If rezpegaldesleukin demonstrates a remittive effect, it may reduce injection site reactions, but further updates are needed, with maintenance data expected in early 2026 and off-treatment results in 2027 [4]. - The stock reaction, which saw a rise of approximately 135%, is viewed as a normalization event rather than a reflection of a differentiated asset, with shares trading around the company's current cash levels [5].