Summary of Nektar Therapeutics Conference Call Company Overview - **Company**: Nektar Therapeutics (NasdaqCM:NKTR) - **Event**: Jefferies Linda Healthcare Conference 2025 - **Date**: November 20, 2025 Key Points Industry and Product Focus - Nektar is focusing on the development of **rezpegaldesleukin**, a biologic treatment for **alopecia areata** and **atopic dermatitis** [3][31] - The company is preparing for a **Phase 2b** data readout for alopecia areata, with expectations set for significant results [3][4] Alopecia Areata Study Design - The **Phase 2b study** involves nearly 100 patients with severe alopecia areata, using the **SALT score** as the primary endpoint [4][5] - The study design includes two dose levels of rezpegaldesleukin administered subcutaneously every two weeks for 36 weeks [4][5] - The primary endpoint is the percentage change from baseline in SALT score, aiming to demonstrate a separation from placebo [6][10] Market Opportunity - There is currently no biologic approved for alopecia areata, presenting a significant market opportunity for Nektar [12][13] - Market research indicates that a substantial portion of dermatologists are hesitant to prescribe JAK inhibitors due to safety concerns, which could lead to increased adoption of biologics like rezpegaldesleukin [21][22] - The potential market for alopecia treatments could reach **$500 million**, especially with the introduction of rezpegaldesleukin [22] Competitive Landscape - JAK inhibitors, while effective, have safety profiles that limit their long-term use, creating a favorable environment for biologics [11][12] - Nektar's rezpegaldesleukin is positioned to be preferred over JAK inhibitors due to its safety profile and dosing convenience [15][18] Atopic Dermatitis Study Insights - Nektar is also conducting a Phase 2b study for atopic dermatitis, with data expected in early 2026 [31][36] - The study includes a unique focus on patients with comorbid asthma, showing that rezpegaldesleukin can improve asthma control alongside atopic dermatitis treatment [32][34] - The maintenance phase of the study will evaluate the effectiveness of different dosing regimens, including once-a-month and once-every-three-month schedules [36][38] Regulatory and Future Steps - Nektar plans to have an end-of-Phase 2 meeting with the FDA to discuss the design for Phase 3 trials [42][43] - If the Phase 2 results for alopecia are positive, the company aims to initiate Phase 3 trials, potentially launching the alopecia indication 12-18 months after the atopic dermatitis indication [43] Conclusion - Nektar Therapeutics is strategically positioned to capitalize on the unmet needs in the alopecia areata and atopic dermatitis markets with its biologic, rezpegaldesleukin, which offers a favorable safety profile and dosing convenience compared to existing treatments [12][15][22]