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]

Core Insights - Nektar Therapeutics presented new data on rezpegaldesleukin, a first-in-class IL-2 pathway agonist, showing statistically significant improvements in asthma control and atopic dermatitis symptoms in patients with comorbid conditions [1][2][3] Group 1: Clinical Trial Results - The Phase 2b REZOLVE-AD trial enrolled 393 patients with moderate-to-severe atopic dermatitis, with 99 patients having a history of asthma [3][9] - Statistically significant reductions in mean ACQ-5 scores were observed at week 16 for patients with asthma, particularly in those with uncontrolled asthma, where all active doses achieved significance compared to placebo [5][6] - Rezpegaldesleukin demonstrated improvements in primary and secondary endpoints for atopic dermatitis, including EASI-75 and EASI-90, with p-values indicating strong efficacy [6][7] Group 2: Treatment Mechanism and Implications - Rezpegaldesleukin promotes regulatory T-cell (Treg) activity, which may benefit both atopic dermatitis and asthma, suggesting a broader therapeutic potential across T-cell mediated inflammatory diseases [4][3] - The treatment's unique mechanism has not been observed with other biologics currently in development, positioning rezpegaldesleukin as a differentiated option in the market [4] Group 3: Future Developments - Long-term maintenance data from the REZOLVE-AD study is expected in Q1 2026, with plans for Phase 3 studies based on the positive results from the current trial [1][9] - The FDA granted Fast Track designation for rezpegaldesleukin for both atopic dermatitis and severe alopecia areata, indicating potential for expedited development and approval [14]

Core Insights - Nektar Therapeutics has seen a significant stock price increase of 285% since January, with analysts suggesting it may still be undervalued, indicating a potential upside of about 53% based on an average price target of $104.50 [1][2] Company Overview - Nektar Therapeutics is a clinical-stage biotech company focusing on immunology, particularly in the eczema treatment market, with its leading pipeline candidate being rezpegaldesleukin [3][9] - The company is also exploring rezpegaldesleukin for type 1 diabetes and alopecia areata, with mid-stage data expected by year-end for alopecia areata [8] Competitive Landscape - The eczema treatment market is highly competitive, with major players like Sanofi, Regeneron, AbbVie, and Eli Lilly already offering therapies [4] - Rezpegaldesleukin has a novel mechanism of action that may differentiate it from existing treatments [5] Regulatory Progress - The FDA has granted Fast Track Designation to rezpegaldesleukin, which could expedite its approval process due to the lack of therapy options for eczema and its potential clinical benefits [5][6] Clinical Development - Interim data from a phase 2b study of rezpegaldesleukin shows statistically significant improvements in the Eczema Area and Severity Index, with complete data expected early next year [7] - Nektar plans to initiate late-stage clinical trials within the next 12 months [7]

Core Insights - Nektar Therapeutics' lead candidate, rezpegaldesleukin, has shown promising results in clinical trials, leading to a significant increase in stock price by 90.6% in October [1] - Rezpegaldesleukin has the potential to become a top-selling treatment for eczema, which affects approximately 10% of American adults [2] Company Overview - Nektar Therapeutics, founded in 1990, currently lacks commercial-stage drugs generating revenue, making any positive trial results critical for stock performance [3] - The company’s most advanced drug candidate, rezpegaldesleukin, has made significant progress, particularly highlighted at the European Academy of Dermatology and Venereology conference [4] Clinical Trial Results - In the Rezolve-AD trial, 42% of patients receiving the highest dose achieved 75% skin clearance after 16 weeks, comparable to Dupixent's 44% success rate in a pivotal trial [5] - The 24-week results showed an improvement, with 62% of eczema patients treated with rezpegaldesleukin achieving 75% skin clearance, indicating strong potential for the drug [6] Market Position and Valuation - Despite the stock surge, Nektar's market capitalization was only $1.05 billion as of October 3, 2025, which is considered low for a company with a promising eczema treatment nearing phase 3 trials [7]

Group 1 - Investors in the biotechnology sector have seen significant stock price increases, with Nektar Therapeutics and Mineralys Therapeutics both experiencing over 100% gains in the month leading up to September 19 [1] - Nektar Therapeutics' stock surged 108% from August 18 to September 18, driven by positive investor sentiment regarding its lead candidate, rezpegaldesleukin, an IL-2 pathway agonist [3][4] - In a phase 2b study for moderate to severe eczema, the highest dose of rezpegaldesleukin showed a 30% placebo-adjusted improvement, indicating potential competition with Dupixent, which generated $14.2 billion in sales last year [4][5] Group 2 - In the Rezolve-AD trial, 42% of patients achieved 75% skin clearance with rezpegaldesleukin compared to 17% in the placebo group, and in a longer treatment duration group, 62% achieved the same result [5][6] - Nektar Therapeutics currently has a market cap of $989 million, which is considered low for a company with a potential blockbuster treatment in mid-stage trials, although it has no products on the market [7] - A successful phase 3 trial for rezpegaldesleukin could significantly increase Nektar's stock value, but the company has not yet initiated a phase 3 program [9]

Core Viewpoint - Nektar Therapeutics (NKTR) is experiencing significant stock price growth due to positive clinical trial results for its drug rezpegaldesleukin, aimed at treating atopic dermatitis, with a price target set at $99 by Jefferies analyst Roger Song, indicating a potential increase of 68.54% from its current price of $58.74 [1][2][6] Group 1: Stock Performance - NKTR's stock price surged over 15% following the announcement of positive phase 2b study results for rezpegaldesleukin [2][6] - The current stock price is $58.76, with a market capitalization of approximately $1.12 billion, marking its highest price over the past year [5][6] - The stock has fluctuated between a low of $52.13 and a high of $58.81 today, with the lowest price in the past year being $6.45, indicating significant growth potential [5] Group 2: Clinical Research Findings - The phase 2b study of rezpegaldesleukin demonstrated that it met its primary and key secondary endpoints at week 16, showing statistical significance in improving the eczema area and severity index compared to a placebo [3][6] - Interim data for patients who switched from a placebo to a 24-week high dose treatment showed an EASI-75 response deepening to 62% and a vIGA-AD 0/1 response increasing to 38% [4][6] - These findings were presented at the 2025 European Academy of Dermatology and Venereology Congress, highlighting the drug's potential in treating atopic dermatitis [3][4]

Core Insights - Nektar Therapeutics Inc. presented new data from its REZOLVE-AD Phase 2b study of rezpegaldesleukin, showing significant efficacy in treating moderate to severe atopic dermatitis [1][2] Study Results - The primary endpoint was met with a statistically significant improvement in the Eczema Area and Severity Index (EASI) at week 16 compared to placebo [2] - Key secondary endpoints, including EASI-75, EASI-90, Itch Numerical Rating Scale (NRS), vIGA-AD, and Body Surface Area (BSA), also showed significant disease reduction [2] - The study randomized 393 patients to receive different dosing regimens of rezpegaldesleukin or placebo, with the mean improvement on EASI score being 61% for the high dose (24 µg/kg every two weeks), 58% for the middle dose (18 µg/kg every two weeks), and 53% for the low dose (24 µg/kg every four weeks), compared to 31% in the placebo group [3] Crossover Data - Interim data showed that 42 placebo patients crossed over to the treatment arm, with 21 patients reaching 24 weeks of treatment with high-dose rezpegaldesleukin [4] - The mean percent reduction in EASI at crossover week 16 was 68%, and at crossover week 24, it was 75% [4] - EASI-75 responses at crossover week 16 and week 24 were 50% and 62%, respectively [4] Patient Response Rates - The percentage of patients achieving a vIGA-AD 0/1 response was 28% at week 16 and 38% at week 24 [5] - Response rates for EASI-75 were 42% for the 24 µg/kg every two weeks cohort, 46% for the 18 µg/kg every two weeks cohort, and 34% for the 24 µg/kg once-monthly cohort, compared to 17% in the placebo cohort [6] Market Reaction - Following the announcement, Nektar stock increased by 11.34%, reaching $56.86 [5]

Core Insights - Nektar Therapeutics announced positive results from the REZOLVE-AD Phase 2b study of rezpegaldesleukin, demonstrating significant efficacy in treating moderate-to-severe atopic dermatitis at the 2025 EADV Congress [1][2][9] Study Results - Rezpegaldesleukin achieved statistical significance on the primary endpoint of mean improvement in Eczema Area and Severity Index (EASI) at week 16 compared to placebo, with improvements of 61% for the high dose, 58% for the middle dose, and 53% for the low dose [2][3] - Key secondary endpoints also showed significant improvements, including EASI-75 (42% for high dose, 46% for middle dose, 34% for low dose) and vIGA-AD 0/1 response rates (20% for high dose, 26% for middle dose) [3][4] - Interim data for patients who crossed over from placebo to high dose rezpegaldesleukin indicated a mean EASI reduction of 68% at crossover week 16 and 75% at crossover week 24, with EASI-75 responses of 50% and 62% respectively [8] Patient-Reported Outcomes - Significant improvements were observed in patient-reported outcomes, including a 72% reduction in Daily Life Quality Index (DLQI) for the high dose group and a 67% reduction in Atopic Dermatitis Control Tool (ADCT) [5][6] - Pain Numeric Rating Scale (Pain NRS) showed a 45% reduction for the high dose group, indicating substantial relief from pain associated with atopic dermatitis [5] Safety Profile - The safety profile over the 16-week induction period showed that 60.3% of patients in pooled drug arms experienced any treatment-emergent adverse events (TEAEs), with serious adverse events occurring in 1.6% of patients [10][11] - The most common TEAEs included drug hypersensitivity and pyrexia, with all events resolving [10][11] Study Design and Enrollment - The global Phase 2b REZOLVE-AD study randomized 393 patients across approximately 110 sites, with a significant portion (68%) enrolled in Europe [12][18] - Patients were stratified based on baseline disease severity, ensuring a robust assessment of treatment efficacy [12] Future Outlook - Nektar Therapeutics is preparing to report results for rezpegaldesleukin in patients with alopecia areata in December 2025, following the promising data from the atopic dermatitis study [9][14]

Core Viewpoint - Nektar Therapeutics Inc. (NKTR) stock experienced a significant increase despite the absence of company-specific news, likely influenced by the negative performance of Sanofi SA following the COAST 1 trial results [1] Group 1: Trial Results and Comparisons - The COAST 1 trial demonstrated that amlitelimab met all primary and key secondary endpoints, showing statistically significant skin clearance and disease severity improvement compared to placebo at Week 24 for patients aged 12 years and older with moderate-to-severe atopic dermatitis [2] - Although the trial met its endpoints, the benefit magnitude of amlitelimab was below investor expectations when compared to Phase 2 benchmarks and approved treatments like Dupixent [3] - On the EASI-75 score, amlitelimab showed a 20% improvement over placebo, significantly lower than the 39% improvement reported in the previous Phase 2b study [4] Group 2: Other Relevant Studies - Nektar's ongoing Phase 2b REZOLVE-AD study of rezpegaldesleukin showed statistically significant data, with patients experiencing a 53% to 61% improvement in symptoms after 16 weeks, compared to a 31% improvement in the placebo group [4] - At week 16, a high dose of 24 µg/kg q2w achieved statistical significance on EASI-90, indicating a substantial reduction in disease severity [5] Group 3: Stock Performance - NKTR stock rose by 24.27%, reaching $35.48 during the last trading session [5]

Core Insights - Nektar Therapeutics has sufficient financial resources to fund its operations into early 2027, with a strong positive investor reaction following its latest quarterly earnings report [1][4] - The company reported total revenue of just under $11.2 million for the second quarter, significantly lower than the nearly $23.5 million reported in the same period of 2024, primarily deriving from noncash royalty revenue [2][4] - Nektar's net loss for the second quarter was slightly over $39 million, equating to $2.78 per share, which was higher than analysts' projections of a net loss of only $0.20 per share [4][5] Financial Performance - Total revenue for the second quarter was just under $11.2 million, down from nearly $23.5 million in the same quarter of 2024 [2] - The company's cash and investments in marketable securities were reported at just under $176 million at the end of the quarter, supplemented by approximately $107.5 million expected from a recent secondary share issue [4] - The net loss for the second quarter was slightly over $39 million, or $2.78 per share [4] Market Reaction - Following the earnings report, Nektar's share price increased by 6%, outperforming the S&P 500 index, which gained only 0.8% [1] Future Prospects - Nektar highlighted several potential tailwinds, including the U.S. FDA granting Fast Track designation for its investigational drug rezpegaldesleukin, aimed at treating severe-to-very-severe alopecia areata [6]