Summary of Protagonist Therapeutics Conference Call Company Overview - **Company**: Protagonist Therapeutics (NasdaqGM:PTGX) - **Key Product**: ICOTYDE, an oral peptide-targeted therapy for moderate-to-severe plaque psoriasis Key Industry and Company Insights FDA Approval Announcement - Protagonist announced FDA approval of ICOTYDE for treating moderate-to-severe plaque psoriasis in adults and pediatric patients aged 12 and older who weigh at least 40 kg [2][4] - ICOTYDE is the first oral peptide-targeted therapy that blocks the IL-23 pathway by targeting the IL-23 receptor, contrasting with existing injectable antibodies that target the IL-23 ligand [4][6] Clinical Development and Efficacy - The approval was supported by a comprehensive phase 3 program involving approximately 2,500 patients across four studies, meeting all primary endpoints and demonstrating a favorable safety profile [7][9] - ICOTYDE has a broad label based on studies in both adults and adolescents, including head-to-head studies showing superiority to the active comparator, Sotyktu [8] Financial Implications - The approval triggers a $50 million milestone payment from Johnson & Johnson (J&J) and initiates a royalty-based revenue stream [10] - Protagonist has earned a total of $387 million in milestone payments since the collaboration with J&J began in 2017, with an additional $580 million in potential future milestones [10][11] - The royalty structure includes tiered royalties ranging from 6% to 10% on global net sales, with a weighted average of 7.25% at $4 billion in annual sales [12] Strategic Partnerships - Protagonist emphasizes the importance of its collaboration with J&J, which is responsible for commercialization and ongoing clinical trials of ICOTYDE [13] - The partnership has been described as a win-win, highlighting the potential blockbuster category of ICOTYDE [13] Pipeline and Future Developments Additional Assets - Protagonist is expecting FDA approval for rusfertide, a hepcidin mimetic for polycythemia vera, in the third quarter of the year [14][15] - The company is developing new R&D assets, including an oral IL-17 peptide antagonist (PN881) and an oral triple GLP GIP GCG agonist (PN477) for obesity [16][17] Financial Position and Shareholder Value - Protagonist aims to fund its R&D programs without equity offerings, focusing on returning capital to shareholders through potential share buybacks [19][20] - The company is exploring partnerships for its IL-17 and obesity programs, with ongoing dialogues with multiple parties [107] Market Position and Competitive Landscape - Protagonist believes ICOTYDE can capture market share from existing injectables and attract patients currently not on treatment due to aversion to injections [53][54] - The company is focused on differentiating its products in a competitive landscape, particularly in the obesity space where unmet needs exist [77][96] Conclusion - The approval of ICOTYDE marks a significant milestone for Protagonist, validating its peptide technology platform and setting the stage for future growth and product-driven cycles [20][22] - The company is well-positioned financially and strategically to expand its pipeline and enhance shareholder value through innovative therapies and partnerships.

Summary of Protagonist Therapeutics Conference Call Company Overview - **Company**: Protagonist Therapeutics (PTGX) - **Event**: Citi Biopharma Back to School Summit - **Date**: September 03, 2025 Key Points Peptide Platform and Strategy - Protagonist focuses exclusively on peptide therapeutics, which are versatile and agnostic to disease areas or targets [2][3] - The company aims to differentiate its products from existing drugs by targeting biologically validated pathways, particularly those successful in injectable antibody drugs [5] - The strategy has evolved from gut-restricted peptides to orally bioavailable peptides, broadening the scope of potential opportunities [8] Rasvirtide Development - Rasvirtide has shown outstanding phase three data, leading to a breakthrough designation from regulatory agencies [12][13] - The drug addresses an unmet need in polycythemia vera, with positive interactions with regulatory agencies [13] - Protagonist and its partner Takeda are focused on increasing awareness and establishing relationships with key opinion leaders (KOLs) and physicians to drive market penetration [20][21] Partnership with Takeda - The partnership with Takeda is characterized by a collaborative spirit, leveraging Protagonist's historical knowledge of Rasvirtide and Takeda's resources [15][17] - Protagonist retains the option to opt-out of the partnership, which includes a significant financial incentive of $425 million, allowing flexibility in future decisions [22][24][30] ICO and Market Potential - ICO, an oral IL-23 blocker, is positioned to capture a significant market share due to its oral administration and efficacy in treating inflammatory bowel diseases [46][47] - The drug is expected to appeal to patients currently not seeking treatment due to dissatisfaction with existing options [46] - Protagonist's royalty structure with J&J ranges from 6% to 10%, with optimistic sales projections for ICO [45][46] Obesity Drug Development - Protagonist is entering the obesity market with a focus on developing both oral and injectable formulations, aiming to differentiate its product through unique mechanisms [58][60] - The company is conducting preclinical studies to ensure efficacy and tolerability, with plans to initiate phase one studies in the near future [69] Future Outlook - Protagonist is committed to maintaining flexibility in its partnerships and product development strategies, aiming to maximize shareholder value while leveraging the expertise of larger pharmaceutical partners [53][51] - The company is optimistic about the potential of its pipeline, particularly in the areas of rare diseases and obesity, with ongoing studies expected to yield valuable insights [69][70] Additional Insights - The company emphasizes the importance of partnerships for validation and resource access, while also planning to retain more control over its assets in future collaborations [50][52] - Protagonist's approach to drug development focuses on validated targets, reducing biological risk and enhancing the predictability of clinical outcomes [68]