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Protagonist Ther - PTGX STOCK NEWS

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Overview

Protagonist Therapeutics (PTGX) is a clinical-stage biopharmaceutical company dedicated to the discovery and development of novel, peptide-based therapeutics. Employing a proprietary constrained peptide technology platform, the company is focused on creating potentially first-in-class oral treatments that address significant unmet medical needs. By targeting complex biological pathways with high specificity, Protagonist has positioned itself in the competitive landscape of peptide therapeutics, especially in areas such as inflammatory diseases, autoimmune conditions, and hematologic disorders.

Innovative Technology Platform

At the core of Protagonist's operations is a cutting-edge discovery platform that enables the design and optimization of constrained peptides. This platform not only facilitates the rapid identification of novel chemical entities but also ensures enhanced stability and bioavailability when administered orally. The science behind constrained peptides allows the company to interfere with biological pathways in a manner similar to that of injectable antibodies, yet with the convenience and potential safety advantages of an oral formulation.

Pipeline and Product Candidates

Protagonist's pipeline exemplifies the application of its advanced peptide platform. Key candidates include:

  • Icotrokinra (JNJ-2113): A targeted oral peptide engineered to selectively block the interleukin-23 (IL-23) receptor. This therapeutic approach is designed to address chronic inflammatory conditions such as plaque psoriasis and ulcerative colitis by modulating specific immune pathways.
  • Rusfertide: A mimetic of the natural hormone hepcidin, developed as a potential treatment in the field of hematology for conditions like polycythemia vera (PV). By normalizing hematocrit levels and reducing the need for conventional therapies, rusfertide aims to provide a novel treatment option with a favorable tolerability profile.

Strategic Collaborations and Clinical Development

Protagonist Therapeutics leverages strategic partnerships and licensing agreements to strengthen its clinical development efforts and market reach. Collaborations with leading pharmaceutical companies such as Takeda and Johnson & Johnson underscore the company's commitment to translating its peptide-based discoveries into viable therapeutic options. Through these partnerships, Protagonist not only advances its flagship candidates into advanced clinical trials but also gains the expertise and resources necessary to navigate complex regulatory environments.

Market Position and Competitive Landscape

Operating in the highly competitive biopharmaceutical sector, Protagonist differentiates itself through its innovative approach to oral peptide drug development. Unlike traditional therapies that rely on large protein biologics administered via injection, the company’s philosophy centers on creating small, stable peptide drugs that mimic the efficacy of biologics while offering the benefits of oral dosing. This distinct competitive edge, combined with a robust research and development framework, positions Protagonist as a key player in tackling some of today’s most challenging clinical conditions.

Research, Clinical Evidence, and Efficacy

Protagonist’s research emphasizes demonstrable efficacy and safety from early-phase to advanced clinical studies. The company’s approach to designing oral therapies is supported by rigorous preclinical studies and clinical trial data that highlight improvements in disease parameters such as skin clearance in psoriasis or hematocrit control in polycythemia vera. The scientific rationale behind its candidates—grounded in selective receptor antagonism and precise immune modulation—underscores a deep commitment to overcoming the limitations of current therapies.

Corporate Stability and Long-term Strategy

While the clinical development of novel therapeutics inherently carries risk, Protagonist Therapeutics maintains a robust operational framework through diversified revenue streams including milestone and license payments from its collaborative agreements. This financial model, coupled with a strong cash position, reinforces the company’s ability to invest in early-stage discoveries and advance them into clinical proof-of-concept studies without compromising on safety or efficacy.

Conclusion

In summary, Protagonist Therapeutics embodies the convergence of innovative peptide science and strategic biopharmaceutical development. With its proprietary oral peptide platform, the company is advancing a portfolio of promising candidates designed to transform treatment paradigms in inflammation, autoimmune disorders, and hematology. The integration of advanced discovery methods, strong industry collaborations, and a focus on patient-centric outcomes solidifies Protagonist’s position as a noteworthy contributor to next-generation therapeutics.

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Protagonist Therapeutics (PTGX) announces a collaboration agreement with Takeda Pharmaceuticals, receiving a $300 million upfront payment for rusfertide. The company extended its cash runway through Q4 2027. Significant clinical developments include the Phase 2b study results of JNJ-2113 and rusfertide published in the New England Journal of Medicine. Protagonist achieved $60 million in milestones related to JNJ-2113. Financially, the company reported cash, cash equivalents, and marketable securities of $341.6 million as of December 31, 2023, with license and collaboration revenue of $60 million for the fourth quarter and full year 2023.
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Protagonist Therapeutics, Inc. (PTGX) announced positive results from the REVIVE Phase 2 study evaluating rusfertide in polycythemia vera, a rare blood disorder. Rusfertide demonstrated efficacy in maintaining hematocrit levels below 45% without phlebotomy, reducing disease-related symptoms, and improving iron deficiency. The study met primary efficacy endpoints with high statistical significance. The Phase 3 VERIFY trial is ongoing, evaluating rusfertide's efficacy in uncontrolled hematocrit patients.
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Protagonist Therapeutics, Inc. (PTGX) issued inducement awards to Vice President Sid Reddy, granting him options to purchase 25,000 shares at an exercise price of $28.23. The shares vest over four years, with 25% vesting on the first anniversary of hire and the rest monthly over three years.
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Protagonist Therapeutics, Inc. announced the successful Phase 2b clinical trial of JNJ-2113 in adults with moderate-to-severe plaque psoriasis, achieving primary and secondary endpoints with PASI 100 and IGA 0 responses of 40.5 percent and 45.2 percent, respectively. The study showed a dose-ordered response in patients treated with JNJ-2113, with 79 percent of patients achieving a PASI-75 response at Week 16. The publication in the New England Journal of Medicine (NEJM) reflects the robust efficacy of JNJ-2113, currently being evaluated in multiple Phase 3 psoriasis studies in the ICONIC-program. The study also demonstrated improvements in patient-reported outcomes and a favorable safety profile.
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Takeda and Protagonist Therapeutics, Inc. announced a worldwide license and collaboration agreement for the development and commercialization of rusfertide, an investigational injectable hepcidin mimetic peptide for the treatment of Polycythemia Vera. Protagonist will receive a $300 million upfront payment and is eligible for additional milestone payments and royalties. Takeda will lead the ex-U.S. commercialization, while Protagonist will handle U.S. development and regulatory approval. The partnership combines Protagonist's peptide drug development expertise with Takeda's commercial capabilities in rare hematology. The deal aims to address the significant unmet need of PV patients and leverage Takeda's 70-year legacy of innovation in rare diseases. Rusfertide's mechanism of action regulates iron homeostasis and has shown positive results in the Phase 2 trial. The agreement allows Protagonist to focus on Phase 3 completion while sharing profits with Takeda in the U.S. market.
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Protagonist Therapeutics, Inc. announced that their CEO will participate in a fireside chat at the 6th Annual Guggenheim Healthcare Talks Annual Biotechnology Conference in New York City on February 7-8, 2024. The presentation will take place on February 8 at 9:00-9:25 A.M. EST at St. Regis New York. A replay of the presentation will be available on the company's website.
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Protagonist Therapeutics, Inc. (PTGX) announced that its President and CEO, Dinesh V. Patel, Ph.D., will participate in a presentation and host one-on-one meetings with investors at the 42nd Annual J.P. Morgan Healthcare Conference on January 8-11, 2024. The presentation will take place on Tuesday, January 9 at 9:45-10:25 A.M. PST in San Francisco, CA. The event details and webcast link can be found on the company's corporate website.
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Protagonist Therapeutics, Inc. (PTGX) announced it has earned a $10 million milestone payment following the dosing of the third patient in ANTHEM-UC, a Phase 2b trial to evaluate the safety and effectiveness of JNJ-2113 compared with placebo in participants with moderately to severely active ulcerative colitis. With this additional payment, the Company has now earned $60 million in payments in the fourth quarter of 2023 for milestones achieved in the JNJ-2113 Phase 2b and Phase 3 clinical programs led by the Company's collaboration partner, Janssen Biotech, Inc., a Johnson & Johnson company. The Company remains eligible for up to an additional $795 million in other development and sales milestone payments with respect to JNJ-2113 or other licensed IL-23 receptor antagonist oral peptides.
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Protagonist Therapeutics, Inc. (PTGX) presented long-term follow-up data from the REVIVE Phase 2 study and other analyses at the American Society of Hematology 2023 Annual Meeting. The data showed durable hematocrit control, decreased phlebotomy use, long-term tolerability, and no new safety signals in patients with polycythemia vera. Rusfertide, a mimetic of the natural hormone hepcidin, demonstrated potential therapeutic value in treating PV and other diseases.
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Protagonist Therapeutics, Inc. (PTGX) announced the addition of two Phase 3 studies, ICONIC-ADVANCE 1 and ICONIC-ADVANCE 2, evaluating JNJ-2113 in head-to-head comparisons against deucravacitinib in patients with moderate-to-severe psoriasis. The company is eligible to receive a $115 million milestone payment upon achieving co-primary endpoints in any of the studies. JNJ-2113 is a targeted oral peptide designed to selectively block the IL-23 receptor, and the Phase 3 program aims to establish it as the preferred oral treatment option for psoriasis patients. Protagonist has a license and collaboration agreement with Janssen for the development and commercialization of JNJ-2113, earning milestone payments upon successful milestones and eligible for additional development and sales milestone payments. The company also retains upward tiering royalties of 6%-10% for net sales of JNJ-2113.
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FAQ

What is the current stock price of Protagonist Ther (PTGX)?

The current stock price of Protagonist Ther (PTGX) is $42.57 as of April 9, 2025.

What is the market cap of Protagonist Ther (PTGX)?

The market cap of Protagonist Ther (PTGX) is approximately 2.5B.

What is the core focus of Protagonist Therapeutics?

Protagonist Therapeutics is dedicated to discovering and developing novel, peptide-based therapeutics that address unmet medical needs, particularly for inflammatory, autoimmune, and hematologic disorders.

What differentiates their approach to drug development?

Their proprietary constrained peptide platform enables the design of stable, oral drug candidates that mimic the efficacy of injectable antibodies while offering the convenience and potential safety benefits of oral administration.

Which key therapeutic candidates are in their pipeline?

The company’s pipeline includes icotrokinra, an oral IL-23 receptor antagonist targeting inflammatory diseases like psoriasis and ulcerative colitis, and rusfertide, a hepcidin mimetic aimed at treating polycythemia vera.

How does Protagonist generate revenue?

Revenue is generated through strategic collaborations and licensing agreements with major pharmaceutical companies, which include milestone payments and shared development costs in advancing their clinical candidates.

What are the strategic collaborations that support its development efforts?

The company collaborates with industry leaders such as Takeda Pharmaceuticals and Johnson & Johnson, which provide vital resources and expertise to further clinical development and market penetration of its drug candidates.

How does the company's technology platform enhance its drug candidates?

The platform allows for the rapid discovery and optimization of constrained peptides, yielding drug candidates with improved bioavailability, stability, and targeted action that can potentially transform treatment paradigms.

What clinical conditions are being targeted by its products?

Protagonist focuses on conditions such as moderate-to-severe plaque psoriasis, ulcerative colitis, and polycythemia vera, leveraging its oral peptide approach to address these complex clinical challenges.

How does Protagonist position itself in the competitive biopharmaceutical landscape?

By combining innovative oral peptide technology with strong strategic partnerships, the company carves out a unique niche that contrasts with traditional injectable therapies, positioning itself as an emerging player in next-generation therapeutics.
Protagonist Ther

Nasdaq:PTGX

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PTGX Stock Data

2.55B
59.14M
1.38%
105.26%
7.93%
Biotechnology
Pharmaceutical Preparations
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