PureTech Founded Entity Seaport Therapeutics Announces First Patient Dosed in Phase 2b BUOY-1 Study of GlyphAllo™ (SPT-300) in Major Depressive Disorder (MDD), With or Without Anxious Distress
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jul 17 2025
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Should l Buy PRTC?
Source: Newsfilter
BUOY-1 Study Announcement: Seaport Therapeutics has initiated the Phase 2b BUOY-1 study for GlyphAllo, an oral prodrug of allopregnanolone, targeting major depressive disorder (MDD) with or without anxious distress, following positive results from earlier phases.
Potential Impact and Mechanism: GlyphAllo aims to provide a first-in-class treatment option by enhancing the bioavailability of allopregnanolone, which has shown rapid antidepressant and anxiolytic effects, addressing limitations of previous formulations that restricted its clinical use.
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About PRTC
PureTech Health plc is a clinical-stage company dedicated to giving life to new classes of medicine to change the lives of patients with devastating diseases. The Company is engaged in the development of around 29 therapeutics and therapeutic candidates, including three that have been approved by the United States Food and Drug Administration. A number of these programs are advanced by the Company or its Founded Entities in various indications and stages of clinical development. Its primary programs include LYT-100 and LYT-200. Deupirfenidone (LYT-100) is being developed as a potential new standard of care (SOC) for the treatment of idiopathic pulmonary fibrosis (IPF). LYT-200 is an anti-galectin-9 monoclonal antibody (mAb) being developed for the treatment of hematological malignancies, including acute myeloid leukemia (AML) and high-risk myelodysplastic syndromes (MDS), as well as solid tumors, including head and neck cancers, with a focus on metastatic disease.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Announcement Date: The announcement regarding the appointment was made on Thursday.
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- Capital Efficiency Improvement: Lyne emphasizes a streamlined operational structure and a disciplined investment strategy to ensure efficient capital utilization while advancing key innovation initiatives.
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See More
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- Funding Plans: The company plans to secure funding for Celea Therapeutics by the first half of 2026, which is expected to significantly reduce operational costs and enhance capital return rates.
- Innovation Strategy: Lyne emphasized a streamlined structure and capital-efficient innovation strategy to ensure sustainable shareholder value at key inflection points.
- Market Positioning: The appointment of the new CEO is viewed as a critical step in optimizing shareholder returns, demonstrating the company's commitment to maintaining competitiveness in the rapidly evolving biopharmaceutical market.
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Meihua International Medical Technologies: Shares of Meihua International Medical Technologies fell 32.9% in pre-market trading after the announcement of its delisting from Nasdaq.
Other Notable Stock Movements: Several other stocks experienced significant declines in pre-market trading, including SMX down 17.2%, Gulf Resources down 16.1%, and Wheeler Real Estate down 16.1%.
Market Reactions: The market saw various stocks decline after previous gains, with Fly-E Group and Ecarx Holdings also reporting notable drops due to regulatory issues and market fluctuations.
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- Clear Financing Plans: Celea Therapeutics expects to finalize financing in early 2026 to support the initiation of the Phase 3 trial, paving the way for LYT-100's commercialization and further enhancing PureTech's competitiveness in the biotherapeutics sector.
See More
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- Announcement Date: The announcement regarding the appointment was made on Thursday.
See More
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- Leadership Change: PureTech Health plc appoints Robert Lyne as CEO, aiming to leverage his extensive experience in the biotech sector to drive the company's strategic development in innovation and funding.
- Funding Plans: The company plans to secure funding for its newly founded entity, Celea Therapeutics, by the first half of 2026, which is expected to significantly reduce operational costs and enhance shareholder value.
- Capital Efficiency Improvement: Lyne emphasizes a streamlined operational structure and a disciplined investment strategy to ensure efficient capital utilization while advancing key innovation initiatives.
- Strategic Focus: The new CEO will concentrate on optimizing shareholder returns, with plans to evaluate potential capital return methods after Celea is fully financed, ensuring sustained growth in the biopharmaceutical sector.
See More
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- Leadership Change: PureTech Health has appointed Robert Lyne as CEO, aiming to leverage his extensive experience in life sciences to drive the company's strategic execution in biotherapeutic innovation.
- Funding Plans: The company plans to secure funding for Celea Therapeutics by the first half of 2026, which is expected to significantly reduce operational costs and enhance capital return rates.
- Innovation Strategy: Lyne emphasized a streamlined structure and capital-efficient innovation strategy to ensure sustainable shareholder value at key inflection points.
- Market Positioning: The appointment of the new CEO is viewed as a critical step in optimizing shareholder returns, demonstrating the company's commitment to maintaining competitiveness in the rapidly evolving biopharmaceutical market.
See More
Meihua International Medical Technologies, Fly-E Group, and Other Major Stocks Decline in Pre-Market Trading on Monday
U.S. Stock Futures: U.S. stock futures showed mixed results, with Dow futures down approximately 0.1% on Monday morning.
Meihua International Medical Technologies: Shares of Meihua International Medical Technologies fell 32.9% in pre-market trading after the announcement of its delisting from Nasdaq.
Other Notable Stock Movements: Several other stocks experienced significant declines in pre-market trading, including SMX down 17.2%, Gulf Resources down 16.1%, and Wheeler Real Estate down 16.1%.
Market Reactions: The market saw various stocks decline after previous gains, with Fly-E Group and Ecarx Holdings also reporting notable drops due to regulatory issues and market fluctuations.
See More
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- Successful FDA Meeting: PureTech's completion of the EOP2 meeting with the FDA yielded productive feedback on the Phase 3 program for LYT-100 (deupirfenidone) in treating idiopathic pulmonary fibrosis (IPF), indicating smooth development progress that may expedite its market entry.
- Phase 3 Trial Design: The upcoming SURPASS-IPF trial will compare the efficacy of LYT-100 against existing treatment pirfenidone, with the primary endpoint being the absolute change in lung function over 52 weeks, which is expected to provide robust support for LYT-100's registration.
- Clinical Data Support: In the Phase 2b ELEVATE IPF trial, LYT-100 demonstrated significant lung function improvement, with a 91 mL difference in FVC decline at 26 weeks between the 825 mg TID group and placebo, highlighting its potential therapeutic advantage.
- Financing Plans: Celea Therapeutics anticipates finalizing financing in early 2026 to support the initiation of the SURPASS-IPF trial, ensuring financial backing for the continued development of LYT-100.
See More
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- Optimized Trial Design: The Phase 3 trial will compare LYT-100 at 825 mg TID against pirfenidone at 801 mg TID, with the primary endpoint assessing changes in forced vital capacity (FVC) at 52 weeks, aiming to validate LYT-100's superiority and establish it as a new standard of care.
- Clinical Data Support: In the Phase 2b ELEVATE IPF trial, LYT-100 demonstrated significant lung function improvement, with a decline rate of -21.5 mL at 26 weeks compared to -112.5 mL in the control group, indicating its effectiveness in slowing disease progression.
- Clear Financing Plans: Celea Therapeutics expects to finalize financing in early 2026 to support the initiation of the Phase 3 trial, paving the way for LYT-100's commercialization and further enhancing PureTech's competitiveness in the biotherapeutics sector.
See More
