Polyrizon Signs MOU to Acquire Stake in Colugo Systems
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 24 2026
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Source: NASDAQ.COM
- MOU Signing: Polyrizon Ltd., an Israeli biotech firm, has signed a non-binding memorandum of understanding to acquire up to a 20% stake in Colugo Systems Ltd., valued at up to $6 million, potentially paid in cash or shares, indicating a strategic move into the emerging eVTOL market.
- Transaction Conditions and Deadline: The deal is expected to close shortly after certain conditions are met, with the MOU terminating on September 30 if not completed, highlighting the urgency and market opportunity both parties are aiming to capitalize on.
- Market Reaction: In pre-market trading on Nasdaq, Polyrizon's stock fell by 4.20% to $13.70, reflecting cautious investor sentiment regarding the acquisition plan, which may impact confidence in the company's future growth prospects.
- Colugo Systems Overview: Colugo Systems specializes in developing electric vertical take-off and landing drones for defense, emergency response, and commercial clients, including the Israel Defense Forces, showcasing its market potential in high-demand sectors that could provide new growth opportunities for Polyrizon.
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About PLRZ
Polyrizon Ltd is an Israel-based biotechnology company. The Company is primarily engaged and specializing in the development of medical device hydrogels delivered in the form of nasal sprays, which form a thin hydrogel-based shield containment barrier in the nasal cavity that can provide a barrier against viruses and allergens from contacting the nasal epithelial tissue. Its naturally occurring building blocks, is delivered in the form of nasal sprays, and potentially functions as a biological mask with a thin shield containment barrier in the nasal cavity. The Company is focused not only on the development of intranasal products, but also on commercialization. The Company cooperates with medical specialists and researchers..
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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- Patent Application Announcement: Polyrizon announced the receipt of a U.S. patent application notice for its Trap & Target mucoadhesive polymer technology, aimed at enhancing drug retention and absorption in nasal and oral delivery systems, potentially laying the groundwork for future product development.
- Technology Application Potential: The patent application describes formulations that could support the delivery of vaccines, biologics, and anti-inflammatory drugs, indicating that Polyrizon's technology has broad application potential across various therapeutic areas, which may attract interest from the pharmaceutical industry.
- Enhanced Market Competitiveness: By improving drug retention and absorption in mucosal tissues, Polyrizon's technology is expected to strengthen its competitive position in the rapidly growing nasal drug market, thereby driving future revenue growth for the company.
- Strategic Partnership Intent: Polyrizon has also signed a memorandum of understanding to acquire up to a 20% stake in eVTOL firm Colugo, demonstrating its strategic focus on diversifying its business and investing in innovative technologies.
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- Research Collaboration Agreement: Polyrizon has signed an agreement with a leading European university medical center to conduct a performance and characterization study of its NASARIX™ allergy blocker, aimed at validating its nasal residence time to support the assessment of its protective barrier function.
- Clinical Study Design: The study will utilize repeated measurements to evaluate the retention, distribution, and persistence of NASARIX™ in the nasal cavities of healthy participants, which is expected to provide critical data for the company's future FDA submissions.
- Regulatory Compliance: The research will adhere to applicable European regulatory frameworks, including Regulation (EU) 2017/745 (MDR) and Good Clinical Practice (GCP) standards, ensuring scientific rigor and compliance throughout the study.
- Strategic Implications: By collaborating with a leading academic institution and an experienced CRO, Polyrizon aims to enhance data quality, strengthen its competitive position in the biotech sector, and accelerate the market introduction of its products.
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- Clinical Network Expansion: Polyrizon Ltd. has signed agreements with two additional U.S. clinical sites, expanding its NASARIX™ study network to three major centers, which are expected to contribute the highest patient enrollment rates, thereby accelerating the clinical trial's progress.
- Study Design and Objectives: The upcoming multi-center clinical trial will evaluate the safety, tolerability, and efficacy of the NASARIX™ Allergy Blocker in patients with seasonal allergic rhinitis, adhering to international Good Clinical Practice standards to ensure scientific rigor and compliance.
- Efficient Recruitment Advantage: CEO Tomer Izraeli stated that securing three leading clinical centers early will facilitate efficient patient recruitment and timely study execution, demonstrating the company's strong capability in executing its clinical plans.
- Innovative Product Development: NASARIX™ is an intranasal hydrogel formulation designed to create a protective barrier in the nasal cavity to block airborne allergens, potentially offering a non-pharmacological approach to allergy prevention and opening new therapeutic options in the market.
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- Polyrizon Clinical Agreement: Polyrizon Ltd. (PLRZ) gained over 20% on Friday after signing its first Clinical Trial Agreement for NASARIX Allergy Blocker, aimed at treating seasonal allergic rhinitis, marking a significant step towards initiating its first-in-human clinical study and showcasing its innovative potential in biotechnology.
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- Clinical Trial Agreement Signed: Polyrizon Ltd. has signed its first Clinical Trial Agreement with a Texas-based clinical research site, marking a significant milestone in advancing its NASARIXTM Allergy Blocker from development to potential clinical validation.
- Multi-Center Study Plan: The clinical study will evaluate the safety, tolerability, and efficacy of NASARIXTM in patients with seasonal allergic rhinitis, with plans to add additional clinical sites to broaden the study's scope.
- Non-Pharmacological Innovation: NASARIXTM is an investigational intranasal formulation designed to create a protective barrier against airborne allergens, showcasing Polyrizon's innovative potential in the biomedical device sector.
- Compliance with International Standards: The trial will be conducted in accordance with international Good Clinical Practice (GCP) standards and applicable regulatory requirements, supporting Polyrizon's broader regulatory strategy to ensure compliance and effectiveness of the research.
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