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Polyrizon Ltd.
PLRZHealthcareNASDAQIL
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Raanana, Israel, May 13, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (the “Company” or “Polyrizon”), a development-stage biotech company specializing in the development of innovative intranasal hydrogels, today announced the signing of its first Clinical Trial Agreement (CTA) with a U.S.-based clinical research site specializing in allergy studies, marking a key milestone toward the initiation of its clinical program for the NASARIXTM (PL-14) Allergy Blocker.
In light of the growing challenges posed by emerging respiratory threats, including recent Hantavirus, Polyrizon is advancing a biophysical barrier technology that may offer immediate, non-specific defense at the nasal gateway HONG KONG, May 11, 2026 /PRNewswire/ -- Recent World Health Organization reports of Hantavirus clusters, including clusters of severe acute respiratory illness, have once again served as a stark reminder: the next major viral threat is never far away. Whether it is Hantavirus, a novel coronavirus variant, or an unexpected influenza strain, the pattern is consistent.
Raanana, Israel, May 04, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (the “Company” or “Polyrizon”), a development-stage biotech company specializing in the development of innovative intranasal hydrogels, today announced the submission of amended claims in its U.S. patent application for its proprietary intranasal drug delivery platform.
Raanana, Israel, April 27, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (the “Company” or “Polyrizon”), a development-stage biotech company specializing in the development of innovative intranasal hydrogels, today announced the filing of a divisional patent application with the Europe Patent Office for its Trap & Target (T&T) platform technology. This application focuses exclusively on protecting the Company's advanced intranasal drug delivery system, which is designed to enhance the effectiveness of medications by increasing their residence time and ensuring close contact with mucosal tissues and aligns with the Company's recently announced U.S. patent application which encompasses key aspects of Polyrizon's two core platform technologies: Capture and Contain (C&C™), a nasal blocker technology, and Trap and Target (T&T™), designed for advanced nasal drug delivery.
RAANANA, ISRAEL, April 08, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (NASDAQ: PLRZ) (the “Company”), a pre-clinical-stage biotechnology company developing intranasal protective solutions, today announced the closing of its previously announced registered direct offering and concurrent private placement with a single institutional investor. The Company issued Ordinary Shares and pre-funded warrants in a registered direct offering. In a concurrent private placement, the Company also issued to the same investor pre-funded and investor warrants. Aggregate gross proceeds to the Company from both transactions were approximately $3.5 million. The transactions closed on April 8, 2026.
Company Concluded 2025 with Robust Cash Position, Debt-Free Balance Sheet and Significant Pipeline Achievements Company Concluded 2025 with Robust Cash Position, Debt-Free Balance Sheet and Significant Pipeline Achievements
Raanana, Israel, March 25, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (“Polyrizon” or the “Company”), a pre-clinical-stage biotechnology company developing intranasal protective solutions, today announced that it has filed its Annual Report on Form 20-F for the fiscal year ended December 31, 2025, with the U.S. Securities and Exchange Commission (the "SEC").
The Company signed a non-binding MOU with shareholders of Colugo. Colugo's customer include the Israel Defense Forces, national first responders organizations and commercial companies
Raanana, Israel, March 17, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (“Polyrizon” or the “Company”), a pre-clinical-stage biotechnology company developing intranasal administrated solutions, today announced the signing of an agreement with a leading global preclinical Contract Research Organization (CRO), a recognized expert in biocompatibility and regulatory-compliant testing.
Raanana, Israel, March 10, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (“Polyrizon” or the “Company”), a pre-clinical-stage biotechnology company developing intranasal administrated solutions, today announced the successful production of a Good Manufacturing Practice (GMP) batch of clinical trial material (CTM) for its lead product candidate.
