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Raanana, Israel, July 02, 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 successful results from its biocompatibility evaluation program for its proprietary NASARIXTM Allergy Blocker nasal spray, with all required biological safety tests meeting their…

Raanana, Israel, June 29, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (the “Company” or “Polyrizon”), a development-stage biotech company specializing in the development of innovative intranasal hydrogels, announced it has received central IRB approval to begin its first human clinical trial for NASARIX™, the Company's innovative nasal spray designed to block airborne allergens.

Raanana, Israel, June 17, 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 publication of U.S. patent application No. US 2024/0358741 A1, titled “Mucoadhesive Polymers for Nasal Drug Delivery”.

New performance and characterization study in collaboration with leading European medical center marks a critical milestone in the validation of the NASARIX™ allergy blocker's protective barrier function Raanana, Israel, June 15, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (the “Company” or “Polyrizon”), a development-stage biotech company specializing in the development of innovative intranasal…

Raanana, Israel, June 10, 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 that the European Patent Office (EPO) has completed the technical preparations for the publication of the Company's European patent application entitled “Mucoadhesive Polymers for Nasal…