Raanana, Israel, April 25, 2025 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (the “Company” or “Polyrizon”), a development stage biotech company specializing in the development of innovative intranasal hydrogels, announced today the successful preliminary safety study for a formulation of its PL-14 Allergy Blocker, marking a significant advancement in the product’s development path. Conducted on fully differentiated human nasal tissue using the MucilAir™ model, the study demonstrated strong local tole ...