Polyrizon signs all five U.S. sites for NASARIX allergy trial

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Polyrizon Completes All Five U.S. Site Contracts for NASARIX™ First-in-Human Allergy Study

September 2, 2026 7:32 AM EDT

Raanana, Israel, Sept. 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, recently announced that it has completed contracting with the fourth and fifth clinical sites participating in its clinical study of NASARIX Allergy Blocker (PL-14).

With the execution of these final agreements, Polyrizon has completed the contracting with all five U.S. clinical sites selected for the study, marking an important operational milestone and moves the NASARIX program into study execution. The planned first-in-human study is a prospective, multicenter,... More