Polyrizon Ltd. (NASDAQ:PLRZ) (the "Company" or "Polyrizon"), a development-stage biotech company specializing in the development of innovative intranasal hydrogels, today 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 now completed the contracting process with all five clinical sites selected to participate in the study, marking an important operational milestone in the advancement of the NASARIX™ clinical program.