Polyrizon Submits Pre-Request for Designation to FDA for PL-16 Viral Blocker Designed to Reduce the Exposure to Influenza and Cold Viruses [Yahoo! Finance]
Polyrizon Ltd. - Ordinary Shares (PLRZ)
Company Research
Source: Yahoo! Finance
Raanana, Israel, Dec. 19, 2025 (GLOBE NEWSWIRE) -- Polyrizon Ltd., a pre-clinical-stage biotechnology company developing intranasal protective solutions, announced today that it has submitted a Pre-Request for Designation (Pre-RFD) to the U.S. Food and Drug Administration (FDA) for its PL-16 Viral Blocker , a non-pharmacological intranasal product designed to reduce exposure to airborne respiratory viruses, including influenza and cold viruses, by forming a temporary physical barrier on the nasal mucosa. The Pre-RFD submission initiates a formal regulatory dialogue with the FDA regarding the appropriate regulatory pathway for PL-16 Viral Blocker, based on its formulation and physical mode of action. This step comes at a time when seasonal respiratory infections remain a significant public health challenge. According to preliminary model-based estimates from the CDC, the 2025–2026 flu season has already resulted in at least 2.9 million symptomatic illnesses, 1.4 million medical vi
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News
- Polyrizon Submits Pre-Request for Designation to FDA for PL-16 Viral Blocker Designed to Reduce the Exposure to Influenza and Cold VirusesGlobeNewswire
- Polyrizon Announces Promising Permeation Kinetics Supporting Advancement of Its Intranasal Naloxone Hydrogel ProgramGlobeNewswire
- Polyrizon Completes FDA Pre-Submission Meeting for PL-14 Allergy Blocker Nasal SprayGlobeNewswire
- From Lab to Global Impact: Polyrizon's Journey to Potentially Redefining Next-Generation Nasal ProtectionGlobeNewswire
- Polyrizon Reports Positive Mucoadhesion Results for Intranasal Naloxone Hydrogel Compared to Marketed Intranasal Naloxone product [Yahoo! Finance]Yahoo! Finance
PLRZ
Sec Filings
- 12/19/25 - Form 6-K
- 12/12/25 - Form SCHEDULE
- 12/12/25 - Form SCHEDULE
- PLRZ's page on the SEC website