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Polyrizon (Nasdaq: PLRZ) makes GMP CTM for planned U.S. study

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6-K

Rhea-AI Filing Summary

Polyrizon Ltd. reported that it has successfully produced a Good Manufacturing Practice (GMP) batch of clinical trial material for its lead intranasal product candidate, working with Eurofins CDMO AmatsiAquitaine S.A.S. This batch will supply a planned clinical study in the United States later this year.

The GMP lot follows two earlier development batches that showed consistent manufacturing performance and product stability, supporting a robust, reproducible process. Polyrizon views this manufacturing milestone as an important step in advancing its clinical development strategy and its intranasal technology platform aimed at protecting against airborne allergens and viruses.

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Insights

GMP clinical material production moves Polyrizon closer to first U.S. trial.

Polyrizon has completed a GMP batch of clinical trial material for its lead intranasal candidate with Eurofins CDMO AmatsiAquitaine S.A.S. This follows two development batches that demonstrated batch-to-batch consistency and stability, suggesting the manufacturing process is technically ready to support clinical testing.

The milestone supports preparations for a planned U.S. clinical study later this year, marking a transition from pre-clinical work toward human trials. Actual impact on the company’s outlook will depend on study design, regulatory feedback and eventual clinical results, which are not detailed in this disclosure.

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

Form 6-K

 

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

 

For the month of March 2026

 

Commission file number: 001-42375

 

Polyrizon Ltd.

(Translation of registrant’s name into English)

 

5 Ha-Tidhar Street

Raanana, 4366507, Israel

(Address of principal executive offices)

 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

 

Form 20-F ☒     Form 40-F 

  

 

 

 

 

 

 

CONTENTS

        

Attached hereto and incorporated herein is the Registrant’s press release issued on March 10, 2026, titled “Polyrizon Announces GMP Manufacturing of Clinical Trial Material (CTM) with Eurofins CDMO AmatsiAquitaine S.A.S for Planned U.S. Clinical Study.”

 

The first five paragraphs of the press release attached to this Report of Foreign Private Issuer on Form 6-K as Exhibit 99.1 are incorporated by reference into the Registrant’s Registration Statements on Form S-8 (File No. 333-284410 and 333-288923) and Form F-3 (333-291368), filed with the Securities and Exchange Commission, to be a part thereof from the date on which this report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

 

1

 

 

EXHIBIT INDEX

 

Exhibit No.    
99.1   Press release titled: “Polyrizon Announces GMP Manufacturing of Clinical Trial Material (CTM) with Eurofins CDMO AmatsiAquitaine S.A.S for Planned U.S. Clinical Study”

 

2

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

  Polyrizon Ltd.
   
Date: March 10, 2026 By: /s/ Tomer Izraeli
  Name:  Tomer Izraeli
  Title: Chief Executive Officer

 

3

 

Exhibit 99.1

 

Polyrizon Announces GMP Manufacturing of Clinical Trial Material (CTM) with Eurofins CDMO AmatsiAquitaine S.A.S for Planned U.S. Clinical Study

 

Raanana, Israel, March 10, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (“Polyrizon” or the “Company”), a pre-clinical-stage biotechnology company developing intranasal administrated solutions, today announced the successful production of a Good Manufacturing Practice (GMP) batch of clinical trial material (CTM) for its lead product candidate.

 

This milestone follows the Company’s previously announced manufacturing agreement with Eurofins CDMO AmatsiAquitaine S.A.S, a leading global GMP CDMO, established to support the supply of clinical trial material for Polyrizon’s clinical development program.

 

The GMP manufacturing milestone represents a key step in Polyrizon’s clinical development program and supports the company’s preparations for a planned clinical study in the United States later this year.

 

The GMP batch was manufactured following the successful production of two prior development batches, which demonstrated batch-to-batch consistency and product stability over time, supporting the robustness and reproducibility of the manufacturing process.

 

The CTM batch was produced in compliance with applicable GMP standards in collaboration with Eurofins CDMO AmatsiAquitaine S.A.S, and will be used to support upcoming clinical activities and regulatory submissions related to the study.

 

“This manufacturing milestone represents an important step in advancing our clinical development strategy,” said Tomer Izraeli, CEO of Polyrizon. “Following the successful production of development batches that confirmed manufacturing consistency and stability, the GMP production of clinical material enables us to move forward with our planned U.S. clinical study and reflects our continued commitment to developing innovative intranasal solutions designed to protect against airborne allergens and viruses.”

 

This milestone reflects Polyrizon’s continued progress toward advancing its intranasal technology platform and bringing novel preventive solutions for respiratory conditions closer to patients.

 

 

 

About Polyrizon

 

Polyrizon is a development stage biotech company specializing in the development of innovative medical device hydrogels delivered in the form of nasal sprays, which form a thin hydrogel-based shield containment barrier in the nasal cavity that can provide a barrier against viruses and allergens from contacting the nasal epithelial tissue. Polyrizon’s proprietary Capture and Contain TM, or C&C, hydrogel technology, comprised of a mixture of naturally occurring building blocks, is delivered in the form of nasal sprays, and potentially functions as a “biological mask” with a thin shield containment barrier in the nasal cavity. Polyrizon are further developing certain aspects of our C&C hydrogel technology such as the bioadhesion and prolonged retention at the nasal deposition site for intranasal delivery of drugs. Polyrizon refers to its additional technology, which is in an earlier stage of pre-clinical development, that is focused on nasal delivery of active pharmaceutical ingredients, or APIs, as Trap and Target ™, or T&T. For more information, please visit https://polyrizon-biotech.com.

 

Forward Looking Statements

 

This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 and other securities laws. Words such as “expects,” “anticipates,” “intends,” “plans,” “believes,” “seeks,” “estimates” and similar expressions or variations of such words are intended to identify forward-looking statements. For example, the Company is using forward-looking statements when it discusses continuing to advance its naloxone program as part of its broader intranasal platform strategy. Forward-looking statements are not historical facts, and are based upon management’s current expectations, beliefs and projections, many of which, by their nature, are inherently uncertain. Such expectations, beliefs and projections are expressed in good faith. However, there can be no assurance that management’s expectations, beliefs and projections will be achieved, and actual results may differ materially from what is expressed in or indicated by the forward-looking statements. Forward-looking statements are subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in the forward-looking statements. For a more detailed description of the risks and uncertainties affecting the Company, reference is made to the Company’s reports filed from time to time with the Securities and Exchange Commission (“SEC”), including, but not limited to, the risks detailed in the Company’s annual report filed with the SEC on March 11, 2025 and subsequent filings with the SEC. Forward-looking statements speak only as of the date the statements are made. The Company assumes no obligation to update forward-looking statements to reflect actual results, subsequent events or circumstances, changes in assumptions or changes in other factors affecting forward-looking information except to the extent required by applicable securities laws. If the Company does update one or more forward-looking statements, no inference should be drawn that the Company will make additional updates with respect thereto or with respect to other forward-looking statements. References and links to websites have been provided as a convenience, and the information contained on such websites is not incorporated by reference into this press release. Polyrizon is not responsible for the contents of third-party websites.

 

Contacts:
Michal Efraty
Investor Relations
IR@polyrizon-biotech.com

 

 

FAQ

What did Polyrizon (PLRZ) announce in its March 2026 Form 6-K?

Polyrizon announced successful production of a GMP batch of clinical trial material for its lead intranasal product candidate. The material, made with Eurofins CDMO AmatsiAquitaine S.A.S, is intended to support a planned U.S. clinical study later this year as part of its development program.

How does Eurofins CDMO AmatsiAquitaine S.A.S support Polyrizon (PLRZ)?

Eurofins CDMO AmatsiAquitaine S.A.S manufactures Polyrizon’s GMP clinical trial material under a previously announced agreement. The partner produced the GMP batch after two successful development batches, providing compliant supply to back Polyrizon’s clinical development program and upcoming regulatory submissions for a planned U.S. clinical study.

Why is GMP clinical trial material important for Polyrizon (PLRZ)?

Producing GMP clinical trial material is a key step toward starting human studies because it meets regulatory-quality standards. For Polyrizon, the completed GMP batch supports its planned U.S. clinical study and demonstrates a reproducible, stable manufacturing process for its lead intranasal product candidate.

What technologies is Polyrizon (PLRZ) developing for respiratory protection?

Polyrizon is developing hydrogel-based nasal sprays that form a thin barrier in the nasal cavity. Its Capture and Contain (C&C) technology aims to block viruses and allergens, while its earlier-stage Trap and Target (T&T) platform focuses on intranasal delivery of active pharmaceutical ingredients using similar hydrogel concepts.

What stage of development is Polyrizon’s lead product candidate in?

Polyrizon describes itself as a pre-clinical-stage biotechnology company and has just completed GMP production of clinical trial material. This indicates the program is moving from pre-clinical work toward a planned U.S. clinical study, supported by data on batch consistency and product stability from prior development batches.

What therapeutic goal does Polyrizon’s intranasal platform aim to address?

Polyrizon’s intranasal platform is designed to act as a “biological mask” by forming a hydrogel-based barrier in the nasal cavity. The company aims to provide preventive solutions that protect against airborne allergens and viruses, and is also exploring nasal delivery of active pharmaceutical ingredients using its technology.

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Polyrizon Ltd

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