18 October, 2025
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The U.S. Food and Drug Administration (FDA) has lifted the clinical hold on Neurizon Therapeutics Limited’s lead investigational therapy, NUZ-001, paving the way for its entry into the HEALEY ALS Platform Trial. This decision, announced on October 6, 2025, represents a significant step forward for both the company and the amyotrophic lateral sclerosis (ALS) community.

Neurizon, a clinical-stage biotechnology firm based in Melbourne, Australia, aims to advance innovative treatments for neurodegenerative diseases. The FDA’s clearance allows for the Phase 2/3 development of NUZ-001, with patient enrollment expected to begin in the fourth quarter of 2025.

Dr. Michael Thurn, Managing Director and CEO of Neurizon, expressed enthusiasm regarding the FDA’s decision. “The FDA’s clearance of our IND application marks a significant milestone in our mission to bring NUZ-001 closer to patients living with ALS,” he stated. He acknowledged the crucial role played by key opinion leaders and patient advocacy groups in supporting the program. Their efforts have helped raise awareness and highlight the urgent needs of the ALS community.

The lifting of the clinical hold establishes a robust regulatory foundation for NUZ-001, which is backed by strong preclinical safety data and comprehensive manufacturing details obtained through a licensing agreement with Elanco. This framework not only accelerates the development of NUZ-001 but also streamlines future programs, potentially reducing regulatory risks and facilitating expansion into new indications.

Neurizon’s strategy focuses on leveraging NUZ-001 as a platform molecule with the potential for future pipeline expansions. The IND application, bolstered by a comprehensive package of preclinical safety data, enhances confidence in the platform’s readiness for clinical development. This positions Neurizon for accelerated regulatory pathways and future partnering opportunities.

Looking ahead, Neurizon anticipates that Mass General Hospital will file a protocol amendment to their IND for the HEALEY ALS Platform Trial, incorporating Neurizon’s specific protocol regimen shortly. This collaboration is viewed as a crucial next step in advancing NUZ-001’s development.

As the company prepares for patient enrollment in the HEALEY ALS Platform Trial, it aims to accelerate patient access to innovative therapies while creating long-term value for shareholders. The progress made with NUZ-001 signifies a commitment to developing effective treatments for ALS, a condition with limited options for patients.

Neurizon Therapeutics Limited is focused on developing NUZ-001 for ALS, the most common form of motor neurone disease. The company is dedicated to exploring the broader potential of this investigational product beyond ALS while conducting rigorous clinical programs.

It is important to note that NUZ-001 remains an investigational product and is not approved for commercial use in any jurisdiction. Neurizon® is a registered trademark of Neurizon Therapeutics Limited.