Telix and Eckert & Ziegler to Partner on Actinium-225 Production Technology

MELBOURNE, Australia and BERLIN, Germany, Nov. 13, 2024 /PRNewswire/ -- Telix Pharmaceuticals Limited (ASX: TLX, Telix, the Company) today announces that it has entered into a technology collaboration and licence agreement with Berlin-based Eckert & Ziegler SE (EZAG) for the use of EZAG's cyclotron-based systems to produce the alpha-emitting isotope, actinium-225 (²²⁵Ac). This provides Telix with both an additional commercial source of ²²⁵Ac and access to a platform technology that enables highly efficient, scalable isotope production for use in the development of next generation targeted alpha therapies (TATs), a strategic focus for Telix.

EZAG is one of the world's largest providers of isotope technology for medical, scientific and industrial use and a long-term partner of Telix. By combining EZAG's technology with Telix's rapidly expanding global manufacturing footprint, the collaboration will enhance capacity to produce ²²⁵Ac, to accelerate the development of Telix's alpha therapy candidates and support eventual commercial demand.

"This new collaboration is a significant step in the implementation of our actinium strategy," said Dr. Harald Hasselmann, Chief Executive Officer of Eckert & Ziegler. "Eckert & Ziegler and Telix have a long-standing and multi-faceted business relationship. Combining the strengths of two leading players in radiopharmaceuticals and isotopes will create a collaboration for the supply of actinium-225-based radiotherapeutics, that are of high interest worldwide."

Raphaël Ortiz, Chief Executive Officer, Telix International, added: "Targeted alpha therapy is regarded as the next frontier in the field of radiopharmaceuticals and is a priority R&D focus for Telix. This collaboration will enable us to unlock the early investment we have made in alpha therapy candidates and further leverage our manufacturing facilities worldwide, including in Brussels South, for the production of this important alpha emitting isotope."

Alpha emitters such as ²²⁵Ac have the potential to deliver high amounts of energy to cancer tissue, while their short range can reduce the risk of damage to surrounding healthy cells, increasing the selectivity and potency of radiation treatment. In contrast, beta emitters such as lutetium-177 (¹⁷⁷Lu) and iodine-131 (¹³¹I) have a longer penetration, which may suit bulky metastatic disease. The development of TATs is a priority research and development focus area for Telix and is highly complementary to the Company's existing late-stage therapeutic pipeline. Experts believe the demand for ²²⁵Ac will increase significantly over the next decade.

Telix's R&D commitment to TAT is demonstrated in an extensive clinical-stage TAT pipeline:

• TLX592, a PSMA^[1]-targeting prostate cancer therapy candidate based on the Company's proprietary RADmAb® engineered antibody technology;
• TLX252, a CAIX^[2]-targeting radio antibody-drug conjugate (rADC) under development as a potential complement to the TLX250 (beta) program;
• TLX102^[3], a LAT1^[4]-targeting small molecule-based candidate under development as a potential complement to the TLX101 and TLX101-CDx brain cancer programs; and
• TLX300, a radiolabelled form of a naked antibody in-licensed from Eli Lilly & Company, under investigation in soft tissue sarcoma^[5].

In addition, the completed OPALESCENCE^[6] and PERTINENCE^[7] investigator-initiated trials have demonstrated CAIX-targeting and dosimetry proof-of-concept for alpha therapy in triple-negative breast cancer, and non-muscle-invasive bladder cancer, respectively, using TLX250-CDx PET^[8].

About Eckert & Ziegler SE

Eckert & Ziegler SE, with more than 1,000 employees, is a leading specialist in isotope-related components for nuclear medicine and radiation therapy. The company offers a broad range of services and products for the radiopharmaceutical industry, from early development work to contract manufacturing and distribution. Eckert & Ziegler shares (ISIN DE0005659700) are listed in the TecDAX index of Deutsche Börse. For more information visit: www.ezag.com  
Contributing to saving lives.

About Telix Pharmaceuticals Limited

Telix is a biopharmaceutical company focused on the development and commercialisation of therapeutic and diagnostic radiopharmaceuticals and associated medical devices. Telix is headquartered in Melbourne, Australia, with international operations in the United States, Europe (Belgium and Switzerland), and Japan. Telix is developing a portfolio of clinical and commercial stage products that aims to address significant unmet medical needs in oncology and rare diseases. Telix is listed on the Australian Securities Exchange (ASX: TLX).

Telix's lead imaging product, gallium-68 (⁶⁸Ga) gozetotide injection (also known as ⁶⁸Ga PSMA-11 and marketed under the brand name Illuccix®), has been approved by the U.S. Food and Drug Administration (FDA)^[9], by the Australian Therapeutic Goods Administration (TGA) ^[10], and by Health Canada^[11]. No other Telix product has received a marketing authorisation in any jurisdiction.

Visit www.telixpharma.com for further information about Telix, including details of the latest share price, announcements made to the ASX, investor and analyst presentations, news releases, event details and other publications that may be of interest. You can also follow Telix on X and LinkedIn.

Telix Investor Relations
Ms. Kyahn Williamson
Telix Pharmaceuticals Limited
SVP Investor Relations and Corporate Communications
Email: [email protected]

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