FLORHAM PARK, N.J. and WEST VALLEY CITY, Utah, June 26, 2025 (GLOBE NEWSWIRE) — Cellectar Biosciences, Inc. (NASDAQ: CLRB), a late-stage clinical biopharmaceutical company focused on the discovery and development of drugs for the treatment of cancer, and Nusano, a physics company transforming the production of radioisotopes, today announced the signing of a multi-year supply agreement in which Nusano will provide Cellectar with iodine-125 (I-125) and actinium-225 (Ac-225) for its clinical studies and future commercial needs.
“Securing a reliable supply of both iodine-125 and actinium-225 is a critical milestone in advancing our targeted radiotherapy programs,” said James Caruso, chief executive officer of Cellectar. “This agreement ensures uninterrupted access to these essential isotopes, providing the necessary clinical development supply for our innovative clinical stage programs, including CLR 125 for triple negative breast cancer and CLR 225 for pancreatic cancer. We look forward to partnering with Nusano to support our mutual vision to deliver new radiotherapeutics to patients in critical need of novel treatment options. I-125 and Ac-225 will be produced at Nusano’s next-generation radioisotope production facility in Utah. This production platform enables the creation of rare and hard-to-produce medical radioisotopes in quantities needed for commercial-stage therapeutics and diagnostics.”
“The power and flexibility of the Nusano production platform is designed to solve the critical supply chain challenges and enable innovation across multiple industries,” said Chris Lowe, chief executive officer of Nusano. “We’re proud to support Cellectar with critical isotope supplies so they can advance their product pipeline and create new, personalized cancer treatments.”

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About Nusano
Nusano is a privately held physics company committed to: bringing supply stability and innovation to the rapidly emerging and critically undersupplied medical radioisotopes market, serving industrial and commercial markets dependent on reliable access to high quality radioisotopes for their products and services, and enabling next-generation energy solutions. Nusano’s breakthrough technologies are poised to help supply the fight against cancer and enable innovation across multiple industries. For more, please visit nusano.com.
About Cellectar Biosciences, Inc.
Cellectar Biosciences is a late-stage clinical biopharmaceutical company focused on the discovery and development of proprietary drugs for the treatment of cancer, independently and through research and development collaborations. The company’s core objective is to leverage its proprietary Phospholipid Drug Conjugate™ (PDC) delivery platform to develop the next-generation of cancer cell-targeting treatments, delivering improved efficacy and better safety as a result of fewer off-target effects.
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