Cellectar Biosciences and U.S.-based Nusano Enter Into Multi-Isotope Supply Agreement

On June 26, 2025 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, reported 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 (Press release, Nusano, JUN 26, 2025, View Source [SID1234654137]).

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"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."