On August 4, 2020 Cellectar Biosciences, Inc. (NASDAQ: CLRB), a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of drugs for the treatment of cancer, reported a poster presentation at the upcoming rescheduled International Symposium on Pediatric Neuro-Oncology (ISPNO) annual meeting taking place December 13-16 in Karuizawa, Japan (Press release, Cellectar Biosciences, AUG 4, 2020, View Source [SID1234562799]).

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One of the study investigators, Dr. Diane Puccetti, a faculty member of the University of Wisconsin School of Medicine and Public Health and Medical Director of the American Family Children’s Hospital will present the poster, entitled: "CLR 131 in patients with relapsed or refractory pediatric malignancies," which highlights Phase 1 study data including subjects with various brain tumors.

The Phase 1 study (NCT03478462) is an open-label dose escalation study of CLR 131 in children and adolescents with relapsed or refractory cancers, including malignant brain tumors, neuroblastoma, rhabdomyosarcoma, Ewing’s sarcoma, osteosarcoma and lymphomas (including Hodgkin’s lymphoma). Patients in the study have received infusions of CLR 131 in escalating dose levels. To date, all doses have been deemed safe and tolerated by the independent Data Monitoring Committee, including the 60mCi/m2 dose level.

A copy of the presentation materials can be accessed on the Events and Presentations section of the Cellectar website once the presentation concludes.

About CLR 131

CLR 131 is a small-molecule Phospholipid Drug Conjugate designed to provide targeted delivery of iodine-131 (radioisotope) directly to cancer cells, while limiting exposure to healthy cells unlike many traditional on-market treatment options. CLR 131 is the company’s lead product candidate and is currently being evaluated in a Phase 2 study in B-cell lymphomas, and a Phase 1 dose-escalating clinical study in pediatric solid tumors and lymphomas. The company recently completed a Phase 1 dose-escalation clinical study in relapsed/refractory (r/r) multiple myeloma. The FDA granted CLR 131 Fast Track Designation for both r/r multiple myeloma and r/r diffuse large b-cell lymphoma and Orphan Drug Designation (ODD) for the treatment of multiple myeloma, lymphoplasmacytic lymphoma/Waldenstrom’s macroglobulinemia, neuroblastoma, rhabdomyosarcoma, Ewing’s sarcoma and osteosarcoma. CLR 131 was also granted Rare Pediatric Disease Designations for the treatment of neuroblastoma, rhabdomyosarcoma, Ewing’s sarcoma and osteosarcoma. Most recently, the European Commission granted an ODD for r/r multiple myeloma.