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10C4-B10

Development stage
Preclinical
Lead developer
Fred Hutchinson Cancer Research Institute
Modality
Antibody-Radionuclide Conjugates → Antibody Conjugates → Antibody-Based Therapeutics, Monoclonal Antibodies → Antibody-Based Therapeutics
Administration
Intravenous
01

Overview

10C4-B10 is a boron-cage-conjugated murine monoclonal antibody targeting CD123 (interleukin-3 receptor alpha chain), developed by researchers at the Fred Hutchinson Cancer Research Center. The antibody clone 10C4 is conjugated with isothiocyanatophenethyl-ureido-closo-decaborate(2-) (B10), which serves as a stable linker for labeling with the alpha-particle emitting radionuclide astatine-211 (211At). This radioimmunotherapy (RIT) approach is designed to deliver high-energy radiation specifically to CD123-positive cells, which are widely expressed in acute myeloid leukemia (AML), myelodysplastic syndrome (MDS), and other hematologic malignancies, including leukemic stem cells. Preclinical studies have demonstrated that 211At-labeled 10C4-B10 effectively reduces tumor burden and prolongs survival in leukemia xenograft models.

Other names
B10-conjugated anti-CD123 mAbB-10-conjugated anti-CD123 mAbB 10-conjugated anti-CD123 mAb123-10C4-B10
02

Targets

IL3RA (Interleukin 3 Receptor)

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