Drug intelligence / Profile preview

[177Lu]Lu-DOTA-RW03

Development stage
Preclinical
Lead developer
Lunenfeld-Tanenbaum Research Institute
Modality
Antibody-Radionuclide Conjugates → Antibody Conjugates → Antibody-Based Therapeutics, Beta-minus Emitters → Radiopharmaceuticals, Gamma Emitters → Radiopharmaceuticals, Monoclonal Antibodies → Antibody-Based Therapeutics
Administration
Intravenous
01

Overview

[177Lu]Lu-DOTA-RW03 is a therapeutic radiopharmaceutical consisting of a fully humanized monoclonal antibody, RW03, which targets CD133 (prominin-1), conjugated to the beta-emitting radioisotope lutetium-177 (177Lu) via the DOTA chelator. CD133 is a glycoprotein frequently expressed on cancer stem cells in various solid tumors, including glioblastoma and colorectal cancer. By binding specifically to CD133-positive cells, the agent delivers localized ionizing radiation, resulting in DNA damage and apoptosis. In preclinical studies presented at AACR 2026, Imaging Mass Cytometry (IMC) was used to assess the single-cell biodistribution and functional response of the drug, demonstrating its ability to target CD133+ tumor regions and induce therapeutic effects.

Other names
177Lu-DOTA-RW03Lu-177-DOTA-RW03Lu177-DOTA-RW03Lu 177-DOTA-RW03
02

Targets

CD133 (CD133 antigen)

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