Drug intelligence / Profile preview

177-Lu-DOTA-cG250

Development stage
Phase 2
Lead developer
Telix Pharmaceuticals
Modality
Cytotoxic ADCs → Antibody-Drug Conjugates (ADCs) → Antibody Conjugates → Antibody-Based Therapeutics, Antibody-Radionuclide Conjugates → Antibody Conjugates → Antibody-Based Therapeutics, Beta-minus Emitters → Radiopharmaceuticals, Gamma Emitters → Radiopharmaceuticals
Administration
Intravenous
01

Overview

177-Lu-DOTA-cG250 is a radiolabeled chimeric monoclonal antibody targeting carbonic anhydrase IX (CAIX), a protein highly expressed in renal cell carcinoma. The drug consists of the cG250 antibody conjugated to the chelator DOTA and labeled with the beta-emitting radionuclide lutetium‑177. Upon administration, it binds specifically to CAIX-expressing tumor cells and delivers targeted ionizing radiation to induce tumor cell death while sparing surrounding healthy tissue. It is being developed primarily for advanced or metastatic renal cell carcinoma and has been evaluated in phase I/II clinical trials for safety, dosimetry, and preliminary efficacy[1][2][5][8].

Brand names
TLX250TLX-250TLX 250
Other names
177-Lutetium-1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid-cG250Lu-177-DOTA-girentuximabLu177-DOTA-girentuximabLu 177-DOTA-girentuximabTLX-250TLX250TLX 250
02

Targets

CA9 (Carbonic anhydrase IX)

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