zirconium Zr 89 anti-TAA monoclonal antibody BAY3630942

A radioimmunoconjugate comprised of a monoclonal antibody directed against an as of yet undisclosed tumor-associated antigen (TAA) conjugated to the radioisotope zirconium Zr 89 (Zr89), with potential use as an imaging agent upon positron emission tomography/computed tomography (PET/CT). Upon administration of Zr89 anti-TAA monoclonal antibody BAY3630942, the antibody moiety specifically targets and binds to the TAA expressed on tumor cells. Upon binding, the radioisotope moiety is detected using PET, thereby allowing the imaging of TAA-expressing tumors.