RecruitingDrug trialStudy of [212Pb]Pb-DOTAM-MAM279 ([212Pb]Pb-MP0712) in Patients With Small Cell Lung Cancer and Other DLL3 Expressing Solid TumorsThe purpose of this study is to evaluate the safety, tolerability, dosimetry and preliminary efficacy of \[212Pb\]Pb-MP0712, in patients aged ≥18 years with Small Cell Lung Cancer and other locally advanced or metastatic DLL3 positive tumors.