Abstract: The present disclosure provides compounds of Formula (I) or (II), pharmaceutically acceptable salt, isotopic variant, stereoisomer, or a mixture thereof. Also provided are pharmaceutical compositions comprising a compound, methods of treating a poly(ADP-ribose)polymerase-1-mediated disease or disorder in a subject, methods of detecting a poly(ADP-ribose)polymerase-1-mediated neurodegenerative disease or disorder, or methods of monitoring cancer treatment in a subject. In some embodiments, the poly(ADP-ribose)polymerase-1-mediated disease or disorder is a neurodegenerative disease or cancer.

Abstract: The present disclosure relates to compounds of Formula I and II, wherein R1-R20 and FL are defined herein. Also provided are methods of targeting alpha-radiation to poly(ADP-ribose)polymerase 1 (PARP-1) enzyme expression, reducing proliferation of cancer cells, reducing proliferation of cancer cells, detecting intact and enzymatically active poly(ADP-ribose)polymerase 1 (PARP-1) enzyme expression, detecting PARP-1 enzyme expression in a subjects tissue sample, monitoring cancer treatment in a subject, or detecting a PARP-1 receptive cancer in a subject.

Abstract: The present disclosure provides compounds of Formula (I) or (II), pharmaceutically acceptable salt, isotopic variant, stereoisomer, or a mixture thereof. Also provided are pharmaceutical compositions comprising a compound, methods of treating a poly(ADP-ribose)polymerase-1-mediated disease or disorder in a subject, methods of detecting a poly(ADP-ribose)polymerase-1-mediated neurodegenerative disease or disorder, or methods of monitoring cancer treatment in a subject. In some embodiments, the poly(ADP-ribose)polymerase-1-mediated disease or disorder is a neurodegenerative disease or cancer.

Abstract: The present disclosure relates to compounds of Formula I and II, wherein R1-R20 and FL are defined herein. Also provided are methods of targeting alpha-radiation to poly(ADP-ribose)polymerase 1 (PARP-1) enzyme expression, reducing proliferation of cancer cells, reducing proliferation of cancer cells, detecting intact and enzymatically active poly(ADP-ribose)polymerase 1 (PARP-1) enzyme expression, detecting PARP-1 enzyme expression in a subjects tissue sample, monitoring cancer treatment in a subject, or detecting a PARP-1 receptive cancer in a subject.

Abstract: Described herein is an alpha-emitting radionuclide, 211At, which has been incorporated into a selective sigma-2 ligand moiety to provide cytotoxic capabilities to a chemical compound. As described herein, a compound of formula (I), wherein R1-R4, m, and n are defined herein, was prepared and utilized in in vitro and in vivo tumor targeting of alpha-emitting sigma-2 ligand in a breast cancer model. In one embodiment, the compound is 5-(211At)—N-(4-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)butyl)-2,3-dimethoxybenzamide.

Abstract: Described herein is an alpha-emitting radionuclide, 211At, which has been incorporated into a selective sigma-2 ligand moiety to provide cytotoxic capabilities to a chemical compound. As described herein, a compound of formula (I), wherein R1-R4, m, and n are defined herein, was prepared and utilized in in vitro and in vivo tumor targeting of alpha-emitting sigma-2 ligand in a breast cancer model. In one embodiment, the compound is 5-(211At)—N-(4-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)butyl)-2,3-dimethoxybenzamide.