Jiangsu Hengrui Medicine Co. Ltd. and Shanghai Hengrui Pharmaceutical Co. Ltd. have identified nitrogen-containing heterocyclic compounds acting as poly(ADP-ribose) polymerase 1 (PARP-1; ARTD1) inhibitors reported to be useful for the treatment of cancer.
Nuvation Bio Inc. has disclosed drug conjugates comprising a nuclear receptor-targeting moiety covalently linked to a poly(ADP-ribose) polymerase 1 (PARP1) and/or PARP2 inhibitor though a linker. They are reported to be potentially useful for the treatment of cancer.