Nerio Therapeutics Inc. has synthesized proteolysis targeting chimera (PROTAC) compounds comprising an E3 ubiquitin ligase-binding moiety coupled to a tyrosine-protein phosphatase non-receptor type 1 (PTPN1; PTP-1B) and/or tyrosine-protein phosphatase non-receptor type 2 (PTPN2; TCPTP) targeting moiety through a linker reported to be useful for the treatment of cancer, type 2 diabetes, obesity and metabolic diseases.