The University of Michigan has identified proteolysis targeting chimeric (PROTACs) compounds comprising cereblon (CRBN) ligands covalently bonded to a CREB-binding protein (CREBBP; CBP) and/or histone acetyltransferase KAT3B (p300)-targeting moiety through a linker. They are described as potentially useful for the treatment of cancer, autoimmune and inflammatory disorders.