NP3-562 is an orally active NLRP3 Inhibitor. NP3-562 inhibits IL-1β release in the supernatant of Nigericin -stimulated THP-1 cells (IC50 = 66 nM), human whole blood (IC50 = 214 nM) and a mouse acute peritonitis model. NP3-562 can be used for the study of acute peritonitis[1].