Zilurgisertib (INCB-000928; NBU-928) is a selective ALK2 inhibitor with an IC50 value of 15 nM. Zilurgisertib inhibits SMAD1/5 phosphorylation with an IC50 value of 63 nM. Zilurgisertib inhibits hepcidin production and improve anemia. Zilurgisertib can be used in melanoma research[1][2].