PS372424, a three amino-acid fragment of CXCL10, is a specific human CXCR3 agonist with anti-inflammatory activity, which inhibits the binding of CXCR3 ligand CXCL10 to CXCR3 receptor with IC50 of 42 nM.
AZD8797 is an allosteric non-competitive and orally active modulator of the human CX3CR1 receptor; antagonizes CX3CR1 and CXCR2 with Kis of 3.9 and 2800 nM, respectively.