Potent hematopoietic prostaglandin D synthase (H-PGDS) inhibitor (IC50 = 83 nM). Inhibits PGD2 production and late phase nasal blockage in an animal model of allergic rhinitis. Exhibits negligible effects on COX-1, COX-2, 5-LOX, LTC4 synthase, TXA2 synthase and microsomal prostaglandin E2 synthase.
Nabe et al (2011) Inhibition of hematopoietic prostaglandin D synthase improves allergic nasal blockage in guinea pigs. Prostaglandins Other Lipid Mediat. 95 27 PMID:21601002