185954-27-2

Tofimilast is an inhibitor of Phosphodiesterase 4 (PDE4) with an IC50 of 0.14 μM. Tofimilast exerts its anti-inflammatory effects by inhibiting the activity of PDE4, thereby increasing intracellular levels of cAMP[1].

ChEBI: Tofimilast is a triazolopyridine.

PDE4: 0.14 μM (IC₅₀)

[1] Duplantier AJ, et al. SAR of a series of 5,6-dihydro-(9H)-pyrazolo[3,4-c]-1,2,4-triazolo[4,3-alpha]pyridines as potent inhibitors of human eosinophil phosphodiesterase. J Med Chem. 2007 Jan 25;50(2):344-9. DOI:10.1021/jm060904g