PF-00489791 (PF-489791) is a potent inhibitor of phosphodiesterase 5A with IC50 of 1.5 nM. PF-00489791 can enhance the relaxation of blood vessels within the kidney and so reduce blood pressure, improving renal function[1].
IC 50
PDE5A: 5 nM (IC50)
References
[1] Frank S Menniti, et al. A non-brain penetrant PDE5A inhibitor improves functional recovery after stroke in rats. Restor Neurol Neurosci. 2012;30(4):283-9. DOI:10.3233/RNN-2012-110187
