PDE10A-IN-2 hydrochloride is a potent, highly selective and orally active phosphodiesterase 10A (PDE10A) inhibitor with an IC50 of 2.8 nM. PDE10A-IN-2 hydrochloride shows selectivity of >3500-fold against other PDE subtypes. PDE10A-IN-2 hydrochloride can be used for pulmonary arterial hypertension (PAH) research.In Vivo: PDE10A-IN-2 hydrochloride (compound 14 3HCL; 2.5 mg/kg; oral administration; daily; for 3 weeks) treatment decreases the typical symptoms of PAH in rats.
In Sprague-Dawley rats, the pharmacokinetic study of PDE10A-IN-2 hydrochloride (compound 14 3HCL; 10 mg/kg) shows the oral bioavailability up to ～50%, and the T1/2 is 5.2 hours (p.o.), and the Cmax is 272 ng/mL.