MY-5445 is a specific phosphodiesterase type 5 (PDE5) inhibitor[1].
References:
[1]. Nagendran J, et al. Phosphodiesterase type 5 is highly expressed in the hypertrophied human right ventricle, and acute inhibition of phosphodiesterase type 5 improves contractility. Circulation. 2007 Jul 17;116(3):238-48.
















