pde5

Tadalafil is an oral selective PDE5 inhibitor indicated for the treatment of erection dysfunction .

他达那非是一种口服的新型磷酸二酯酶5抑制剂，主要治疗男性勃起功能障碍。

Vardenafil is an oral , potent , highly selective phosphodiesterase 5 ( PDE5 ) inhibitor .

伐地那非是一种有效的、高选择性的口服磷酸二酯酶（PDE5）抑制剂。

Since fixed-dose vardenafil clinical trails don 't fully represent utilization of phosphodiesterase-5 ( PDE5 ) inhibitor in general clinical practice .

在研究中心进行的、固定剂量的伐地那非研究不能完全代表磷酸二酯酶（PDE）5抑制剂在临床实践中的应用情况。

Drugs like Viagra have been previously shown to inhibit PDE5 , but further research was necessary to understand where or how this was occurring .

伟哥类的药物早前的研究就显示能抑制PDE5酶，但进一步了解它存在的部位并如何起作用的研究显是必要的。

Vardenafil is a potent and highly selective phosphodiesterase type 5 ( PDE5 ) inhibitor with a potency about 10-fold higher than sildenafil .

伐地那非是一种强效、高选择性的5型磷酸二酯酶（PDE5）抑制剂，对PDE5的抑制作用约为西地那非的10倍。