Fadanafil

The purpose of this study is to evaluate the effect of high fat meal on the pharmacokinetics of single oral fadanafil tablet 100mg in healthy subjects.
Fadanafil is a selective phosphodiesterase (PDE5) inhibitor. The proposed Phase 1b trial is a single center, randomized, open-label, two-period crossover study in approximately 14 Chinese healthy adult male subjects.

评价复达那非片单次给药在中国成年健康男性人体中的安全性和耐受性；评价复达那非片单次给药在中国成年健康男性人体中的药代动力学特征。