Lodenafil carbonate, a dimer that acts as a prodrug delivering Lodenafil in vivo, is an orally active phosphodiesterase type 5 (PDE5) inhibitor for the treatment of erectile dysfunction (ED)[1][2]. PDE5
[1]. Glina S, et al. Efficacy and tolerability of lodenafil carbonate for oral therapy in erectile dysfunction: a phase II clinical trial. J Sex Med. 2009 Feb;6(2):553-7. [2]. Toque HA, et al. Pharmacological characterization of a novel phosphodiesterase type 5 (PDE5) inhibitor lodenafil carbonate on human and rabbit corpus cavernosum. Eur J Pharmacol. 2008 Sep 4;591(1-3):189-95.