Avanafil

Avanafil is a PDE5 inhibitor approved for erectile dysfunction by the FDA on April 27, 2012[1] and by EMA on June 21, 2013.[2] Avanafil is sold under the brand names Stendra and Spedra. It was invented at Mitsubishi Tanabe Pharma, formerly known as Tanabe Seiyaku Co.,[3] and licensed to Vivus Inc., which partnered with Menarini Group to commercialise Spedra in over forty European countries, Australia, and New Zealand.[4] Metuchen... [wikipedia]