This drug is a landmark discovery, which consequently has become the definitive therapy for the treatment of erectile dysfunction (ED). Following the major breakthrough in the field of
nitric oxide (NO)-physiology and pharmacology leading to sildenafil being marketed, the most current information is presented in this reference book, including ongoing research from several disparate groups about NO as
endothelium-derived relaxing factor (EDRF) and also as a
neurotransmitter for nerves innervating erectile tissue in mammals. The development of sildenafil as an oral phosphodiesterase-5 (PDE5) inhibitor drug for the treatment of ED resulted in one of the first products, which made its way