Abstract:
INTRODUCTION:Phosphodiesterase type 5 inhibitors (PDE5-i) are used for the oral treatment of erectile dysfunction (ED). Since the launch of sildenafil more than 15 years ago, new molecules have become available. At present, in addition to tadalafil and vardenafil, there are three other drugs, udenafil, avanafil and mirodenafil, marketed in some countries which appear to be promising. AREAS COVERED:The clinical pharmacological differences in dosage and side effects of all PDE5-i are evaluated. EXPERT OPINION:All PDE5-i are equally effective and safe for the treatment of ED. On-demand use of any PDE5-i is also safe for patients with comorbid conditions. Tadalafil seems to be the preferred drug by patients and physicians, probably due to its peculiar pharmacological profile that makes sexual intercourse more spontaneous for the patients. Preliminary data suggest that the use of vardenafil may also be beneficial in cases of ED associated with premature ejaculation. Daily treatment is another option in men with ED and documented vascular or prostate disease. In geriatric or in difficult-to-treat populations, the evaluation of testosterone plasma levels will help to predict the efficacy of any PDE5-i. Remarkably, when such drugs are withdrawn for any reason, ED most often continues to occur because of the presence of an underlying disease.
journal_name
Expert Opin Pharmacotherjournal_title
Expert opinion on pharmacotherapyauthors
Bruzziches R,Francomano D,Gareri P,Lenzi A,Aversa Adoi
10.1517/14656566.2013.799665subject
Has Abstractpub_date
2013-07-01 00:00:00pages
1333-44issue
10eissn
1465-6566issn
1744-7666journal_volume
14pub_type
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