Sildenafil Citrate Vs vardenafil Vs tadalafil

Comparison of clinical trials with sildenafil, tadalafil and vardenafil in erectile dysfunction


Comparison of clinical trials with sildenafil, tadalafil and vardenafil in erectile dysfunction

Erectile dysfunction (ED) affects up to 50% of men, between 40 and 70 years of age. In the first major trial of sildenafil in ED, at 24 weeks, improved erections were reported by 77 and 84% of men taking sildenafil 50 and 100mg, respectively. Subsequently, sildenafil has been reported to be effective in men with ED associated with diabetes and prostate cancer, and in psychogenic ED. Sildenafil is safe in men with coronary artery disease, provided it is not used with the nitrates (a contraindication). The most commonly reported adverse effects with sildenafil are headache, flushing and dyspepsia. tadalafil is more potent and more selective than sildenafil at inhibiting phosphodiesterase-5. tadalafil is similarly effective to sildenafil in the treatment of ED. The only advantage that tadalafil has over sildenafil is that it does not inhibit phosphodiesterase-6 to alter colour perception, a rare side effect which sometimes occurs with sildenafil. vardenafil has a longer duration of action than sildenafil and tadalafil. vardenafil is similarly effective as sildenafil in the treatment of ED. In comparison studies, vardenafil is preferred to sildenafil (50/100mg) by men with ED, possibly because of its longer duration of action. Of the phosphodiesterase inhibitors, vardenafil may displace sildenafil as the drug of choice among men with ED.

Comment in

Perimenis P. Perimenis P. Expert Opin Pharmacother. 2005 Jan;6(1):1-2. doi: 10.1517/14656566.6.1.1. Expert Opin Pharmacother. 2005. PMID: 15709877 No abstract available.

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Comparison of clinical trials with sildenafil, tadalafil and vardenafil in erectile dysfunction

Erectile dysfunction (ED) affects up to 50% of men, between 40 and 70 years of age. In the first major trial of sildenafil in ED, at 24 weeks, improved erections were reported by 77 and 84% of men taking sildenafil 50 and 100mg, respectively. Subsequently, sildenafil has been reported to be effective in men with ED associated with diabetes and prostate cancer, and in psychogenic ED. Sildenafil is safe in men with coronary artery disease, provided it is not used with the nitrates (a contraindication). The most commonly reported adverse effects with sildenafil are headache, flushing and dyspepsia. tadalafil is more potent and more selective than sildenafil at inhibiting phosphodiesterase-5. tadalafil is similarly effective to sildenafil in the treatment of ED. The only advantage that tadalafil has over sildenafil is that it does not inhibit phosphodiesterase-6 to alter colour perception, a rare side effect which sometimes occurs with sildenafil. vardenafil has a longer duration of action than sildenafil and tadalafil. vardenafil is similarly effective as sildenafil in the treatment of ED. In comparison studies, vardenafil is preferred to sildenafil (50/100mg) by men with ED, possibly because of its longer duration of action. Of the phosphodiesterase inhibitors, vardenafil may displace sildenafil as the drug of choice among men with ED.

Perimenis P. Perimenis P. Expert Opin Pharmacother. 2005 Jan;6(1):1-2. doi: 10.1517/14656566.6.1.1. Expert Opin Pharmacother. 2005. PMID: 15709877 No abstract available.


Erectile dysfunction (ED) affects up to 50% of men, between 40 and 70 years of age. In the first major trial of sildenafil in ED, at 24 weeks, improved erections were reported by 77 and 84% of men taking sildenafil 50 and 100mg, respectively. Subsequently, sildenafil has been reported to be effective in men with ED associated with diabetes and prostate cancer, and in psychogenic ED. Sildenafil is safe in men with coronary artery disease, provided it is not used with the nitrates (a contraindication). The most commonly reported adverse effects with sildenafil are headache, flushing and dyspepsia. tadalafil is more potent and more selective than sildenafil at inhibiting phosphodiesterase-5. tadalafil is similarly effective to sildenafil in the treatment of ED. The only advantage that tadalafil has over sildenafil is that it does not inhibit phosphodiesterase-6 to alter colour perception, a rare side effect which sometimes occurs with sildenafil. vardenafil has a longer duration of action than sildenafil and tadalafil. vardenafil is similarly effective as sildenafil in the treatment of ED. In comparison studies, vardenafil is preferred to sildenafil (50/100mg) by men with ED, possibly because of its longer duration of action. Of the phosphodiesterase inhibitors, vardenafil may displace sildenafil as the drug of choice among men with ED.


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