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Cyclic nucleotides are important hemodynamic regulators in many tissues. Glyceryl trinitrate markedly dilates large cerebral arteries and increases cGMP. Here, the authors study the effect of sildenafil, a selective inhibitor of cGMP-hydrolyzing phosphodiesterase 5 on cerebral hemodynamics and
Prostate cancer is relatively common cancer occurring in males. Radical prostatectomy (RP) is the most effective treatment for a localized tumor but erectile dysfunction (ED) is common complication, even when bilateral nerve-sparing RP (BNSRP) is performed. Clinical trials have shown varied
Vardenafil, a novel selective phosphodiesterase type 5 inhibitor, was evaluated in its first large-scale at-home trial. A total of 601 men with mild to severe erectile dysfunction (ED) were enrolled in this multi-centre, randomized, double-blind, placebo-controlled trial of 12 weeks of treatment
BACKGROUND
Erectile dysfunction is a common multi-factorial complication of diabetes mellitus. Numerous strategies have been tried to overcome this diabetic complication. In recent years, phosphodiesterase type 5 (PDE-5) inhibitors have been introduced in the management of erectile
Phosphodiesterase type 5 inhibitors (PDE5-Is) improve cognitive performance of rodents, but the few human studies investigating their effects did not systematically investigate cognitive effects and the results have been quite contradictory. Therefore, we examined whether the PDE5-I vardenafil
OBJECTIVE
To evaluate the efficacy and safety of aildenafil citrate, an oral phosphodiesterase type 5 inhibitor, in the treatment of erectile dysfunction.
METHODS
Integrated analyses were made of 8-week, randomized, double-blind, placebo-controlled phase 2 clinical trials involving 250 men with
The study was to compare treatment preference, efficacy, and tolerability of sildenafil citrate (sildenafil) and tadalafil for treating erectile dysfunction (ED) in Chinese men naοve to phosphodiesterase 5 (PDE5) inhibitor therapies. This multicenter, randomized, open-label, crossover study
OBJECTIVE
To compare treatment preference, efficacy, and tolerability of sildenafil citrate (sildenafil) and tadalafil for treating erectile dysfunction (ED) in men naïve to phosphodiesterase 5 (PDE5) inhibitor therapy.
METHODS
This was an open-label, crossover study of sildenafil and tadalafil
BACKGROUND
Combination of low-dose aspirin and modified-release dipyridamole (ASA+MR-DP) provides a significantly increased benefit in stroke prevention over aspirin alone. However, headaches were reported in more patients receiving dipyridamole-containing agents than in those receiving placebo. We
Among various oral antiplatelets, a combination of a novel prostacyclin analogue beraprost (BPT) and a potent phosphodiesterase inhibitor cilostazol (CLZ) may result in untoward clinical effects due to possible synergistic elevation of intracellular cAMP (cyclic adenosine 3',5'-monophosphate).
OBJECTIVE
Patients with diabetes mellitus frequently experience erectile dysfunction. This systematic review and meta-analysis were conducted to find efficacy and tolerability of phosphodiesterase 5 (PDE5) inhibitors in patients with diabetes mellitus experiencing erectile
BACKGROUND
Udenafil is a potent selective phosphodiesterase type 5 (PDE5) inhibitor newly developed for the treatment of erectile dysfunction (ED).
OBJECTIVE
This study was performed to evaluate the efficacy and safety of udenafil therapy in patients with ED.
METHODS
In this multicenter,
OBJECTIVE
This systematic review was performed to evaluate the efficacy and safety of phosphodiesterase-5 inhibitors (PDE5i) in the treatment of erectile dysfunction (ED) after radiotherapy for prostate cancer (PCa).
METHODS
A systematic search of PubMed, Embase and the Cochrane Library was
BACKGROUND
Vardenafil, a phosphodiesterase type 5 (PDE5) inhibitor, was evaluated in a prospective trial in the primary care setting involving hypertensive men with ED who were receiving at least one antihypertensive medication.
OBJECTIVE
To investigate the safety and efficacy of flexible-dose