Viagra Related Published Studies
Well-designed clinical trials related to Viagra (Sildenafil)
Addition of sildenafil to long-term intravenous epoprostenol therapy in patients with pulmonary arterial hypertension: a randomized trial. [2008.10.21]
Sildenafil citrate improves erectile function and lower urinary tract symptoms independent of baseline body mass index or LUTS severity. [2008.09]
Comparative cross-over study of sildenafil and apomorphine for treating erectile dysfunction. [2008.09]
Efficacy, tolerability and satisfaction with sildenafil citrate 100-mg titration compared with continued 50-mg dose treatment in men with erectile dysfunction. [2008.08.14]
Effect of sildenafil on clitoral blood flow and sexual response in postmenopausal women with orgasmic dysfunction. [2008.08]
Effect of sildenafil citrate on the male sexual experience assessed with the Sexual Experience Questionnaire: a multicenter, double-blind, placebo-controlled trial with open-label extension. [2008.08]
Long-term use of sildenafil in inoperable chronic thromboembolic pulmonary hypertension. [2008.08]
Sildenafil treatment of women with antidepressant-associated sexual dysfunction: a randomized controlled trial. [2008.07.23]
Sildenafil citrate efficacy 8 h postdose in men with mild to moderate erectile dysfunction. [2008.07]
Self-esteem, confidence and relationship satisfaction in men with erectile dysfunction: a randomized, parallel-group, double-blind, placebo-controlled study of sildenafil in Mexico. [2008.07]
Effect of sildenafil on haemodynamic response to exercise and exercise capacity in Fontan patients. [2008.07]
Influence of sildenafil on lung diffusion during exposure to acute hypoxia at rest and during exercise in healthy humans. [2008.07]
Effect of Sildenafil Citrate on the Male Sexual Experience Assessed with the Sexual Experience Questionnaire: A Multicenter, Double-Blind, Placebo-Controlled Trial with Open-Label Extension. [2008.06.17]
Sildenafil citrate efficacy 8 h postdose in men with mild to moderate erectile dysfunction. [2008.06.05]
Self-esteem, confidence and relationship satisfaction in men with erectile dysfunction: a randomized, parallel-group, double-blind, placebo-controlled study of sildenafil in Mexico. [2008.06.05]
Investigating women's preference for sildenafil or tadalafil use by their partners with erectile dysfunction: the partners' preference study. [2008.05]
Recovery of erectile function after nerve-sparing radical prostatectomy: improvement with nightly low-dose sildenafil. [2008.05]
Randomized, double-blind, crossover trial of sildenafil in men with mild to moderate erectile dysfunction: efficacy at 8 and 12 hours postdose. [2008.04]
Effects of 5'-phosphodiesterase four-week long inhibition with sildenafil in patients with chronic heart failure: a double-blind, placebo-controlled clinical trial. [2008.04]
Salvage of sildenafil failures with bremelanotide: a randomized, double-blind, placebo controlled study. [2008.03]
Quality of erections in men treated with flexible-dose sildenafil for erectile dysfunction: multicenter trial with a double-blind, randomized, placebo-controlled phase and an open-label phase. [2008.03]
Nasal congestion after visual sexual stimulation with and without sildenafil (Viagra): a randomized placebo-controlled study. [2008.03]
Return of nocturnal erections and erectile function after bilateral nerve-sparing radical prostatectomy in men treated nightly with sildenafil citrate: subanalysis of a longitudinal randomized double-blind placebo-controlled trial. [2008.02]
Sildenafil improves health-related quality of life in patients with pulmonary arterial hypertension. [2008.01]
Chronic administration of Sildenafil improves markers of endothelial function in men with Type 2 diabetes. [2008.01]
Mutual pharmacokinetic interactions between steady-state bosentan and sildenafil. [2008.01]
Bioequivalence study of two tablet formulations of sildenafil. [2008]
Effect of Repeated Doses of Darunavir plus Low-Dose Ritonavir on the Pharmacokinetics of Sildenafil in Healthy Male Subjects : Phase I Randomized, Open-Label, Two-Way Crossover Study. [2008]
Effects of pioglitazone on erectile dysfunction in sildenafil poor-responders: a randomized, controlled study. [2008]
Acute effects of sildenafil on exercise pulmonary hemodynamics and capacity in patients with COPD. [2008]
Quality of Erections in Men Treated with Flexible-Dose Sildenafil for Erectile Dysfunction: Multicenter Trial with a Double-Blind, Randomized, Placebo-Controlled Phase and an Open-Label Phase. [2007.12.17]
Return of Nocturnal Erections and Erectile Function after Bilateral Nerve-sparing Radical Prostatectomy in Men Treated Nightly with Sildenafil Citrate: Subanalysis of a Longitudinal Randomized Double-blind Placebo-controlled Trial. [2007.12.14]
Sildenafil for pulmonary arterial hypertension associated with connective tissue disease. [2007.12]
Antioxidant treatment associated with sildenafil reduces monocyte activation and markers of endothelial damage in patients with diabetic erectile dysfunction: a double-blind, placebo-controlled study. [2007.12]
Long-term use of sildenafil in the therapeutic management of heart failure. [2007.11.27]
Effect of sildenafil on hypoxia-induced changes in pulmonary circulation and right ventricular function. [2007.11.15]
Sildenafil reduces bother associated with erectile dysfunction: pooled analysis of five randomized, double-blind trials. [2007.11]
The effects of sildenafil on heart rate variability in healthy subjects. [2007.11]
Sildenafil citrate improves erectile function: a randomised double-blind trial with open-label extension. [2007.11]
Sildenafil improves exercise capacity and quality of life in patients with systolic heart failure and secondary pulmonary hypertension. [2007.10.02]
Sildenafil citrate diminishes microalbuminuria and the percentage of A1c in male patients with type 2 diabetes. [2007.10]
Alterations in sperm motility after acute oral administration of sildenafil or tadalafil in young, infertile men. [2007.10]
Safety of intravenous nitroglycerin after administration of sildenafil citrate to men with coronary artery disease: a double-blind, placebo-controlled, randomized, crossover trial. [2007.08]
Sildenafil for pulmonary hypertension in neonates. [2007.07.18]
The South Australian couples sildenafil study: double-blind, parallel-group randomized controlled study to examine the psychological and relationship consequences of sildenafil use in couples. [2007.07]
Factors associated with preference for sildenafil citrate and tadalafil for treating erectile dysfunction in men naive to phosphodiesterase 5 inhibitor therapy: post hoc analysis of data from a multicentre, randomized, open-label, crossover study. [2007.07]
Integrated sildenafil and cognitive-behavior sex therapy for psychogenic erectile dysfunction: a pilot study. [2007.07]
Is sildenafil citrate associated with an amelioration of the symptomatology of androgen decline in the aging male? [2007.06]
Efficacy and safety of sildenafil in Asian males with erectile dysfunction and cardiovascular risk. [2007.06]
Effects of sildenafil on exercise capacity in hypoxic normal subjects. [2007.06]
Safety of intravenous nitroglycerin after administration of sildenafil citrate to men with coronary artery disease: A double-blind, placebo-controlled, randomized, crossover trial* [2007.05.22]
Sexual function and satisfaction in heterosexual couples when men are administered sildenafil citrate (Viagra) for erectile dysfunction: a multicentre, randomised, double-blind, placebo-controlled trial. [2007.04]
Sildenafil citrate diminishes microalbuminuria and the percentage of A1c in male patients with type 2 diabetes. [2007.03.17]
Sildenafil improves walk distance in idiopathic pulmonary fibrosis. [2007.03]
Sildenafil citrate improves erectile function and urinary symptoms in men with erectile dysfunction and lower urinary tract symptoms associated with benign prostatic hyperplasia: a randomized, double-blind trial. [2007.03]
Open-label sildenafil treatment of partial and non-responders to double-blind treatment in men with antidepressant-associated sexual dysfunction. [2007.03]
Sildenafil versus continuous positive airway pressure for erectile dysfunction in men with obstructive sleep apnea: a comparative study of their efficacy and safety and the patient's satisfaction with treatment. [2007.03]
Comparative trial of treatment satisfaction, efficacy and tolerability of sildenafil versus apomorphine in erectile dysfunction--an open, randomized cross-over study with flexible dosing. [2007.02.26]
Improved spontaneous erectile function in men with mild-to-moderate arteriogenic erectile dysfunction treated with a nightly dose of sildenafil for one year: a randomized trial. [2007.01]
Sildenafil affects olfactory function. [2007.01]
Neurophysiological role of sildenafil citrate (Viagra) on seminal parameters in diabetic males with and without neuropathy. [2007.01]
Sildenafil combined with continuous positive airway pressure for treatment of erectile dysfunction in men with obstructive sleep apnea. [2007]
Effect of fluoxetine alone and in combination with sildenafil in patients with premature ejaculation. [2007]
Effect of oral sildenafil citrate on intraoperative hemodynamics in patients with pulmonary hypertension undergoing valvular heart surgery. [2006.12]
The effects of tamsulosin and sildenafil in separate and combined regimens on detailed hemodynamics in patients with benign prostatic enlargement. [2006.12]
Sildenafil prevents rebound pulmonary hypertension after withdrawal of nitric oxide in children. [2006.11.01]
A meta-regression analysis of treatment effect modifiers in trials with flexible-dose oral sildenafil for erectile dysfunction in broad-spectrum populations. [2006.11]
Salvage of sildenafil failures with cabergoline: a randomized, double-blind, placebo-controlled study. [2006.11]
The effects of quinapril and atorvastatin on the responsiveness to sildenafil in men with erectile dysfunction. [2006.11]
Self-esteem, confidence, and relationships in men treated with sildenafil citrate for erectile dysfunction: results of two double-blind, placebo-controlled trials. [2006.10]
A double-blind, placebo-controlled, crossover study of sildenafil in obstructive sleep apnea. [2006.09.18]
Effectiveness of sildenafil in treating erectile dysfunction in PTSD patients: a double-blind, placebo-controlled crossover study. [2006.08]
Modeling and simulation of sexual activity daily diary data of patients with female sexual arousal disorder treated with sildenafil citrate (Viagra). [2006.08]
Open-label sildenafil treatment of partial and non-responders to double-blind treatment in men with antidepressant-associated sexual dysfunction. [2006.07.27]
Psychosocial outcomes and drug attributes affecting treatment choice in men receiving sildenafil citrate and tadalafil for the treatment of erectile dysfunction: results of a multicenter, randomized, open-label, crossover study. [2006.07]
Treatment of erectile dysfunction with sildenafil citrate in renal allograft recipients: a randomized, double-blind, placebo-controlled, crossover trial. [2006.07]
Effect of viagra on retinal vein diameter in AMD patients. [2006.07]
Sildenafil improves cardiac output and exercise performance during acute hypoxia, but not normoxia. [2006.06]
Sildenafil citrate improves self-esteem, confidence, and relationships in men with erectile dysfunction: Results from an international, multi-center, double-blind, placebo-controlled trial. [2006.05]
Sildenafil improves sexual functioning in premenopausal women with type 1 diabetes who are affected by sexual arousal disorder: a double-blind, crossover, placebo-controlled pilot study. [2006.05]
Oral sildenafil in infants with persistent pulmonary hypertension of the newborn: a pilot randomized blinded study. [2006.04]
A randomized, placebo-controlled, double-blind, crossover study to evaluate the efficacy of oral sildenafil therapy in severe pulmonary artery hypertension. [2006.04]
Effect of sildenafil citrate on postprandial gallbladder motility. [2006.03]
Sildenafil in the treatment of antipsychotic-induced erectile dysfunction: a randomized, double-blind, placebo-controlled, flexible-dose, two-way crossover trial. [2006.03]
Can atorvastatin improve the response to sildenafil in men with erectile dysfunction not initially responsive to sildenafil? Hypothesis and pilot trial results. [2006.03]
Self-esteem, confidence and relationship satisfaction of men with erectile dysfunction treated with sildenafil citrate: a multicenter, randomized, parallel group, double-blind, placebo controlled study in the United States. [2006.03]
Sildenafil improves sleep-related erections in hypogonadal men: evidence from a randomized, placebo-controlled, crossover study of a synergic role for both testosterone and sildenafil on penile erections. [2006.03]
Efficacy and safety of sildenafil in men with serotonergic antidepressant-associated erectile dysfunction: results from a randomized, double-blind, placebo-controlled trial. [2006.02]
Comparison of efficacy of sildenafil-only, sildenafil plus topical EMLA cream, and topical EMLA-cream-only in treatment of premature ejaculation. [2006.02]
Is sildenafil effective for treating pulmonary hypertension after pediatric heart surgery? [2006.02]
[Tadalafil vs sildenafil patient preference in Spanish men with erectile dysfunction: results from an International Multicentric Study] [2006.01]
Sildenafil effects on sexual function in asymptomatic volunteers: a controlled study. [2006.01]
Sildenafil in the treatment of pulmonary hypertension. [2006]
An open-label, multicentre, randomized, crossover study comparing sildenafil citrate and tadalafil for treating erectile dysfunction in men naive to phosphodiesterase 5 inhibitor therapy. [2005.12]
Sildenafil citrate therapy for pulmonary arterial hypertension. [2005.11.17]
Effect of sildenafil on cardiac performance in patients with heart failure. [2005.11.15]
Evaluating erectile dysfunction: oral sildenafil versus intracavernosal injection of papaverine. [2005.11]
Effects of sildenafil on myocardial blood flow in humans with ischemic heart disease. [2005.11]
Sildenafil inhibits beta-adrenergic-stimulated cardiac contractility in humans. [2005.10.25]
Sildenafil increases cerebrovascular reactivity: a transcranial Doppler study. [2005.09.27]
Effect of Viagra on the foveolar choroidal circulation of AMD patients. [2005.08]
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