Viagra Related Clinical Trials
A Multicenter, Double-Blind Study to Evaluate the Effect of Pretreatment With a Daily Dose of Sildenafil on the As-Needed Efficacy of Viagra in Men With Erectile Dysfunction and Type 2 Diabetes [Completed]
A Placebo-Controlled Single-Dose Trial of Sildenafil in Schizophrenia [Completed]
Sildenafil (Viagra) Treatment of Subacute Ischemic Stroke [Recruiting]
Impact Of Viagra On Sexual Satisfaction Of Men With Mild Erectile Dysfunction Who Are Sexually Dissatisfied [Completed]
Sildenafil Citrate in Waldenstrom's Macroglobulinemia [Terminated]
Effect of Tadalafil on Exercise Capacity in Pediatric Fontan Patients [Recruiting]
Does Oral Sildenafil (Viagra) Decrease Mean Pulmonary Artery Pressure After Cardiac Surgery? [Recruiting]
Acute Effects of Sildenafil on Endothelial Function in People With Diabetes [Completed]
Sildenafil for Prevention of Cerebral Vasospasm [Recruiting]
A Study to Evaluate a Possible Superiority Expressed by the Faster Onset of Action and the Efficacy and Safety of Sildenafil Citrate 20mg Sublingual Tablet in the Treatment of Erectile Dysfunction of Different Etiologies [Not yet recruiting]
Sildenafil in Single Ventricle Patients [Recruiting]
Pharmacokinetics of Sildenafil in Premature Infants [Not yet recruiting]
Revatio for Heart Disease in Duchenne Muscular Dystrophy and Becker Muscular Dystrophy [Recruiting]
Use of Sildenafil (Viagra) to Alter Fatigue, Functional Status and Impaired Cerebral Blood Flow in Patients With CFS [Recruiting]
Effects of Viagra on Heart Function in Patients With Heart Failure [Recruiting]
Acute Hemodynamic Effects of Sildenafil in Patients With Severe Aortic Stenosis [Recruiting]
SIDAMI - Sildenafil and Diastolic Dysfunction After Acute Myocardial Infarction (AMI) [Recruiting]
Effect of Modulating the nNOS System on Cardiac, Muscular and Cognitive Function in Becker Muscular Dystrophy Patients [Recruiting]
Use of Sildenafil (Viagra) in Diabetic Men With Erectile Dysfunction: the Impact on Blood Vessels [Recruiting]
Viagra for the Treatment of IUGR [Not yet recruiting]
Effects of Sildenafil on CFTR-dependent Ion Transport Activity [Not yet recruiting]
Evaluation of Drug-drug Interaction Between LCZ696 and Sildenafil in Subjects With Mild to Moderate Hypertension [Recruiting]
Early Start of Oral Sildenafil 100mg for Erectile Dysfunction After Robotic Assisted Laparoscopic Radical Prostatectomy [Recruiting]
Sildenafil for Chronic Obstructive Pulmonary Disease (COPD) Associated Pulmonary Hypertension [Not yet recruiting]
Evaluation of Sildenafil for the Treatment of Moderate Congestive Heart Failure [Not yet recruiting]
The Effects of Sildenafil on Exercise Function and Capacity in Patients With Fontan Circulation [Recruiting]
Effectiveness and Safety of Viagra in Men With ED and LUTS Due to Benign Prostatic Hyperplasia (BPH) [Completed]
Study of Sildenafil Effects in Combination With Rehabilitation in Patients With Chronic Obstructive Pulmonary Disease (COPD) and Associated Pulmonary Hypertension [Recruiting]
Study Looking at Combination Therapy (Sitaxsentan+Sildenafil) vs. Monotherapy (Sitaxsentan Alone) SR-PAAS -Sitaxentan Efficacy and Safety Trial With a Randomized Prospective Assessment of Adding Sildenafil [Recruiting]
Effectiveness of the Vasodilator Test With Revatio, Made in Patients With Acute Pulmonary Hypertension [Recruiting]
Doxorubicin With or Without Sildenafil, With Analysis of Cardiac Markers [Recruiting]
The Boceprevir and Sildenafil Pharmacokinetics Study [Not yet recruiting]
On Demand Versus Daily Sildenafil for Patients Undergoing Radical Prostatectomy [Recruiting]
Chronic Sildenafil for Severe Diaphragmatic Hernia [Recruiting]
Study Of Men With Mild To Moderate Erectile Dysfunction To Evaluate The Efficacy Of Viagra 8 Hours Post-Dose [Completed]
The Effect of Sildenafil and Tadalafil on Skeletal Muscle and Perceptual Fatigue [Recruiting]
Efficacy Study Measuring The Impact Of Treatment With Viagra On The Depressive Symptoms Of Men With Erectile Dysfunction [Completed]
Trial of Viagra' in Men With Chronic Pelvic Pain Syndrome Type III [Suspended]
A Study to Assess the Efficacy and Safety of 20, 40, and 80mg of Sildenafil Three Times a Day in the Treatment of Pulmonary Arterial Hypertension [Completed]
An Open Label, Dose Finding Trial of Viagra for the Treatment of Neuropathic Pain (in Diabetes Mellitus) [Completed]
Sildenafil for Treatment of Digital Ulcers in Patients With Systemic Sclerosis [Completed]
Study of Sildenafil in Patient With Heart Failure. [Completed]
Mild To Moderate Erectile Dysfunction Study [Completed]
A Multicenter, Randomized, Parallel Group, Double-Blind, Placebo Controlled, Flexible Dose Escalation Study To Evaluate Sexual And Relationship Satisfaction In The Female Partner Of Men With Erectile Dysfunction Treated With Sildenafil Citrate [Completed]
A Study to Investigate the Effects on Blood Pressure and Pulse Rate of a Single 100mg Dose of Sildenafil in Patients With Benign Prostatic Hyperplasia Who Are Being Treated With Doxazosin [Completed]
Study of Ambrisentan and Phosphodiesterase Type-5 Inhibitor (PDE-5i) to Treat Pulmonary Arterial Hypertension [Recruiting]
The Effect of Sildenafil Citrate (ViagraŽ (Registered Trademark)) on Brain Blood Flow in Multiple Sclerosis Patients [Completed]
A Relative Bioavailability Study Between Two Formulations Of Sildenafil Citrate [Not yet recruiting]
Cardiovascular Effects of Chronic Sildenafil in Men With Type 2 Diabetes [Recruiting]
Study to Compare the Blood Levels of Sildenafil Following Administration of an Experimental Tablet vs. the Conventional Oral Tablet in Healthy Subjects. [Recruiting]
The Pharmacological Basis for the Increase in Visual Time Constants Induced by Single Oral Doses of Sildenafil [Active, not recruiting]
A Randomized, Open-Label, Crossover, Multicenter, Single Dose Comparator Study Evaluating Onset Of Penile Rigidity In Men With Erectile Dysfunction Who Are Treated With Sildenafil And Tadalafil [Completed]
Titration Study to Evaluate Efficacy and Satisfaction of Viagra in Men With Erectile Function. [Completed]
Study of Sildenafil Citrate During and After Radiotherapy/Hormone Therapy for Erectile Function Versus Radiotherapy/Hormone Therapy for Prostate Cancer [Recruiting]
A Study In Men Who Do Not Self Identify With Erectile Dysfunction. [Active, not recruiting]
Does Sildenafil Increase Exercise Performance in Air Pollution? [Recruiting]
Study Evaluating the Addition of Sildenafil to Bosentan Therapy in Pulmonary Arterial Hypertension [Not yet recruiting]
Randomized, Controlled Trial of Regular Sildenafil Citrate in the Prevention of Altitude Illness [Completed]
Study of Sildenafil for Treatment of SSRI-Antidepressant Sexual Dysfunction in Women [Completed]
QEQ Treatment Responsiveness Evaluation Study [Completed]
Viagra in the Treatment of Primary Dysmenorrhea [Recruiting]
Effect of Nightly vs. Prn Sildenafil on Early Return of Erectile Function Following Laparoscopic Radical Prostatectomy [Recruiting]
Assess the Effect of Daily Treatment of Vardenafil 20mg or Sildenafil 100mg and Placebo on Sperm Function [Completed]
Evaluation of Hydroxyurea Plus L-Arginine or Sildenafil to Treat Sickle Cell Anemia [Active, not recruiting]
Sildenafil Therapy for Pulmonary Hypertension and Sickle Cell Disease [Recruiting]
Blood Pressure Interaction Between Sildenafil and Sublingual Glyceryl Trinitrate (GTN) in Men With Angina [Completed]
Sildenafil IV Bolus Study [Recruiting]
Studying the Preference of Tadalafil to Sildenafil in Men With Problems Getting an Erection Across Nations [Completed]
Study to Investigate Effect of Sildenafil on Clitoral Engorgement as Measured by Magnetic Resonance Imaging (MRI) in Pre-Menopausal Women With Female Sexual Arousal Disorder
Testosterone for Penile Rehab After Radical Prostatectomy [Recruiting]
Sildenafil and Pulmonary Artery Pressure
Local Open-Label Access Study For Patients Who Completed A1481244 Study In Brazil [Recruiting]
Sildenafil After the Fontan Operation [Recruiting]
To Yield Further Information On The Efficacy And Safety Of Viagra Among Subjects With Arterial Hypertension .
Pulmonary Arterial Hypertension Secondary to Idiopathic Pulmonary Fibrosis And Treatment With Sildenafil [Recruiting]
The Assessment of Right Ventricular Contractility in Response to Sildenafil [Recruiting]
Sildenafil for Treatment of Priapism in Men With Sickle Cell Anemia [Recruiting]
Sildenafil to Improve Exercise Capacity in People With Thalassemia and Pulmonary Hypertension [Recruiting]
Effect Of A Treatment Optimization Program To Improve Satisfaction With Viagra [Completed]
Study to Evaluate Viagra's Ability to Provide a Better Sexual Experience Through Quality Erections and Satisfaction [Completed]
Sildenafil For Meniere's Disease
Evaluating the Effectiveness of Sildenafil at Improving Health Outcomes and Exercise Ability in People With Diastolic Heart Failure (The RELAX Study) [Recruiting]
The Efficacy and Safety of Sildenafil Citrate Used in Combination With Intravenous Epoprostenol in PAH [Completed]
Effect of Regular Sildenafil on Blood Pressure and Arterial Function in Hypertension
Assessment Of Sildenafil On Erectile Function And Intercourse Satisfaction And To Validate A New Subject Questionnaire
A Randomized, Double-Blind, Placebo-Controlled Study of Sildenafil in Children With Pulmonary Arterial Hypertension. [Recruiting]
Assess the Efficacy and Safety of Sildenafil When Added to Bosentan in the Treatment of Pulmonary Arterial Hypertension [Recruiting]
Therapeutic Effect of Sildenafil in Patients With Coronary Vasospasm [Recruiting]
Study to Determine a Preference Between Sildenafil or Tadalafil Treatment for Problems Getting an Erection [Completed]
Effect of Oral Sildenafil With Digital Therapeutic Iontophoresis of Sodium Nitroprussiate in Healthy Volunteers [Recruiting]
Effects of the Combination of Bosentan and Sildenafil Versus Sildenafil Monotherapy on Pulmonary Arterial Hypertension (PAH) [Recruiting]
Sildenafil and Exercise Capacity in Hypertension [Recruiting]
Sildenafil Trial of Exercise Performance in Idiopathic Pulmonary Fibrosis [Recruiting]
To Assess The Efficacy and Safety Of Oral Sildenafil in the Treatment of Pulmonary Arterial Hypertension. [Recruiting]
Effect of Sildenafil on Endothelial Function [Recruiting]
Effect of Testosterone in Men With Erectile Dysfunction [Recruiting]
Open Label Study of Sildenafil in Patients With Pulmonary Arterial Hypertension [Recruiting]
Therapy of Pulmonary Arterial Hypertension (PAH) - Treatment With Sildenafil in Eisenmenger Patients [Recruiting]
The "VISION" Trial: Ventavis Inhalation With Sildenafil to Improve and Optimize Pulmonary Arterial Hypertension [Active, not recruiting]
Long Term Extension Study Evaluating Safety of Sildenafil Citrate When Used to Treat Pulmonary Arterial Hypertension (PAH) in Children. [Recruiting]
Does Sildenafil Protect Against Pulmonary Related Complications Following Cardiopulmonary Bypass? [Recruiting]
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