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Viagra (Sildenafil Citrate) - Current Clinical Trials

 
 



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 (Viagra (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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