Clinical trials: Sildenafil
Anterior Ischemic Optic Neuropathy
PDE5 Inhibitor Use and Non-arteritic Anterior Ischemic Optic Neuropathy (NAION)
The primary objective of this study is to determine whether the use of PDE5 inhibitors (vardenafil, sildenafil, or tadalafil) increases the risk for the development of NAION.
- Trial name
- NCT00867815
- Testing
- Diagnostic procedures
- Where
- 13 sites in United States, Australia and 1 more
- Volunteers
- 10 people
- Sponsor
- Bayer
Prostate Cancer, Erectile Dysfunction Following Radical Prostatectomy
Improving Erectile Function and Quality of Life After Prostate Cancer Treatment
This is a research study of erectile dysfunction (ED) in men diagnosed with prostate cancer. 144 patients and partners will participate in the study.
- Conditions
- Prostate Cancer, Erectile Dysfunction Following Radical Prostatectomy, Erectile Dysfunction Following Simple Prostatectomy, Erectile Dysfunction
- Trial name
- NCT01996852
- Testing
- Cognitive-behavioral Meetings, sildenafil citrate, Vacuum Constriction Device
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Case Comprehensive Cancer Center
Sickle Cell Disease, Pulmonary Hypertension
Sildenafil Therapy for Pulmonary Hypertension and Sickle Cell Disease
This study will examine whether the drug sildenafil can lower blood pressure in the pulmonary artery (the blood vessel that leads from the heart to the lungs) in patients with sickle cell disease and pulmonary hypertension (high…
- Trial name
- NCT00492531
- Testing
- Sildenafil
- Where
- 9 sites in United States, United Kingdom
- Volunteers
- 74 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Glioblastoma, Recurrent Adult Brain Neoplasm
Sorafenib, Valproic Acid, and Sildenafil in Treating Patients With Recurrent High-Grade Glioma
The purpose of this research study is to test the safety, tolerability, and effectiveness of the combination of three drugs, sorafenib (Nexavar®), valproic acid (Depakote®), and sildenafil (Viagra®), when used to treat high-grade…
- Conditions
- Glioblastoma, Recurrent Adult Brain Neoplasm, Malignant Glioma, WHO Grade III Glioma
- Trial name
- NCT01817751
- Testing
- sorafenib tosylate, valproic acid, sildenafil citrate
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- Virginia Commonwealth University
Prostate Cancer, Erectile Dysfunction
Study of Sildenafil Citrate During and After Radiotherapy/Hormone Therapy for Erectile Function Versus Radiotherapy/Hormone Therapy for Prostate Cancer
Radiation sometimes affects the ability for a person to have a normal erection. Complete loss of erections after radiation treatment can happen in 40-50% of treated patients.
- Trial name
- NCT00142506
- Testing
- sildenafil citrate and questionaires
- Where
- 5 sites in United States
- Volunteers
- 290 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Anovulation
Sildenafil Vaginal Gel Co-treatment With Clomiphene Citrate in Infertile Women With Thin Endometrium
This is a prospective self controlled clinical trial. Women with clomiphene Citrate failure, and thin endometrium were recruited (N = 42).
- Trial name
- NCT02710981
- Testing
- clomiphene citrate, Sildenafil vaginal gel
- Volunteers
- 42 people
- Sponsor
- Assiut University
Duchenne Muscular Dystrophy, Becker Muscular Dystrophy
Revatio for Heart Disease in Duchenne Muscular Dystrophy and Becker Muscular Dystrophy
This study, supported by Charley's Fund, Inc., is being done to determine if the drug Revatio®(also known as Sildenafil), as compared to placebo (an inactive substance that looks like the study drug, but contains no medication)…
- Trial name
- REVERSE-DBMD (NCT01168908)
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Metabolic Syndrome
Effect of Prolonged PDE-5 Inhibition on Insulin Signaling in Skeletal Muscle.
Our research proposal will determine if PDE-5 inhibition exerts a favorable effect on insulin signaling pathways in skeletal muscle of subjects with impaired fasting glucose and/or impaired glucose tolerance.
- Trial name
- NCT02129725
- Testing
- Sildenafil citrate
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Vanderbilt University Medical Center
Pulmonary Hypertension
The Efficacy and Safety of Sildenafil Citrate Used in Combination With Intravenous Epoprostenol in PAH
Determination of the effects of sildenafil citrate and epoprostenol when used in combination in patients with pulmonary arterial hypertension
- Trial name
- NCT00159861
- Testing
- Sildenafil citrate
- Where
- 52 sites in United States, Belgium and 9 more
- Volunteers
- 267 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Pulmonary Arterial Hypertension
Study of Add-on Ambrisentan Therapy to Background Phosphodiesterase Type-5 Inhibitor (PDE5i) Therapy in Pulmonary Arterial Hypertension (ATHENA-1)
To evaluate the change from baseline in pulmonary vascular resistance (PVR), and other hemodynamic parameters, following the addition of ambrisentan to background phosphodiesterase type-5 inhibitor (PDE-5i) therapy in subjects…
- Trial name
- ATHENA-1 (NCT00617305)
- Testing
- Ambrisentan, Sildenafil, Tadalafil
- Where
- 30 sites in United States
- Volunteers
- 38 people
- Sponsor
- Gilead Sciences
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Study Looking at Combination Therapy (Sitaxsentan+Sildenafil) Vs. Monotherapy (Sitaxsentan Alone) SR-PAAS -Sitaxsentan Efficacy And Safety Trial With A Randomized Prospective Assessment Of Adding Sildenafil
As monotherapy for pulmonary arterial hypertension (PAH) begins to fail additional therapies are introduced. Although co-administration of sitaxsentan and sildenafil is well tolerated the controlled safety/efficacy database of…
- Trial name
- NCT00796666
- Testing
- Sitaxsentan, Sitaxsentan and Sildenafil
- Where
- 48 sites in United States, Argentina and 16 more
- Volunteers
- 131 people
- Sponsor
- Pfizer
Cystic Fibrosis
Evaluation and Treatment of Pulmonary Vascular Disease in Moderate to Severe CF
This study evaluates the ability of the drug sildenafil to improved exercise capacity, cardiac performance during exercise, and quality of life in patients with moderate to severe CF lung disease.
- Trial name
- NCT02626182
- Testing
- sildenafil
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- National Jewish Health
Pulmonary Hypertension
Open Label Study of Sildenafil in Patients With Pulmonary Arterial Hypertension
To assess the safety of sildenafil 20 mg TID orally given to Japanese pulmonary arterial hypertension patients (Part 1 and 2) To assess the efficacy after 12 weeks of treatment of sildenafil 20 mg TID orally given to Japanese…
- Trial name
- NCT00454207
- Testing
- sildenafil citrate (UK-92,480)
- Where
- 8 sites in Japan
- Volunteers
- 44 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Diabetes Mellitus, Type 2, Endothelial Dysfunction
Cardiovascular Effects of Chronic Sildenafil in Men With Type 2 Diabetes
Type 2 Diabetes Mellitus (T2DM) represents a model of endothelial dysfunction, where chronic nitric oxide deprivation, hyperglycaemia and hyperinsulinemia and fibrogenic mediators lead to cardiovascular remodelling associated…
- Trial name
- CECSID (NCT00692237)
- Testing
- Sildenafil
- Where
- Italy
- Volunteers
- 59 people
- Sponsor
- University of Roma La Sapienza
Heart Failure With Reactive Pulmonary Hypertension
Sildenafil in Heart Failure With Reactive Pulmonary Hypertension
The purpose of this study is to determine whether Sildenafil 20mg taken three times a day is effective in the treatment of Heart Failure with Reactive Pulmonary Hypertension. This is a double-blind, placebo controlled trial.
- Trial name
- Sildenafil-HF (NCT02304705)
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Maya Guglin
Pulmonary Arterial Hypertension
Data Analysis for Drug Repurposing for Effective Alzheimer's Medicines (DREAM) - PDE5
This study aims to evaluate the comparative risk of dementia/Alzheimer's disease onset between patients treated with medications that target specific metabolic pathways and patients treated with alternative medications for the…
- Trial name
- NCT05039086
- Testing
- PDE5 inhibitor, Endothelin Receptor Antagonists
- Where
- United States
- Volunteers
- 13,021 people
- Sponsor
- Brigham and Women's Hospital
Cystic Fibrosis
Effects of Sildenafil on CFTR-dependent Ion Transport Activity
Dehydrated airway surfaces resulting from sodium hyperabsorption and lack of chloride secretion are critical to the pathology that leads to the morbidity and mortality from Cystic Fibrosis (CF) lung disease.
- Trial name
- NCT01132482
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- National Jewish Health
Cystic Fibrosis
Sildenafil Exercise: Role of PDE5 Inhibition
Exercise intolerance is an understudied phenomenon in people with CF. The investigators hypothesized that vascular dysfunction plays a significant role, and can be partially reversed by administration of the phosphodiesterase…
- Trial name
- NCT04039087
- Testing
- Sildenafil 40mg oral capsule
- Where
- 2 sites in United States
- Volunteers
- 31 people
- Sponsor
- National Jewish Health
Pulmonary Arterial Hypertension
Pharmacokinetic Effects of QTI571 on Sildenafil and Bosentan in Pulmonary Arterial Hypertension Participants
The purpose of this study was to investigate the effects of QTI571 (imatinib) on pharmacokinetics of bosentan and sildenafil at steady state when co-administered to participants with pulmonary arterial hypertension.
- Trial name
- NCT01392469
- Testing
- Imatinib, Sildenafil, Bosentan
- Where
- 11 sites in United States, Australia and 5 more
- Volunteers
- 21 people
- Sponsor
- Novartis Pharmaceuticals
Erectile Dysfunction
A Study of Tadalafil and Sildenafil in Men With Erectile Dysfunction in China
The primary objective of this study is to evaluate whether, after two 8-week treatment periods, male patients with erectile dysfunction (ED) in China prefer 20 milligram (mg) tadalafil or 100 mg sildenafil.
- Trial name
- NCT01352507
- Testing
- Tadalafil, Sildenafil
- Where
- 9 sites in China
- Volunteers
- 383 people
- Sponsor
- Eli Lilly and Company