Clinical trials: Sildenafil
Choroidal Ischemia, Vitelliform Macular Dystrophy
Sildenafil for Treatment of Choroidal Ischemia
The hypothesis of this study is to determine if there is a benefit afforded by the use of systemic Sildenafil to patients with choroidal and retinal degenerations and dystrophies, such as vitelliform degeneration, dry and…
- Conditions
- Choroidal Ischemia, Vitelliform Macular Dystrophy, Age-related Macular Degeneration, Central Serous Retinopathy
- Trial name
- NCT04356716
- Testing
- Sildenafil, Standard of Care Sildenafil, Ocular Coherence Tomography-Angiography (OCT-A)
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Columbia University
Pulmonary Arterial Hypertension, Children
A Randomized, Double-Blind, Placebo-Controlled Study of Sildenafil in Children With Pulmonary Arterial Hypertension.
This is a clinical research study designed to evaluate sildenafil for the treatment of Pulmonary Arterial Hypertension in children, aged 1 to 17 years.
- Trial name
- NCT00159913
- Testing
- Sildenafil citrate
- Where
- 41 sites in United States, Brazil and 15 more
- Volunteers
- 235 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Pulmonary Arterial Hypertension
A Pharmacokinetic Drug-Drug Interaction (DDI) Study Between Sitaxsentan And Sildenafil, And Between Sitaxsentan And Tadalafil After Multiple Doses
Sitaxsentan has a low drug-drug interaction potential and it did not have a clinically relevant effect on pharmacokinetics of sildenafil (a CYP3A sensitive substrate and PDE5 inhibitor).
- Trial name
- NCT01244620
- Testing
- sitaxentan, tadalafil, sitaxsentan
- Where
- Singapore
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Pfizer
Arthritis, Rheumatoid, Atherosclerosis
Does Sildenafil Improve Endothelial Dysfunction in Rheumatoid Arthritis?
The purpose of this study is to determine whether sildenafil improves parameters of vascular function and blood markers involved in development of heart disease in patients with rheumatoid arthritis.
- Trial name
- NCT02908490
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Kimberly Liang
Pulmonary Arterial Hypertension
A Long Term Extension Study Evaluating Safety Of Sildenafil Citrate When Used To Treat Pulmonary Arterial Hypertension (PAH) In Children
Active treatment, dose-blinded extension study evaluating the safety and long term efficacy of sildenafil citrate in children with PAH.
- Trial name
- NCT00159874
- Testing
- Sildenafil citrate
- Where
- 39 sites in United States, Brazil and 13 more
- Volunteers
- 234 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Alveolitis, Fibrosing, Fibrosis, Pulmonary
Sildenafil Study to Treat Idiopathic Pulmonary Fibrosis
Medicines that decrease blood pressure in the lungs may help idiopathic pulmonary fibrosis (IPF) patients function better. This study will test whether sildenafil improves the ability to exercise in patients with pulmonary…
- Conditions
- Alveolitis, Fibrosing, Fibrosis, Pulmonary, Hypertension, Pulmonary
- Trial name
- NCT00359736
- Testing
- sildenafil
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- VA Office of Research and Development
Pulmonary Hypertension, Familial Persistent, of the Newborn
A Study To Evaluate Safety And Efficacy Of IV Sildenafil In The Treatment Of Neonates With Persistent Pulmonary Hypertension Of The Newborn
This study will evaluate whether IV sildenafil can reduce the time on inhaled nitric oxide treatment and reduce the failure rate of available treatments for persistent pulmonary hypertension of the newborn.
- Trial name
- NCT01720524
- Testing
- iv sildenafil
- Where
- 42 sites in United States, Belgium and 10 more
- Volunteers
- 59 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Pulmonary Arterial Hypertension
Combination Therapy in Pulmonary Arterial Hypertension
An open label, non-comparative study design is appropriate for this Phase 4 study designed to assess whether a core therapy of bosentan, either as monotherapy or with the addition of sildenafil, enables patients with pulmonary…
- Trial name
- COMPASS 3 (NCT00433329)
- Testing
- Bosentan, Sildenafil
- Volunteers
- 100 people
- Sponsor
- Actelion
Pulmonary Hypertension
Evaluation of the Pharmacodynamic Effect of the Combination of Sildenafil and Riociguat on Blood Pressure and Other Safety Parameters.
Pulmonary Arterial Hypertension (PAH) is a severe progressive disease with a high mortality. Although several drugs are available for the treatment of PAH none offer a cure, therefore there is still a high medical need for new…
- Trial name
- PATENT PLUS (NCT01179334)
- Testing
- Riociguat (Adempas, BAY63-2521), Sildenafil
- Where
- 25 sites in United States, Austria and 7 more
- Volunteers
- 18 people
- Sponsor
- Bayer
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
Mild to Moderate Hypertension
Evaluation of Drug-drug Interaction Between LCZ696 and Sildenafil in Subjects With Mild to Moderate Hypertension
This study was conducted to investigate the potential for a pharmacokinetic drug-drug interaction in support of the co-administration of LCZ696 and sildenafil.
- Trial name
- NCT01601470
- Testing
- LCZ696, Sildenafil
- Where
- Germany
- Volunteers
- 28 people
- Sponsor
- Novartis Pharmaceuticals
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
Hepatitis C
The Boceprevir and Sildenafil Pharmacokinetics Study
This is a healthy volunteer study looking at the interactions between two drugs: boceprevir and sildenafil. New drugs are being developed to treat people with the chronic viral infection hepatitis C.
- Trial name
- NCT01499498
- Testing
- Sildenafil and Boceprevir
- Where
- United Kingdom
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Infant,Premature
Improving Right Ventricular Function in Young Adults Born Preterm
The purpose of this research is to evaluate the short-term effects of sildenafil and metoprolol on heart function in young adults born premature.
- Trial name
- NCT03696758
- Testing
- Pulmonary Function Testing, Electrocardiogram, Cardiac Magnetic Resonance Imaging
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Wisconsin, Madison
Cystic Fibrosis
Blood Flow and Vascular Function in Cystic Fibrosis
Cystic fibrosis (CF) has many health consequences. A reduction in the ability to perform exercise in patients with CF is related to greater death rates, steeper decline in lung function, and more frequent lung infections.
- Trial name
- CF-FLOW (NCT02057458)
- Testing
- Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks)
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Augusta University
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.
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
Pulmonary Arterial Hypertension
Evaluate The Clinical Effectiveness, Safety And Tolerability Of Sildenafil Used In Doses ≥20mg TID For The Treatment Of Pulmonary Arterial Hypertension
The objective of this observational study is to gain clinical insight on the actual use of sildenafil citrate (Revatio™) for the treatment of pulmonary arterial hypertension (PAH).
- Trial name
- NCT01365585
- Testing
- sildenafil citrate
- Where
- 2 sites in Germany, Ireland
- Volunteers
- 227 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
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
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