Clinical trials: Sildenafil
Pulmonary Hypertension
The "VISION" Trial: Ventavis Inhalation With Sildenafil to Improve and Optimize Pulmonary Arterial Hypertension
The purpose of this multi-center international trial is to evaluate the safety and effectiveness of adding iloprost or placebo (an inactive substance that contains no active study drug) to sildenafil therapy for pulmonary…
- Trial name
- VISION (NCT00302211)
- Testing
- Inhaled Iloprost (5 μg), Sildenafil, Bosentan
- Volunteers
- 67 people
- Sponsor
- Actelion
Bronchopulmonary Dysplasia
Safety of Sildenafil in Premature Infants
Describe the safety of sildenafil in premature infants at risk of bronchopulmonary dysplasia and determine preliminary effectiveness and pharmacokinetics (PK) of sildenafil.
- Trial name
- SIL02 (NCT03142568)
- Testing
- Sildenafil
- Where
- 15 sites in United States, Canada
- Volunteers
- 109 people
- Sponsor
- University of North Carolina, Chapel Hill
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.
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
To Provide Sildenafil Therapy To Eligible Adult Patients With Pulmonary Arterial Hypertension For 112 Weeks
The purpose of this study is to provide sildenafil therapy to eligible adult patients with pulmonary arterial hypertension (PAH) and to the patients who completed the A1481142 study for the treatment of PAH in Poland.
- Trial name
- NCT00946114
- Testing
- sildenafil
- Where
- 2 sites in Poland
- Volunteers
- 32 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
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
Scleroderma, Systemic, Scleroderma, Diffuse
Effect of Sildenafil on the Microcirculatory Blood Flow and Endothelial Progenitor Cells in Systemic Sclerosis
Early phases of systemic sclerosis is characterized by inflammatory and microvasculature alterations. Sildenafil citrate has been shown to have vasodilatory effects and to enhance vasculogenesis.
- Conditions
- Scleroderma, Systemic, Scleroderma, Diffuse, Scleroderma, Limited, Raynaud Phenomenon
- Trial name
- NCT01347008
- Testing
- Sildenafil citrate
- Where
- Brazil
- Volunteers
- 41 people
- Sponsor
- Federal University of São Paulo
Vascular System Injuries, Concussion, Brain
Sildenafil Treatment for Mild TBI
About 300,000 people are hospitalized for traumatic brain injury (TBI) each year. After TBI, secondary brain injury escalates due in part to heightened levels of oxidant injury, inflammation, and vascular injury.
- Conditions
- Vascular System Injuries, Concussion, Brain, Post-Concussion Syndrome
- Trial name
- NCT03598140
- Testing
- Sildenafil Citrate
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Pulmonary Disease, Chronic Obstructive, Emphysema
Sildenafil for Chronic Obstructive Pulmonary Disease
The purpose of this study is to determine if sildenafil improves the exercise capacity and lung function of patients with chronic obstructive pulmonary disease.
- Trial name
- NCT00104637
- Testing
- sildenafil citrate
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Kawut, Steven, MD
Pulmonary Arterial Hypertension, Hypertension, Pulmonary
Safety And Efficacy Of Sildenafil In Children With Pulmonary Arterial Hypertension
Pulmonary arterial hypertension (PAH) is a rare, progressive, and life-threatening disease. In many patients, the course of PAH is a steady deterioration and reduced life expectancy.
- Trial name
- NCT01642407
- Testing
- Sildenafil
- Where
- 5 sites in Japan
- Volunteers
- 6 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
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
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
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
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
Pulmonary Hypertension
Special Investigation For Long-Term Use Of Sildenafil (Regulatory Post Marketing Commitment Plan)
The objective of this surveillance is to collect information about 1) adverse drug reaction not expected from the LPD (unknown adverse drug reaction), 2) the incidence of adverse drug reactions in this surveillance, and 3)factors…
- Trial name
- NCT00666198
- Testing
- SILDENAFIL
- Volunteers
- 3,337 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Aortic Stenosis
Acute Hemodynamic Effects of Sildenafil in Patients With Severe Aortic Stenosis
Pulmonary hypertension is common in patients with aortic stenosis and is associated with worse operative and long-term outcomes.
- Trial name
- NCT01060020
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Washington University School of Medicine
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 Hypertension, Persistent, of the Newborn
A Non-Interventional Follow Up Study For Subjects Who Received Sildenafil for Persistent Pulmonary Hypertension of the Newborn (PPHN)
This single center study will monitor the developmental progress of PPHN patients who received iv sildenafil in study A1481276. Two visits will be conducted, at 12 and 24 months following the end of study drug infusion.
- Trial name
- NCT01801982
- Testing
- non-interventional
- Where
- United Kingdom
- Volunteers
- 1 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Parkinson's Disease
Sildenafil (Viagra) for the Treatment of Dyskinesias in Parkinson's Disease
This study is to determine if Viagra is effective in reducing dyskinesias in patients with Parkinson's Disease.
- Trial name
- NCT02162979
- Testing
- sildenafil
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Loma Linda University
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.