Clinical trials: Sildenafil, completed
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
Sickle Cell Disease, Priapism
Sildenafil for Treatment of Priapism in Men With Sickle Cell Anemia
This research is being done to evaluate if the phosphodiesterase type 5 (PDE5) inhibitor sildenafil has an effect on the frequency of recurrent priapism and the quality of life of males with sickle cell disease (SCD).
- Trial name
- NCT00940901
- Testing
- sildenafil
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Johns Hopkins University
Metabolic Syndrome, Obesity
Study of Sildenafil Citrate on Insulin Resistance in African American
Obesity has a greater detrimental impact on the health of African American women than on any other racial or gender group. Nearly 80% of African American women are overweight or obese in the United States.
- Trial name
- NCT01334554
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 46 people
- Sponsor
- Vanderbilt University Medical Center
Raynaud Phenomenon Due to Trauma, Raynaud Disease
Topical 10 % Nifedipine Versus 5% Sildenafil in Secondary Raynaud
Objective: To compare the efficacy of topical 10% nifedipine versus 5% sildenafil in patients with secondary Raynaud's phenomenon (RP).
- Conditions
- Raynaud Phenomenon Due to Trauma, Raynaud Disease, System; Sclerosis, Lupus Erythematosus, Systemic
- Trial name
- NCT03027674
- Testing
- 10% nifedipine cream, 5% sildenafil cream
- Where
- Chile
- Volunteers
- 10 people
- Sponsor
- Pontificia Universidad Catolica de Chile
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
Persistent Pulmonary Hypertension of the Newborn
Pharmacokinetics of Sildenafil in Premature Infants
The purpose of this study is to learn more about the safety and dosing of sildenafil in infants.
- Trial name
- NCT01670136
- Testing
- 1 dose of sildenafil
- Where
- 9 sites in United States
- Volunteers
- 34 people
- Sponsor
- University of North Carolina, Chapel Hill
Erectile Dysfunction
Pharmacokinetics of Sildenafil Following Administration of an Chewable Tablet of Sildenafil Relative to Viagra® Conventional Oral Tablet in Healthy Volunteers
This is a single dose open-label comparative pharmacokinetic study to assess the pharmacokinetic characteristics of sildenafil between HIP0908 (chewable tablet) and Viagra (tablet) in healthy male subjects.
- Trial name
- NCT01514903
- Testing
- HIP0908, viagra
- Where
- South Korea
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Hanmi Pharmaceutical Company Limited
Pulmonary Hypertension, Valvular Heart Disease
Sildenafil for Secondary Pulmonary Hypertension Due to Valvular Disease
The purpose of this study is to evaluate the clinical efficacy of the mid-term treatment with sildenafil in patients with persistent moderate or severe pulmonary hypertension (PH) after a heart valve intervention.
- Trial name
- SIOVAC (NCT00862043)
- Testing
- Sildenafil Citrate
- Where
- 18 sites in Spain
- Volunteers
- 200 people
- Sponsor
- Hospital General Universitario Gregorio Marañon
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 Pivotal Study of the Bioequivalence of Oral Viagra® and a Test Sublingual Sildenafil Wafer
A comparative bioequivalence study in 48 healthy male volunteers of oral Viagra and a test sublingual sildenafil wafer.
- Trial name
- NCT02850718
- Testing
- Sublingual Sildenafil, Oral Sildenafil
- Where
- Australia
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- iX Biopharma Ltd.
Pulmonary Fibrosis, Hypertension, Pulmonary
Sildenafil to Increase Exercise Capacity in Individuals With Idiopathic Pulmonary Fibrosis and Pulmonary Hypertension
Idiopathic pulmonary fibrosis (IPF) is a chronic lung disease that affects an individual's ability to breathe. Currently, no medications can reverse the damage to the lungs caused by IPF, but individuals are encouraged to engage…
- Trial name
- NCT00352482
- Testing
- Sildenafil (50 mg)
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Infertility
Sildenafil Citrate in Frozen Embryo Transfer
Comparison between usage of Sildenafil citrate with estradiol valerate or estradiol valerate alone in endometrial preparation and outcome of frozen-thawed embryo transfer cycles.
- Trial name
- NCT02845388
- Testing
- Sildenafil citrate, estradiol valerate
- Volunteers
- 90 people
- Sponsor
- Omar Ahmed El Sayed Saad
Pregnancy Complication
Effect of Sildenafil Citrate on Uteri- Placental Perfusion, Doppler Indices in Growth Restricted Fetuses
To detect the effect of sildenafil citrate on Doppler parameters in fetuses suffering from growth restriction to support its use later as prolonged therapy in those pregnancies at higher risk for such complication.
- Trial name
- NCT02362399
- Testing
- sildenafil citrate
- Where
- Egypt
- Volunteers
- 54 people
- Sponsor
- Al Hayat National Hospital
Heart Failure, Diastolic, Pulmonary Hypertension
Sildenafil in HFpEF (Heart Failure With Preserved Ejection Fraction) and PH
Aim of the study is to investigate whether Sildenafil treatment results in a reduction of pulmonary artery pressure without decrease of cardiac output (CO) and in improvement of exercise capacity in patients with heart failure…
- Trial name
- NCT01726049
- Testing
- Sildenafil
- Where
- Netherlands
- Volunteers
- 52 people
- Sponsor
- University Medical Center Groningen
Pulmonary Arterial Hypertension
Study of Incidence of Respiratory Tract AEs in Patients Treated With Tyvaso® Compared to Other FDA Approved PAH Therapies
A surveillance of respiratory tract related adverse events in patients treated with Tyvaso®(treprostinil) Inhalation Solution versus other FDA approved therapies
- Trial name
- Aspire (NCT01266265)
- Testing
- inhaled prostacyclin, prostacyclin, subcutaneous and intravenous prostacyclin
- Where
- 88 sites in United States
- Volunteers
- 1,333 people
- Sponsor
- United Therapeutics
Immersion Pulmonary Edema (IPE), Swimming Induced Pulmonary Edema (SIPE)
Prevention and Treatment of Immersion Pulmonary Edema
Immersion pulmonary edema (IPE) is a condition in which fluid fills the lungs during diving or swimming, particularly in cold water. Some individuals appear to be predisposed to developing IPE.
- Trial name
- NCT00815646
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Duke University
Raynaud's Phenomenon
"As Required" Oral Sildenafil in Raynaud's Phenomenon
The purpose of this study is to determine whether "on-demand" sildenafil is effective in the treatment of Raynaud's phenomenon.
- Trial name
- PROFIL (NCT02050360)
- Testing
- Sildenafil 40 mg, Sildenafil 80 mg
- Where
- France
- Volunteers
- 41 people
- Sponsor
- University Hospital, Grenoble
Traumatic Brain Injury, Post-concussive Syndrome
Sildenafil for Cerebrovascular Dysfunction in Chronic Traumatic Brain Injury.
The purpose of this study is to determine whether sildenafil (Viagra®) is effective in improving cerebral blood flow and cerebrovascular reactivity inpatients who have persistent symptoms at least 6 months after a traumatic brain…
- Trial name
- NCT01762475
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Uniformed Services University of the Health Sciences
Dysmenorrhea
Viagra in the Treatment of Primary Dysmenorrhea
The primary hypothesis is that a 100mg single dose of sildenafil citrate (Viagra) will have a higher improvement rate when compared to placebo in the treatment of moderate to severe primary dysmenorrhea.
- Trial name
- NCT00123162
- Testing
- Sildenafil Citrate
- Where
- Croatia
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Prostate Cancer, Psychosocial Effects of Cancer and Its Treatment
Sildenafil in Treating Erectile Dysfunction in Patients With Prostate Cancer
RATIONALE: Sildenafil may be effective in helping patients who have undergone treatment for prostate cancer to have an erection for sexual activity and may improve sexual satisfaction and quality of life.
- Conditions
- Prostate Cancer, Psychosocial Effects of Cancer and Its Treatment, Radiation Toxicity, Sexual Dysfunction
- Trial name
- NCT00057759
- Testing
- sildenafil citrate
- Where
- 30 sites in United States
- Volunteers
- 115 people
- Sponsor
- Radiation Therapy Oncology Group