Clinical trials: Sildenafil
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
Major Depressive Disorder
The Phosphodiesterase 5 Inhibitor Sildenafil as an Adjunct to Antidepressants in Major Depressive Disorder Patients
Antidepressant-like effects of sildenafil to its ability to modulate transduction pathways responsible for neuroplasticity. Treatment with sildenafil was shown to be PKG-dependent and lead to increased expression of cGMP, pCREB…
- Trial name
- NCT04344678
- Testing
- Sildenafil Citrate
- Where
- Egypt
- Sponsor
- Sadat City University
Erectile Dysfunction, Smoking
A Comparative Pharmacokinetic and Pharmacodynamic Study of Sildenafil in Adult Smokers and Non Smokers
Smokers are at higher risk of developing Erectile dysfunction (ED) independent of age and comorbidities. Sildenafil is a cytochrome p3A4 (CYP3A4) substrate used for enhancing the erectile function in males.
- Conditions
- Erectile Dysfunction, Smoking, Pharmacokinetics, Pharmacodynamics
- Trial name
- NCT04100759
- Testing
- Sildenafil 50 mg Oral Tablet
- Where
- Egypt
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Glaucoma
Phosphodiesterase Inhibitors in Glaucoma Study (PhiGS)
It is commonly known that high eye pressure is associated with glaucoma. However, there is also a theory that poor circulation to the eye is a contributing factor.
- Trial name
- PhiGS (NCT04052269)
- Testing
- Sildenafil 100mg
- Where
- United Kingdom
- Volunteers
- 30 people
- Sponsor
- Imperial College London
Unexplained Infertility
Cost-effective Treatment of Unexplained Infertility
The issue of unexplained infertility that Southam brought up in 1960 is still a problem today. Despite improvements in infertility assessment, many couples still don't know why they are infertile.
- Trial name
- NCT06178523
- Testing
- Clomiphene Citrate., Sildenafil Citrate, Intrauterine Insemination
- Where
- Saudi Arabia
- Volunteers
- 900 people
- Sponsor
- Batterjee Medical College
Kidney Tumor
Sildenafil Citrate Before Surgery in Improving Kidney Function in Patients With Kidney Cancer
This randomized pilot clinical trial studies sildenafil citrate before surgery in improving kidney function in patients with kidney cancer.
- Trial name
- NCT01950923
- Testing
- sildenafil citrate, therapeutic conventional surgery
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Wake Forest University Health Sciences
Congestive Heart Failure
Study of Sildenafil in Advanced Heart Failure.
Despite advances in medical therapy for patients with heart failure, one-third of patients remain limited by fatigue and shortness of breath.
- Trial name
- NCT00309790
- Testing
- sildenafil
- Volunteers
- 40 people
- Sponsor
- Massachusetts General Hospital
Erectile Dysfunction
SAR407899 Single-dose in Treatment of Mild to Moderate Erectile Dysfunction
The primary objective of this clinical trial is to study the ability of SAR407899 to increase the duration of penile erection in male patients with mild-moderate Erectile Dysfunction.
- Trial name
- RHOKET (NCT00914277)
- Testing
- SAR407899, Sildenafil
- Where
- France
- Volunteers
- 24 people
- Sponsor
- Sanofi
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Safety, Tolerability, and PK Parameters of Sodium Nitrite Inhalation Solution in Healthy Subjects
This is a four-part study of the safety, tolerability, and PK profile of sodium nitrite inhalation solution (AIR001) of ascending multiple doses (Part A) and of escalating doses with steady-state sildenafil (Part B) to healthy…
- Trial name
- NCT01409122
- Testing
- 15 mg sodium nitrite inhalation solution, 90 mg sodium nitrite inhalation solution, 45 mg sodium nitrite inhalation solution
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Aires Pharmaceuticals, Inc.
Congenital Disorders
Eisenmenger's Syndrome in Adults With CHD
Review the outcome of treatment with endothelin receptor antagonists (bosentan or sitaxsetan) alone or in combination with Sildenafil (a PDE-5 inhibitor) in adult patients with pulmonary hypertension due to congenital heart…
- Trial name
- NCT00266903
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Children's Healthcare of Atlanta
Hypertension
A Study to Evaluate the Effect of Two Fixed-Dose Leucine, Sildenafil and Metformin Combinations on Blood Pressure in Individuals With Hypertension
This 12-week, randomized, double-blind, placebo-controlled Phase 2 study will evaluate two fixed-dose oral combinations of L-leucine, sildenafil, and metformin (NS-0200) versus matching placebo in adults 18-75 years with…
- Trial name
- NS-HTN-01 (NCT07647003)
- Testing
- NS-0200 (low sildenafil), NS-0200 (higher sildenafil)
- Volunteers
- 150 people
- Sponsor
- NuSirt Biopharma
Persistent Fetal Circulation Syndrome
Sildenofil in Persistent Pulmonary Hypertension in Newborns
This study hopes to evaluate the effectiveness of early combined use of Sildenafil and nitric oxide (iNO) in newborns with Persistent pulmonary hypertension (PPHN) and or hypoxemic respiratory failure and assess whether this…
- Trial name
- Sildeno (NCT01558466)
- Testing
- Sildenafil, diluent
- Where
- Qatar
- Volunteers
- 100 people
- Sponsor
- Hamad Medical Corporation
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
Erectile Dysfunction
Avanafil Versus Sildenafil in Spinal Cord Injury Erectile Dysfunction
The main goal of this study is to compare the use of Avanafil versus Sildenafil in spinal cord injury erectile dysfunction. The study has the characteristics of a non- inferiority, randomized, crossover, open clinical trial.
- Trial name
- NCT03169582
- Testing
- Avanafil, Sildenafil
- Where
- Spain
- Volunteers
- 78 people
- Sponsor
- Eduardo Vargas-Baquero
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
Peripheral Arterial Occlusive Disease
Sildenafil Efficacy Study on Time Walk From Peripheral Arterial Desease Patients (Stade II) With Arterial Claudication
Efffect of a single dose oral intake of sildenafil Or placebo on the walking capacity on treadmill of PAD patients with claudication
- Trial name
- ARTERIOFIL (NCT02832570)
- Testing
- Sildenafil 100mg single oral dose
- Volunteers
- 14 people
- Sponsor
- University Hospital, Angers
Preterm Preeclampsia
Efficacy of Sildenafil in Preterm Preeclampsia
Randomized controlled trial to assess efficacy of Sildenafil in addition to expectant management for the treatment of preterm preeclampsia
- Trial name
- SIL (NCT02782559)
- Testing
- Sildenafil
- Sponsor
- The University of Texas Health Science Center, Houston
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 Hypertension, Mitral Valve Surgery
PDEI Following Mitral Valve Surgery in Patients With Pulmonary Hypertension
A randomized, placebo controlled, single center clinical trial for evaluation of efficacy and safety of Sildenafil administration in the cardiac ICU following Mitral Valve (MV) Surgery in patients with pre-operative Significant…
- Trial name
- NCT02378649
- Testing
- Sildenafil
- Where
- Israel
- Volunteers
- 60 people
- Sponsor
- Dr. Robert Klempfner Heart Rehabilitation Institute
Healthy
Evaluation of Metabolic Markers for the Prediction of DDI of Various CYP3A Substrates and Inhibitors
Evaluation and validation of metabolic markers for the prediction of drug-drug interaction of various CYP3A4 substrates (sildenafil) and inhibitors (erythromycin/itraconazole) in healthy male subjects
- Trial name
- NCT02975037
- Testing
- Sildenafil, Clarithromycin, Itraconazole
- Where
- South Korea
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital