Drug or intervention
Sildenafil Clinical Trials
Studies that test Sildenafil, alone, with other treatments or as the comparison.
In numbers
Open to volunteers: recruiting, not yet recruiting or enrolling by invitation. Active adds studies under way that have stopped recruiting.
Open to volunteers
All 29Digital Ulcers in Systemic Sclerosis
Safety and Tolerability of TOP-N53 Applied on Digital Ulcers in Patients With Systemic Sclerosis
The main goal of this clinical trial is to learn about how safe the new drug TOP-N53 solution is when it is applied to open wounds on the fingertip (digital ulcers) in people with an uncommon illness that results in hard…
- Trial name
- TOP-N53-02 (NCT06954597)
- Testing
- TOP-N53, Sildenafil, TOP-N53 vehicle
- Where
- 6 sites in France, Switzerland
- Volunteers
- 15 people
- Sponsor
- Topadur Pharma AG
Scleroderma, Mildly Elevated Pulmonary Pressures
Sildenafil for Early Pulmonary Vascular Disease in Scleroderma
This is a Phase II randomized, double-blind, placebo-controlled trial of sildenafil in men and women with Scleroderma with mildly elevated pulmonary pressures (SSc-MEP) to determine whether sildenafil may be an effective…
- Trial name
- SEPVADIS (NCT04797286)
- Testing
- Sildenafil
- Where
- 2 sites in United States
- Volunteers
- 30 people
- Sponsor
- Johns Hopkins University
Dysmenorrhea, Menstrual Pain
Vaginal Sildenafil for Primary Dysmenorrhea
This open-label, non-randomized mechanistic study will evaluate whether a single 100 mg vaginal sildenafil citrate suppository reduces uterine hypercontractility during menstruation in adults with moderate-to-severe dysmenorrhea.
- Conditions
- Dysmenorrhea, Menstrual Pain, Endometriosis, Uterine Fibroid
- Trial name
- SILDYS (NCT07508358)
- Testing
- Sildenafil citrate vaginal suppository
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Kevin Hellman
Neonatal Encephalopathy
Treatment of Neonatal Encephalopathy With Oral Sildenafil Suspension to Repair Brain Injury Secondary to Birth Asphyxia
Around the time of birth, some babies experience a condition called asphyxia, which means that their brain and other organs do not receive enough blood and/or oxygen to work properly.
- Trial name
- NCT06098833
- Testing
- Sildenafil, Ora-Blend
- Where
- 3 sites in United States, Canada
- Volunteers
- 60 people
- Sponsor
- Pia Wintermark
Pulmonary Arterial Hypertension (PAH) (WHO Group 1 PH)
The Effect of Additive On-Demand Sildenafil vs. Dextrose Candy on Maximum Exercise Capacity in Pulmonary Arterial Hypertension
The goal of this clinical study is to investigate whether the additional intake of sildenafil 20mg on top of standard medical treatment results in a benefit on maximum exercise workload (Wmax) in patients with pulmonary arterial…
- Trial name
- Pocket-PH (NCT07824674)
- Testing
- Dextrose, Sildenafil 20mg
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich
Brain Tumor
Asciminib With or Without Sildenafil for Brain Tumors
Dissemination of medulloblastoma is an independent risk factor of poor prognosis. Dissemination of medulloblastoma at recurrence is nearly universally fatal.
- Trial name
- NCT07039760
- Testing
- Asciminib, Sildenafil, Surgical resection or biopsy
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Washington University School of Medicine
Pulmonary Arterial Hypertension (PAH)
Randomized Study of Triple Therapy vs Sildenafil Dose Optimization in Pulmonary Arterial Hypertension
Pulmonary arterial hypertension (PAH) is a rare and progressive disease characterized by increased pressure in the pulmonary arteries, leading to right heart failure and premature death.
- Trial name
- ASCEND-PAH (NCT07713914)
- Testing
- Prostacyclin Pathway Agent, Sildenafil Dose Optimization
- Where
- Brazil
- Volunteers
- 196 people
- Sponsor
- University of Sao Paulo General Hospital
Erectile Dysfunctions, Healthy Volunteer
A Study to Assess the Safety, Tolerability and Pharmacokinetics of Viaca (Sildenafil + Cabergoline) Compared With Sildenafil and Cabergoline
This is a Phase 1, open-label, single-ascending-dose study evaluating the safety, tolerability, and pharmacokinetics (PK) of Viaca - a fixed-dose oral combination of sildenafil (a PDE5 inhibitor) and cabergoline (a dopamine D2…
- Trial name
- NCT07732387
- Testing
- Viaca, Sildenafil 50 mg, Cabergoline 0.5 MG
- Where
- Australia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Yanping Kong
Chronic Obstructive Pulmonary Disease
Oral Sildenafil for Exercise Capacity, Dyspnea and Cardiopulmonary Function in COPD
Chronic obstructive pulmonary disease (COPD) is a condition characterized by airway obstruction. Patients with COPD experience significant shortness of breath on exertion.
- Trial name
- NCT05061368
- Testing
- Sildenafil Citrate
- Where
- Canada
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Alberta
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
Completed, with results posted
All –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
Healthy Adult Subjects
Clinical Pharmacology Study of Oral Edaravone in Healthy Adult Males (Drug Interaction Study and Preliminary Regimen-Finding Study)
Cohort 1: To evaluate the drug interactions, safety, and tolerability of oral edaravone when coadministered with rosuvastatin, sildenafil or furosemide in healthy adult males Cohort 2: To evaluate the pharmacokinetics, safety…
- Trial name
- NCT04481789
- Testing
- MT-1186, Rosuvastatin, Sildenafil
- Where
- Japan
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Shionogi
Cystic Fibrosis
Safety and Efficacy of Sildenafil in Cystic Fibrosis (CF) Lung Disease
The purpose of this study is to determine whether sildenafil can decrease inflammation in CF lung disease.
- Trial name
- NCT00659529
- Testing
- sildenafil
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- National Jewish Health
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
Bronchopulmonary Dysplasia of Newborn
Safety of Sildenafil in Premature Infants With Severe Bronchopulmonary Dysplasia
This is a multicenter, randomized, placebo-controlled, sequential dose-escalating, double-masked, safety study of sildenafil in premature infants (inpatient in Neonatal Intensive Care Units (NICUs)) with severe bronchopulmonary…
- Trial name
- SILDI-SAFE (NCT04447989)
- Testing
- Sildenafil
- Where
- 25 sites in United States
- Volunteers
- 125 people
- Sponsor
- Christoph Hornik