Clinical trials: Sildenafil
Fatigue, Aging
Role of Skeletal Muscle Nitric Oxide Production in Age-related Fatigue and Fatigability
This is a pilot study funded by the National Institutes of Health. In this project, we will investigate the potential effect of skeletal muscle nitric oxide (NO) production on muscle strength and physical function in older…
- Trial name
- NCT01059994
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Migraine With Aura
Pharmacologically Triggered Migraine Without Aura and Neuroimaging
Migraine is a highly disabling disorder affecting 14% of the general population Worldwide and ranked as the 6th most debilitating disease worldwide by the WHO.
- Trial name
- NCT03143465
- Testing
- Calcitonin Gene-Related Peptide, Sildenafil
- Where
- Denmark
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Danish Headache Center
Healthy
Drug-Drug Interaction of Clomipramine HCl and Sildenafil Citrate in Healthy Males
The purpose of this study is to evaluate the safety and pharmacokinetics/pharmacodynamics of co-administration of Clomipramine HCl 15mg and Sildenafil citrate 100mg compared to the effects after single oral administration in…
- Trial name
- NCT02028598
- Testing
- Treatment 1, Treatment 2, Treatment 3
- Where
- South Korea
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- CTC Bio, Inc.
Hypoactive Sexual Desire Disorder
Lybrido for Female Sexual Dysfunction
The Lybrido study is a double-blind, randomized, placebo-controlled study with a 4-week baseline establishment period, 16 week treatment period and a follow up period for a total of 26 weeks on study.
- Trial name
- NCT01432665
- Testing
- Sildenafil, Testosterone
- Where
- 14 sites in United States
- Volunteers
- 196 people, healthy volunteers welcome
- Sponsor
- Emotional Brain NY Inc.
Healthy
Food Effect Study For New Formulation
The main objective of this study is to estimate the effect of food on sildenafil pharmacokinetics after administration of Powder Oral Suspension (POS) formulation of sildenafil citrate.
- Trial name
- NCT01656798
- Testing
- sildenafil citrate
- Where
- Singapore
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Chronic Fatigue Syndrome
Use of Sildenafil (Viagra) to Alter Fatigue, Functional Status and Impaired Cerebral Blood Flow in Patients With CFS
Use of Viagra to Alter Symptoms in Patients with Chronic Fatigue Syndrome (CFS)
- Trial name
- NCT00598585
- Testing
- Sildenafil (Viagra)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Charles Drew University of Medicine and Science
Erectile Dysfunction
A Study of Visual Effects of Erectile Dysfunction Medications Dosed Daily for Six Months
This is a multicenter, randomized, double-blind, placebo-controlled study to evaluate the effects on vision of six months of daily dosing of 5 mg tadalafil or 50 mg sildenafil compared with placebo.
- Trial name
- NCT00333281
- Testing
- tadalafil
- Where
- United States
- Volunteers
- 198 people, healthy volunteers welcome
- Sponsor
- Eli Lilly and Company
Female Sexual Arousal Disorder
Multi-Center Study to Evaluate the Efficacy and Safety of Sildenafil Cream (3.6%) in Premenopausal Patients With Female Sexual Arousal Disorder
This study is looking to minimize side effects, while maintaining and potentially improving the therapeutic benefit to patients suffering from Female Sexual Arousal Disorder by providing a topical preparation of Sildenafil…
- Trial name
- RESPOND (NCT04948151)
- Testing
- Sildenafil
- Where
- 51 sites in United States
- Volunteers
- 440 people, healthy volunteers welcome
- Sponsor
- Strategic Science & Technologies, LLC
Healthy Participants
A Study Investigating the Safety, Tolerability, Drug Levels and Drug Effect of BMS-986278 in Healthy Adult Participants (Part 1) and Japanese Participants (Part 2)
The purpose of this study is to evaluate the safety, tolerability, drug levels and drug effect of BMS-986278 in healthy adult participants and Japanese participants.
- Trial name
- NCT05684289
- Testing
- BMS-986278, Sildenafil
- Where
- 2 sites in United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Bristol-Myers Squibb
Subfertility, Female
Effect of Sildenafil Citrate Compared to Estrogen as Adjuvant Therapy for Unexplained Infertility
. This study aimed to determine and compare the effect of vaginal sildenafil citrate and estradiol valerate on endometrial thickness, blood flow and pregnancy rates in infertile women.
- Trial name
- NCT05753098
- Testing
- estrogen therapy, Sildenafil, Clomiphene Citrate 50mg
- Where
- Egypt
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Beni-Suef University
Erectile Dysfunction
Study to Compare the Blood Levels of Sildenafil Following Administration of an Experimental Tablet vs. the Conventional Oral Tablet in Healthy Subjects.
This study to will compare the blood levels of sildenafil following administration of an experimental tablet vs. the conventional oral tablet.
- Trial name
- NCT00795938
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Healthy
Nurigra Chewable Tablet in Healthy Adult Male Volunteers
The purpose of this study is to evaluate pharmacokinetics of sildenafil citrate in healthy male volunteers.
- Trial name
- NCT01651858
- Testing
- Nurigra Chewable tablet
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Daewoong Pharmaceutical Co. LTD.
Healthy
A 2-part Study to Investigate the Effect of Macitentan in Healthy Male Participants
The purpose of this study is to evaluate the effect of macitentan at steady state on the pharmacokinetic (PK) of a single dose of riociguat and sildenafil (Part A); and rosuvastatin (Part B) when co-administered to healthy male…
- Trial name
- NCT04211272
- Testing
- Macitentan, Sildenafil, Riociguat
- Where
- Belgium
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Actelion
Erectile Dysfunction
Pharmacoscintigraphic Study to Evaluate Two Sildenafil Products
The study will assess a new biphasic release sildenafil formulation (N4S001), developed by N4 Pharma. The N4S001 tablet contains a total of 100 mg sildenafil.
- Trial name
- NCT03510338
- Testing
- Sublingual sildenafil, Oral sildenafil
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- N4 Pharma UK Ltd.
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
Insulin Resistance, Endothelial Dysfunction
CD36 in Nutrient Delivery and Its Dysfunction
This proposal will test the hypothesis that chronic treatment with sildenafil with and without the use of nitric oxide substrate, L-arginine, protects against fatty acid induced impairment of endothelial function, improves…
- Trial name
- NCT03012386
- Testing
- Sildenafil Citrate in G allele carrier, Sildenafil Citrate in non G allele carrier
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Oligohydramnios
Comparison Between Treatments of Oligohydramnios
Based on previous studies, Both sildenafil and L-arginine helped to improve idiopathic oligohydramnios. In this study, Level of improvment of oligohydramnios will be compared.
- Trial name
- NCT07135037
- Testing
- Sildenafil 25 MG, L-Arginine, 1000 Mg Oral Tablet
- Where
- 2 sites in Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kafrelsheikh University
Duchenne Muscular Dystrophy
PDE Inhibitors in DMD Study (Acute Dosing Study)
PDE5A inhibition, which boosts NO-cGMP signaling, will relieve functional muscle ischemia and restore normal blood flow regulation (i.e., functional sympatholysis) during exercise in boys with DMD.
- Trial name
- NCT01580501
- Testing
- Tadalafil and Sildenafil
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Healthy Males
Study Of Bioavailability Of Two Sildenafil 100mg Oral Tablet Formulations
the pharmacokinetics of sildenafil following single doses of sildenafil CT administered with and without water is similar relative to the conventional oral tablet of sildenafil administered with water.
- Trial name
- NCT00902512
- Testing
- Treatment A, Blood samples for the analysis of sildenafil in plasma, Treatment B
- Where
- Mexico
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Erectile Dysfunction
The Pharmacological Basis for the Increase in Visual Time Constants Induced by Single Oral Doses of Sildenafil
Sildenafil and similar drugs have been used for several years to treat erectile dysfunction. It has been noticed that in some people, sildenafil causes a subtle increase in the length of time that visual images that we see are…
- Trial name
- NCT00463957
- Testing
- sildenafil, tadalafil
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Cambridge