Clinical trials: Sildenafil
Meniere's Disease
Sildenafil For Meniere's Disease
Meniere's disease affects a person's sense of balance. An attack can last 20 minutes to 2 hours or longer. Symptoms include rotational vertigo, hearing loss, tinnitus and a sensation of fullness in the affected ear and may be…
- Trial name
- NCT00145483
- Testing
- Sildenafil
- Where
- 4 sites in Australia
- Volunteers
- 163 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence
Assessment Of Sildenafil On Erectile Function And Intercourse Satisfaction And To Validate A New Subject Questionnaire
To evaluate the effectiveness of sildenafil on erectile function and intercourse satisfaction in men with ED as well as to validate the new Sexual Experience Questionnaire which incorporates functional and emotional elements of a…
- Trial name
- NCT00147628
- Testing
- sildenafil citrate
- Where
- 20 sites in United States
- Volunteers
- 209 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence, Hypertension
To Yield Further Information On The Efficacy And Safety Of Viagra Among Subjects With Arterial Hypertension .
To assess changes with respect to Erectile Dysfunction in subjects treated with Viagra and antihypertensive therapy.
- Trial name
- NCT00150358
- Testing
- Sildenafil Citrate
- Where
- 16 sites in Mexico
- Volunteers
- 253 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence
QEQ Treatment Responsiveness Evaluation Study
The Quality of Erection Questionnaire (QEQ) is a new questionnaire that was developed to assess erectile attributes in men with erectile dysfunction.
- Trial name
- NCT00151463
- Testing
- sildenafil citrate
- Where
- 9 sites in Australia
- Volunteers
- 100 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence, Depression
Efficacy Study Measuring The Impact Of Treatment With Viagra On The Depressive Symptoms Of Men With Erectile Dysfunction
This study will measure the impact of treatment with Viagra on the depressive symptoms and quality of life in men with erectile dysfunction who have untreated depressive symptoms meeting the DSM-IV criteria for dysthymia or…
- Trial name
- NCT00159809
- Testing
- Viagra (Sildenafil citrate)
- Volunteers
- 140 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
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.
Pulmonary Arterial Hypertension
A Long Term Extension Study Evaluating Safety Of Sildenafil Citrate When Used To Treat Pulmonary Arterial Hypertension (PAH) In Children
Active treatment, dose-blinded extension study evaluating the safety and long term efficacy of sildenafil citrate in children with PAH.
- Trial name
- NCT00159874
- Testing
- Sildenafil citrate
- Where
- 39 sites in United States, Brazil and 13 more
- Volunteers
- 234 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Pulmonary Hypertension
Study to Assess the Longterm Safety of Sildenafil Citrate in Patients With Pulmonary Arterial Hypertension
Open label extension study to the pivotal efficacy study to assess the safety of sildenafil citrate in patients with pulmonary arterial hypertension
- Trial name
- NCT00159887
- Testing
- Sildenafil citrate
- Where
- 65 sites in United States, Australia and 20 more
- Volunteers
- 260 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Erectile Dysfunction
Quality of Erection Study
The study objective is to evaluate the effect that sildenafil citrate has on the hardness of erections in males with erectile dysfunction, based on subject responses to question 5 on the Event Log (hardness of erection) as…
- Trial name
- NCT00159900
- Testing
- Sildenafil Citrate
- Where
- 23 sites in Brazil, Germany and 3 more
- Volunteers
- 300 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence
Study to Evaluate Viagra's Ability to Provide a Better Sexual Experience Through Quality Erections and Satisfaction
The study objective is to: 1. To evaluate the effect of sildenafil citrate versus placebo on the IIEF_EF Domain at the end of the double-blind phase 2.
- Trial name
- NCT00245258
- Testing
- Sildenafil Citrate
- Where
- 19 sites in Russia, South Korea and 2 more
- Volunteers
- 312 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence
Evaluation of the Index of Sexual Life Questionnaire
The purpose of the study is to assess the sensibility of the ISL questionnaire.
- Trial name
- NCT00245596
- Testing
- sildenafil
- Where
- 9 sites in France
- Volunteers
- 120 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence
Titration Study to Evaluate Efficacy and Satisfaction of Viagra in Men With Erectile Function.
To evaluate the efficacy of Viagra dose titration to 100mg versus 50mg in men with erectile dysfunction, based on responses to the IIEF questionnaire as measured at the beginning and at the end of double blind treatment…
- Trial name
- NCT00249730
- Testing
- Sildenafil
- Where
- 39 sites in Canada, France and 6 more
- Volunteers
- 510 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence
Impact Of Viagra On Sexual Satisfaction Of Men With Mild Erectile Dysfunction Who Are Sexually Dissatisfied
Men's quality of life (QoL) is potentially affected by mild erectile dysfunction (ED) to the same extent as it is by moderate and severe ED.
- Trial name
- NCT00301262
- Testing
- Viagra (Sildenafil citrate)
- Where
- 26 sites in Canada
- Volunteers
- 183 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Pulmonary Arterial Hypertension
Assess the Efficacy and Safety of Sildenafil When Added to Bosentan in the Treatment of Pulmonary Arterial Hypertension
To assess the efficacy and safety of sildenafil when added to patients with PAH who are taking bosentan as all or part of their background therapy.
- Trial name
- NCT00323297
- Testing
- Bosentan, Sildenafil Citrate
- Where
- 30 sites in United States, Australia and 8 more
- Volunteers
- 105 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Impotence
A Study Of The Safety and Efficacy Of Viagra In Men With Erectile Dysfunction Who Do Not Self Identify.
To compare the efficacy and safety of Viagra (sildenafil citrate) vs. placebo for the treatment of men with ED and at least 1 prespecified risk factor who do not self identify as having ED.
- Trial name
- NCT00343200
- Testing
- Viagra (sildenafil citrate)
- Where
- 48 sites in United States
- Volunteers
- 371 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Female Sexual Arousal Disorder
Study to Investigate Effect of Sildenafil on Clitoral Engorgement as Measured by Magnetic Resonance Imaging (MRI) in Pre-menopausal Women With Female Sexual Arousal Disorder
The purpose of this study is to investigate the effect of 100 mg sildenafil on clitoral engorgement in pre-menopausal women, as well as examining the safety and toleration of the drug.
- Trial name
- NCT00640458
- Testing
- Sildenafil 100 mg
- Where
- 3 sites in United States, Australia
- Volunteers
- 20 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Hypertension, Pulmonary
A Study to Assess the Efficacy and Safety of 20, 40, and 80mg of Sildenafil Three Times a Day in the Treatment of Pulmonary Arterial Hypertension
To evaluate the effect of three doses of oral sildenafil (20, 40 and 80 mg three times a day [TID]) on exercise capacity, as measured by the 6-Minute Walk test, as well as the safety and tolerability, after 12 weeks of treatment…
- Trial name
- NCT00644605
- Testing
- sildenafil
- Where
- 68 sites in United States, Australia and 21 more
- Volunteers
- 275 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Erectile Dysfunction
A Multicenter, Randomized, Parallel Group, Double-Blind, Placebo Controlled, Flexible Dose Escalation Study To Evaluate Sexual And Relationship Satisfaction In The Female Partner Of Men With Erectile Dysfunction Treated With Sildenafil Citrate
To compare the effects of sildenafil versus placebo on the female partner's sexual satisfaction as assessed by Question 3 of Female Partner of Erectile Dysfunction (ED) Subject Questionnaire (FePEDS-Q): "Over the past 4 weeks…
- Trial name
- NCT00644631
- Testing
- sildenafil
- Where
- 31 sites in United States
- Volunteers
- 300 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Erectile Dysfunction
A Randomized, Open-Label, Crossover, Multicenter, Single Dose Comparator Study Evaluating Onset Of Penile Rigidity In Men With Erectile Dysfunction Who Are Treated With Sildenafil And Tadalafil
The objective of this study was to determine and compare the minimum time required to achieve penile rigidity greater than or equal to 60% at the base of the penis that is sustained for at least 3 minutes measured by Rigiscan®…
- Trial name
- NCT00644956
- Testing
- tadalafil, sildenafil
- Where
- 2 sites in Norway, United Kingdom
- Volunteers
- 56 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Benign Prostatic Hyperplasia
A Study to Investigate the Effects on Blood Pressure and Pulse Rate of a Single 100mg Dose of Sildenafil in Patients With Benign Prostatic Hyperplasia Who Are Being Treated With Doxazosin
To investigate the effects of a single dose of sildenafil (100 mg) or placebo on blood pressure and pulse rate in subjects taking doxazosin for benign prostatic hyperplasia (BPH).
- Trial name
- NCT00645034
- Testing
- sildenafil
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.