Found 17 matching trials
A Randomized Double Blind, Placebo Controlled Balanced 4-Way Crossover Study To Assess The Efficacy Of Single Oral Doses
PHASE2The primary aim of this study is to assess how effective PF-00592379 is in ...
Location
Pfizer Investigational Site
Effect of Sildenafil in Individuals With Migraine Pretreated With Erenumab
NAAn outstanding scientific question, that merits further investigation, is w...
Location
Danish Headache Center
Study to Investigate Effect of a New Drug (PF-00446687) in Males Suffering From Erectile Dysfunction
PHASE2The purpose of this study is to investigate the effect of up to 200 mg of P...
Location
Pfizer Investigational Site
Sildenafil Efficacy Study on Time Walk From Peripheral Arterial Desease Patients (Stade II) With Arterial Claudication
PHASE3Efffect of a single dose oral intake of sildenafil Or placebo on the walkin...
Location
Multiple Locations
Study the Effects of Different Doses of UK-369,003 in Men With Lower Urinary Tract Symptoms.
PHASE2This is a 12 week study in which different doses and formulations of UK-369...
Location
Pfizer Investigational Site
Daily Tadalafil 5 mg Combined With On-Demand Sildenafil 100 mg for Treatment of Erectile Dysfunction in PDE-5I Non Responder Patients
PHASE4The goal of this clinical trial is to evaluate whether daily dosing with ta...
Location
Urology and Nephrology Center, Mansoura University
Use of Sildenafil (Viagra) in Diabetic Men With Erectile Dysfunction: the Impact on Blood Vessels
PHASE4* To evaluate the impact of nightly sildenafil vs placebo use on diabetic m...
Location
St. Joseph's Health Care London/Urology Clinic
A Placebo-Controlled Single-Dose Trial of Sildenafil in Schizophrenia
PHASE4The study is a double-blind, placebo-controlled, random-order, single-dose ...
Location
Massachusetts General Hospital
A Study Of The Safety and Efficacy Of Viagra In Men With Erectile Dysfunction Who Do Not Self Identify.
PHASE4To compare the efficacy and safety of Viagra (sildenafil citrate) vs. place...
Location
Pfizer Investigational Site
Oxford Haemodynamic Adaptation to Reduce Pulsatility Trial
PHASE2Chronic damage to small blood vessels deep in the brain is seen in half of ...
Location
University of Oxford