| Treatment of Erectile Dysfunction in Hypogonadal Men With Testosterone Undecanoate (NCT00555087) | Hospital Santa Fe | 2007-05-01 |
| Phase I Study to Investigate the Drug Interaction After Oral Administration of Tamsulosin and SK3530 (NCT00489606) | SK Chemicals Co., Ltd. | 2007-04-01 |
| Phase I Study to Investigate the Alcohol Interaction of SK3530 (NCT00489450) | SK Chemicals Co., Ltd. | 2007-03-01 |
| REPEAT - Real-Life Perception of Efficacy, Attitude, Satisfaction and Safety of Levitra Therapy (NCT00874679) | Bayer | 2007-03-01 |
| Penile Injection Anxiety (NCT00582231) | Memorial Sloan Kettering Cancer Center | 2007-02-28 |
| The Therapy of Nebido as Mono or in Combination With PDE-5 Inhibitors in Hypogonadal Patients With Erectile Dysfunction (NCT00421460) | Chulalongkorn University | 2007-01-01 |
| Vardenafil Treatment Of Erectile Dysfunction In Depressive And Non-Depressive Men (NCT00470873) | Bayer | 2007-01-01 |
| Phase 1 Study of SK3530 to Investigate of the Effect of Food (NCT00443625) | SK Chemicals Co., Ltd. | 2006-12-01 |
| Efficacy and Safety Evaluating Fispemifene in the Treatment of Hypogonadal Men With Erectile Dysfunction Unresponsive to PDE5 Inhibitors (NCT00415571) | QuatRx Pharmaceuticals Company | 2006-12-01 |
| ANDRO 2002: Dehydroepiandrosterone (DHEA) or Testosterone Versus Placebo in Men With Sexual Dysfunction (NCT00202163) | Queen's University | 2006-12-01 |
| The Management of Erectile Dysfunction With Placebo Only (NCT00882934) | Rio de Janeiro State University | 2006-10-01 |
| The Pharmacological Basis for the Increase in Visual Time Constants Induced by Single Oral Doses of Sildenafil (NCT00463957) | University of Cambridge | 2006-08-01 |
| Phase I Study to Investigate the Alcohol Interaction of DA8159 (NCT01241032) | Asan Medical Center | 2006-06-01 |
| A Study Evaluating Vardenafil Compared to Placebo in Subjects With Erectile Dysfunction (ED) and Dyslipidemia (NCT00379756) | GlaxoSmithKline | 2006-05-22 |
| Assessing Efficacy and Safety of Flexible Dosing With Vardenafil in Subjects With Erectile Dysfunction and Hyperlipidemia (NCT00663845) | Bayer | 2006-05-01 |
| Sexual Dysfunction and Dental Care (NCT00281372) | Sheba Medical Center | 2006-02-01 |
| Trial to Evaluate Erectile Function, Fertility and Sperm Count in Male Cyclists Compared to Age Matched Controls (NCT00282477) | Sheba Medical Center | 2006-02-01 |
| Simvastatin for Treating Erectile Dysfunction (NCT00947323) | Santa Casa de Porto Alegre | 2006-01-01 |
| Uroxatral in Men With Benign Prostate Hypertrophy (BPH) and Erectile Dysfunction (ED) (NCT00256399) | University Hospitals Cleveland Medical Center | 2005-11-01 |
| Co-Administering Testosterone With PDE5 Inhibitors in ED Patients Non Responders to PDE5 Inhibitors Alone (NCT00244023) | SELARL du Dr Jacques BUVAT | 2005-10-01 |
| Can Tadalafil Maintain Erectile Function In Patients Treated With Radiotherapy For Prostate Cancer? (NCT00215631) | Erasmus Medical Center | 2005-10-01 |
| Sustainable Efficacy of Vardenafil OD Versus Vardenafil PRN in Erectile Dysfunction (NCT00786253) | Bayer | 2005-10-01 |
| Effect of Sildenafil on Quality of Sexual Life in Mild to Normally Sexually Functioning Males (NCT00313898) | Rambam Health Care Campus | 2005-09-01 |
| Pelvic Angiography in Non-Responders to Phosphodiesterase-5 Inhibitors (PANPI) (NCT00574184) | University of California, Davis | 2005-08-01 |
| Evaluation of the 2005 AMS (American Medical System) IPP (Inflatable Penile Prosthesis) (NCT00636506) | American Medical Systems | 2005-08-01 |
| Assess Efficacy in Subjects With Traumatic Spinal Cord Injury (NCT00667966) | Bayer | 2005-07-01 |
| The Incidence and Treatment of Insulin Resistance Among Men With Erectile Dysfunction (NCT00284960) | Milton S. Hershey Medical Center | 2005-06-01 |
| A Study of Visual Effects of Erectile Dysfunction Medications Dosed Daily for Six Months (NCT00333281) | Eli Lilly and Company | 2005-06-01 |
| Quality of Erection Study (NCT00159900) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2005-05-01 |
| Erectile Dysfunction and Diabetes Mellitus (NCT00134329) | University Hospital, Ghent | 2005-05-01 |
| A Study of DA-8159 in Subjects With Erectile Dysfunction (NCT00282607) | Dong-A PharmTech Co., Ltd. | 2005-05-01 |
| The Prevalence of Erectile Dysfunction (ED) and ED Related Quality of Life of Diabetic Men (NCT00173134) | National Taiwan University Hospital | 2005-05-01 |
| Bone Density and Serum Testosterone in Male Methadone Maintained Patients (NCT00170339) | Hennepin Healthcare Research Institute | 2005-04-01 |
| A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature Ejaculation (NCT00210704) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2005-03-01 |
| Study of Sildenafil Citrate During and After Radiotherapy/Hormone Therapy for Erectile Function Versus Radiotherapy/Hormone Therapy for Prostate Cancer (NCT00142506) | Memorial Sloan Kettering Cancer Center | 2005-02-01 |
| Predicting Peripheral Arterial Disease in Men With Erectile Dysfunction (NCT00743613) | Bruton Avenue Family Practice | 2005-02-01 |
| A Safety and Efficacy Study of Prograf in the Prevention of Erectile Dysfunction After Radical Prostatectomy (NCT00106392) | Astellas Pharma Inc | 2005-02-01 |
| Assess the Effect of Daily Treatment of Vardenafil 20mg or Sildenafil 100mg and Placebo on Sperm Function (NCT00655590) | Bayer | 2005-01-01 |
| Study to Compare the Tolerability and Efficacy of Once Daily Vardenafil vs Vardenafil PRN vs Placebo in Men Immediately After Nerve-sparing Prostatectomy for Improving ED (NCT00492635) | Bayer | 2004-12-01 |
| A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature Ejaculation (NCT00229073) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2004-12-01 |
| Effect of Tadalafil on the Quality of Life and Sexual Life in Erectile Dysfunction (NCT00422578) | Eli Lilly and Company | 2004-10-01 |
| Evaluating the Efficacy of Vardenafil in Subjects With Erectile Dysfunction (ED) Administered 12, 18 or 24 Hours Prior to Intercourse (NCT00667979) | Bayer | 2004-09-01 |
| Assessment of Duration of Erection With Vardenafil 10 mg (NCT00663728) | Bayer | 2004-09-01 |
| BAY38-9456, 5/10/20mg, vs.Placebo in Erectile Dysfunction (NCT00665054) | Bayer | 2004-08-01 |
| Investigate the Responsiveness of the Erectile Quality Scale to Vardenafil Flexible Dose vs Placebo in Males With Erectile Dysfunction (ED) (NCT00665340) | Bayer | 2004-07-01 |
| Evaluation of LEVITRA to Advance the Treatment of Erectile Dysfunction (NCT00664833) | Bayer | 2004-05-01 |
| A Randomised Study of Levitra to Treat Men With Erections Problems and Previously Untreated With Similar Therapy. (NCT00668096) | Bayer | 2004-05-01 |
| Evaluating the Efficacy Vardenafil 10 mg vs Tadalafil 10 mg in in Subjects With Erectile Dysfunction (ED) (NCT00663130) | Bayer | 2004-04-01 |
| BAY38-9456 - Supportive Trial for Spinal Injury (NCT00652262) | Bayer | 2004-03-01 |
| Study to Evaluate Hemodynamic Response to to a Sublingual Dose of Glyceryl Trinitrate in Subjects Receiving TA-1790, Sildenafil Citrate, and Placebo (NCT01616485) | VIVUS LLC | 2004-03-01 |
| Testosterone Replacement in Metabolic Syndrome and Inflammation (NCT01123278) | University of Roma La Sapienza | 2004-01-01 |
| BAY38-9456 - Pivotal Trial for Diabetes Patient (NCT00678704) | Bayer | 2004-01-01 |
| Assessment of Efficacy of Vardenafil in Subjects With Erectile Dysfunction and Diabetes, Hypertension or Hyperlipidemia (NCT00668109) | Bayer | 2003-12-01 |
| Study Evaluation the Efficacy and Safety of Vardenafil in Subjects With Erectile Dysfunction for 10 Weeks (NCT00682019) | Bayer | 2003-12-01 |
| Motor Response to Sildenafil in PD (NCT01941732) | Bispebjerg Hospital | 2003-11-01 |
| A Study of Semen Characteristics After 9 Months of Daily Tadalafil 20 mg (NCT00382135) | Eli Lilly and Company | 2003-11-01 |
| Levitra® - Real Life Safety and Efficacy of Levitra (NCT00663598) | Bayer | 2003-10-01 |
| A Study to Evaluate the Efficacy and Safety of 2.5mg and 5mg Tadalafil Given Once a Day to Men With Erectile Dysfunction (NCT00381732) | Eli Lilly and Company | 2003-10-01 |
| Study to Investigate the Efficacy and Safety of Vardenafil Flexible Dose Versus Placebo in Males With Erectile Dysfunction (NCT00657033) | Bayer | 2003-10-01 |
| Efficacy and Safety of Vardenafil in Men With Erectile Dysfunction (NCT00657644) | Bayer | 2003-08-01 |
| L-Arginine and Erectile Dysfunction (NCT00777075) | Hannover Medical School | 2003-07-01 |
| A Study to Investigate the Time to Onset of Action of 10 mg and 20 mg of Vardenafil Compared to Placebo in Males With Erectile Dysfunction (NCT00665496) | Bayer | 2003-06-01 |
| Study Evaluating the Efficacy, Safety, and Reliability of Vardenafil (NCT00661297) | Bayer | 2003-06-01 |
| 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 (NCT00644956) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2003-06-01 |
| 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 (NCT00644631) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2003-06-01 |
| Study Evaluating the Efficacy and Safety of Flexible-dose Vardenafil in Subjects With Erectile Dysfunction (NCT00658177) | Bayer | 2003-06-01 |
| A Study to Assess the Efficacy and Safety of Vardenafil in the Treatment of Male Patients With Erectile Dysfunction (NCT00654914) | Bayer | 2003-05-01 |
| A Study to Evaluate Self-esteem and Relationships in Males With Erectile Dysfuntion (NCT00648596) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2003-05-01 |
| Assessment of Efficacy of Vardenafil, Influence on Self-esteem and Self-confidence in Subjects With Erectile Dysfunction (NCT00661596) | Bayer | 2003-05-01 |
| To Investigate the Efficacy and Safety of Vardenafil in Men With Erectile Dysfunction. (NCT00661115) | Bayer | 2003-05-01 |
| A Double-blind "Preferred" Vardenafil Dose Study of QoL and Functional Outcomes in Males With Erectile Dysfunction (NCT00661700) | Bayer | 2003-04-01 |
| Assessment of Vardenafil in Patients With Erectile Dysfunction in Asia (NCT00668135) | Bayer | 2003-03-01 |
| Evaluation of the Safety and Efficacy of Vardenafil in Subjects With Erectile Dysfunction (NCT00681772) | Bayer | 2003-03-01 |
| A Study to Assess the Efficacy of Tadalafil to Treat Erectile Dysfunction After Radiotherapy of Prostate Cancer (NCT00122499) | Erasmus Medical Center | 2003-02-01 |
| Evaluating the Efficacy and Safety of Vardenafil in Subjects With Erectile Dysfunction and Hypertension (NCT00668005) | Bayer | 2003-02-01 |
| Evaluation of Efficacy and Safety of Vardenafil in Patients With Erectile Dysfunction and Type 1 Diabetes (NCT00660998) | Bayer | 2003-02-01 |
| Assess Efficacy of Vardenafil 10mg in Erectile Dysfunction Within Intake of 6 Hours (NCT00668018) | Bayer | 2003-01-01 |
| BAY38-9456 (Vardenafil HCL Tablet) in ED Treatment for China Registration. (NCT00668057) | Bayer | 2002-12-01 |
| Depression Related Improvement With Vardenafil for Erectile Response (NCT00661219) | Bayer | 2002-12-01 |
| Placebo-controlled Study Evaluating the Efficacy and Safety of Vardenafil in Subjects With Erectile Dysfunction (NCT00656188) | Bayer | 2002-10-01 |
| Evaluating the Efficacy and Safety of Vardenafil in Patients Erectile Dysfunction Solely Secondary to Spinal Cord Injury (NCT00654680) | Bayer | 2002-10-01 |
| A Study Evaluating the Efficacy and Safety of Sildenafil in Men With Traumatic Spinal Cord Injury and Erectile Dysfunction (NCT00654082) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2002-09-01 |
| Effects of Yohimbine and Naltrexone on Sexual Function (NCT00042536) | National Institute of Mental Health (NIMH) | 2002-07-01 |
| Treatment of Sexual Dysfunction in Hypogonadal Men With Epilepsy With Testosterone and Either Anastrozole or Placebo (NCT00179517) | Beth Israel Deaconess Medical Center | 2001-06-01 |
| Effect of Lifestyle Changes on Erectile Dysfunction in Obese Men: a Randomized Controlled Trial (NCT00636688) | University of Campania Luigi Vanvitelli | 2000-10-01 |
| Duke Urology Database and Specimen Bank (NCT00978991) | Duke University | 1988-01-01 |
| Satisfaction, Confidence and Naturalness in Men With Psychogenic Erectile Dysfunction (ED) (NCT01153204) | Federal University of São Paulo | |
| Effect of Different Dosing Regimens of Tadalafil or Tamsulosin Combined With 5α-Reductase Inhibitors on Urinary and Sexual Outcomes in Benign Prostatic Hyperplasia (NCT07715448) | Beni-Suef University | |
| Efficacy and Safety of Tadalafil in Hemodialysis Patients (NCT00334477) | University of Pernambuco | |
| An Open-Label Study of the Long-Term Safety of Dapoxetine HCl in the Treatment of Rapid Ejaculation (NCT01230762) | Alza Corporation, DE, USA | |