Erectile Dysfunction

62

Review clinical trials related to Erectile Dysfunction. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Not yet recruiting

Male Pelvic Floor Muscle Rehabilitation Exercises

Phase I G128 Study Objective The ischiocavernosus (IC) and bulbospongiosus (BS) muscles are vital components of the superficial perineal layer, serving as the foundation for male sexual health and performance. These muscles play a primary role in achieving and maintaining erections by compressing the veins to trap blood within the erectile tissues. Furthermore, they are responsible for the rhythmic contractions necessary for ejaculation and the physiological sensations associated with orgasm. Beyond their role in sexual function, these muscles provide critical structural support to the pelvic floor and assist in urinary control. By working in tandem, the IC and BS muscles ensure penile rigidity while stabilizing the surrounding pelvic structures. Maintaining the strength and coordination of these muscles is essential for overall reproductive health and the prevention of pelvic floor dysfunction. The primary objective of this clinical trial is to evaluate the clinical efficacy and therapeutic potential of Exercise G128 in strengthening the male pelvic floor musculature. Furthermore, the study aims to establish a comprehensive safety profile for Exercise G128 during active participation. The research seeks to address the following core investigative questions: To what extent does Exercise G128 improve the tonicity and contractile strength of the IC and BS muscles? What is the incidence and nature of adverse medical events or physiological stressors reported by participants while performing the Exercise G128 protocol? Researchers will conduct a comparative analysis, benchmarking the physiological outcomes of Exercise G128 against existing clinical data regarding the efficacy of traditional Kegel exercises. Participant Requirements: Adhere to a structured regimen, performing Exercise G128 four times weekly over a one-month intervention period. Attend bi-weekly telehealth consultations via video conferencing for supervised clinical assessments, progress monitoring, and physiological testing. Maintain a detailed daily log documenting functional progress, as well as any instances of physical exertion or soreness that necessitated a temporary cessation of the exercise protocol. UPDATE: The G128 inventor and user scheduled an appointment with a Certified Pelvic Rehab Practitioner, who has over 10 years of experience treating complex diagnoses and pelvic impairments. During the appointment, a male pelvic floor muscle test was performed using Rehabilitative Ultrasound Imaging (RUSI). Ultrasound Findings (suprapubic RUSI): Muscle bulk is visually above average compared to clinician's clinical experience; good bilateral muscle mass noted with asymmetry as described. Voluntary Contraction / Coordination: Patient demonstrated visible pelvic floor lift on ultrasound with volitional kegel contraction. Contraction quality: good lift observed; clinician noted contraction quality as above average relative to clinical experience.

Participants needed: 100
Trial details
Age: 18-60Biological sex: MaleType: InterventionalSponsor: Dream Video LLCUpdated: Oct 7, 2026
Eligibility criteria

Men 18 - 60 years of age [+1]

Underlying medical conditions or poor health [+1]

Status: Not yet recruiting

Platelet-Rich Plasma for Erectile Dysfunction After Radical Prostatectomy: a Randomized Controlled Trial

This study will test whether injections of platelet-rich plasma (PRP) can improve erectile function in men with persistent erectile dysfunction (ED) at least 12 months after nerve-sparing radical prostatectomy for prostate cancer. Participants will be randomly assigned to receive either two PRP injections or two saline (placebo) injections into the penis, administered one month apart in a double-blind fashion. Erectile function will be assessed using the International Index of Erectile Function (IIEF) questionnaire at baseline and at 1, 3, 6, and 12 months after the last injection. The primary objective is to determine whether PRP improves the erectile function domain of the IIEF more than saline at one month after the last injection

Participants needed: 100
Trial details
Age: 40-75Biological sex: MaleType: InterventionalSponsor: Herlev and Gentofte HospitalUpdated: Oct 7, 2026Locations: 1
Eligibility criteria

Age 40-75 years [+6]

Known psychiatric, neurological and/or endocrinological disease requiring medica... [+7]

Status: Recruiting

Pudendal Atherosclerosis by IVUS-NIRS in Men With Coronary Artery Disease

This prospective, single-center, exploratory study will evaluate the association between atherosclerotic and lipid plaque burden in the internal pudendal arteries, assessed by intravascular ultrasound and near-infrared spectroscopy (IVUS-NIRS), and the severity of erectile dysfunction in adult men with documented or suspected coronary artery disease undergoing clinically indicated coronary angiography. After completion of the clinically indicated coronary procedure, eligible and hemodynamically stable participants with favorable pelvic vascular anatomy will undergo selective pudendal angiography and investigational IVUS-NIRS imaging of one or both internal pudendal arteries. Erectile function will subsequently be assessed within 30 days using the 5-item International Index of Erectile Function (IIEF-5). The primary outcome will be the correlation between pudendal maxLCBI4mm and IIEF-5 score. Secondary analyses will characterize pudendal and coronary plaque burden, assess the relationship between pudendal and coronary lipid burden, evaluate associations with cardiovascular risk factors, and describe the technical feasibility and safety of pudendal IVUS-NIRS imaging.

Participants needed: 60
Trial details
Age: 18+Biological sex: MaleType: InterventionalSponsor: Hospital Central MilitarUpdated: Oct 2, 2026Locations: 1
Eligibility criteria

Male participants aged 18 years or older. [+7]

Cardiogenic shock, hemodynamic instability, or acute clinical deterioration. [+9]

Status: Not yet recruiting

Shockwave Therapy on Treating Erectile Dysfunction Following Nerve-sparing Radical Prostatectomy.

This study will investigate whether low-intensity extracorporeal shockwave therapy (LiESWT) can help men recover erectile function after nerve-sparing prostate cancer surgery. Erectile dysfunction is common after this surgery, and current rehabilitation treatments mainly help manage symptoms rather than directly promoting recovery of the affected penile tissues. LiESWT is a non-invasive treatment that uses low-intensity shockwaves and may help improve blood flow and tissue recovery. The study will include 80 men undergoing nerve-sparing radical prostatectomy. Participants will be randomly assigned to receive either standard penile rehabilitation alone or standard rehabilitation plus eight LiESWT treatments. Erectile function, urinary function, pain, and potential side effects will be assessed throughout the 36-week study period. The main goal is to determine whether adding LiESWT increases the number of men who recover normal erectile function 24 weeks after surgery. The findings may help improve penile rehabilitation and sexual health outcomes for men recovering from prostate cancer surgery.

Participants needed: 80
Trial details
Age: 18-70Biological sex: MaleType: InterventionalSponsor: University of ManitobaUpdated: Sep 30, 2026Locations: 1
Eligibility criteria

Age 18-70 years [+6]

Untreated hypogonadism or serum total testosterone <300 ng/dL [+3]

Status: Recruiting

Phase IIa Clinical Trial of YN001 in Patients With Atherosclerotic Cardiovascular and Cerebrovascular Diseases and Erectile Dysfunction

This is a randomized, double-blind, placebo-controlled phase IIa clinical trial to evaluate the efficacy and safety of YN001 in patients with atherosclerotic cardiovascular and cerebrovascular diseases and erectile dysfunction

Participants needed: 40
Trial details
Phase: Phase 2Age: 18-75Biological sex: MaleType: InterventionalSponsor: Beijing Inno Medicine Co., Ltd.Updated: Sep 22, 2026Locations: 1
Eligibility criteria

Fully understand the purpose, nature, method and possible adverse reactions of t... [+3]

Patients with erectile dysfunction caused by other sexual dysfunction diseases (... [+13]

Status: Not yet recruiting

EECP for Erectile Dysfunction in Elderly Hypertensive Patients

Hypertension and erectile dysfunction are common health problems in older men and may share vascular dysfunction as an underlying mechanism. Enhanced external counterpulsation (EECP) is a noninvasive treatment in which inflatable cuffs placed around the legs and buttocks are inflated and deflated in synchronization with the heartbeat to improve blood flow. The purpose of this randomized controlled trial is to determine whether EECP, when added to usual antihypertensive treatment, improves blood pressure and is safe in older men with both hypertension and erectile dysfunction. The study will also evaluate whether EECP improves erectile function and other measures related to vascular function, circulation, quality of life, sleep, and psychological well-being. A total of 106 men aged 60 to 75 years will be enrolled at two study centers. Participants will be randomly assigned in a 1:1 ratio to receive either active EECP or sham EECP in addition to their usual antihypertensive treatment. Active EECP will be administered for 1 hour per session, once daily, for 35 sessions over 5 weeks. Sham EECP will be administered using the same device and treatment schedule but at a low cuff pressure that is not expected to produce effective counterpulsation. Participants will not know which treatment they receive. The main study outcome is the change from baseline to the end of the treatment period in average office blood pressure, calculated from three consecutive blood pressure measurements obtained at the study visit. Additional assessments will include office blood pressure during follow-up, 24-hour ambulatory blood pressure monitoring, erectile function, vascular function, hemodynamic measures, quality of life, and adverse events. Participants will be assessed at baseline, after 20 treatment sessions, at the end of treatment, and at 1, 3, and 6 months after treatment.

Participants needed: 106
Trial details
Age: 60-75Biological sex: MaleType: InterventionalSponsor: Qilu Hospital of Shandong UniversityUpdated: Sep 21, 2026Locations: 2
Eligibility criteria

Male participants aged 60 to 75 years with a stable sexual partner. [+5]

Severe cardiac disease, including New York Heart Association class IV heart fail... [+11]

Status: Recruiting

Linear Piezoelectric Low Intensity Shockwave Treatment (LI-SWT) for the Treatment of Erectile Dysfunction in PDE5i Non Responder

The goal of this clinical trial is to assess the efficacy and safety of linear piezoelectric Li-SWT for erectile dysfunction patients who have poor treatment respond from PDE5i oral treatment. Participants will be randomised to either receive 4 cycles, once per week, of Li-SWT treatment on the penis or the Sham group, where the treatment appears to be identical but the shockwave machine is deactivated. Investigators will compare the before and after treatment erectile function using the IIEF questionnaire of the two groups 1 month after treatment to assess the treatment outcome. After that, the Sham group patient would be offered to receive compensatory Li-SWT treatment and their post treatment response will be assessed. All the patients completing the Li-SWT treatment will be followed up at 6 and 12 months to assess the efficacy and adverse events.

Participants needed: 40
Trial details
Age: 30-80Biological sex: MaleType: InterventionalSponsor: The University of Hong KongUpdated: Sep 15, 2026Locations: 1
Eligibility criteria

Male [+6]

Previous penile surgery (e.g. penile lengthening, penile cancer surgery, penile... [+11]

Status: Not yet recruiting

Rehabilitation and Sex Therapy to Optimize Recovery After Prostate Cancer Treatment

This study is being done at Duke Health and includes adult men who have been treated for localized prostate cancer. The goal is to see if it is feasible and acceptable to offer sex therapy by telehealth after prostate cancer treatment. All participants receive pelvic floor physical therapy and education about penile rehabilitation, including use of a vacuum erection device. Participants are randomly assigned to one of two groups. One group receives pelvic floor physical therapy plus telehealth sex therapy, with about ten sessions over six months. The other group receives pelvic floor physical therapy alone. Participants complete questionnaires about urinary and sexual health at the start of the study and over the next two years. Short interviews are also done at 6 and 12 months. Medicines for erectile function are prescribed as part of usual clinical care and are not part of the study treatment.

Participants needed: 30
Trial details
Age: 18+Biological sex: MaleType: InterventionalSponsor: Duke UniversityUpdated: Sep 3, 2026Locations: 1
Eligibility criteria

Age 18 years or older. [+6]

Any androgen deprivation therapy (ADT) given for prostate cancer treatment or pl... [+7]

Status: Recruiting

Penile Lengthening Pre-Penile Prosthesis Implantation

The goal of this study is to determine whether or not the use of a penile traction therapy device known as RestoreX prior to implantation of a penile prosthesis can increase the length of the implant used during surgery. The device used in this study is commercially available and has been used successfully to facilitate penile lengthening in patients with diabetes and after a certain type of prostate surgery. Use of the device has not been shown to have any detrimental effects on sexual or overall health.

Participants needed: 48
Trial details
Age: 18+Biological sex: MaleType: InterventionalSponsor: J. Peter Rubin, MDUpdated: Sep 3, 2026Locations: 1
Eligibility criteria

Have a documented diagnosis of erectile dysfunction [+3]

Prior ischemic priapism [+7]

Status: Recruiting

Daily Tadalafil as Adjunctive Therapy Versus Monotherapy for PDE5 Inhibitor-Resistant Erectile Dysfunction

This randomized trial will compare daily tadalafil 5 mg as adjunct therapy versus monotherapy in men with on-demand PDE5 inhibitor-resistant erectile dysfunction. The study will evaluate changes in erectile function, treatment satisfaction, partner satisfaction, and safety over 12 weeks.

Participants needed: 260
Trial details
Phase: Phase 4Age: 18-70Biological sex: MaleType: InterventionalSponsor: Al-Azhar UniversityUpdated: Sep 1, 2026Locations: 1
Eligibility criteria

Age: 18 to 70 years. [+6]

Current use of nitrates. [+8]

Status: Recruiting

Male Sexual Function and Sexual Quality of Life in Polygamous Versus Monogamous Marriages

This web-based comparative cross-sectional survey will assess sexual function, sexual quality of life, psychological status, and marital satisfaction among Egyptian men in monogamous and polygamous marriages. Eligible participants will be married Egyptian men aged 18 years or older who provide electronic informed consent and complete an anonymous Arabic-language questionnaire. The primary outcome will be sexual function measured using the Sexual Health Inventory for Men (SHIM/IIEF-5). Secondary outcomes will include Sexual Quality of Life-Male (SQOL-M), Depression Anxiety Stress Scales-21 (DASS-21), marital satisfaction, and sociodemographic and clinical predictors of impaired sexual function. Data will be analyzed using descriptive, comparative, correlation, and multivariable regression methods.

Participants needed: 1,820
Trial details
Age: 18+Biological sex: MaleType: ObservationalSponsor: Al-Azhar UniversityUpdated: Aug 25, 2026Locations: 1
Eligibility criteria

Egyptian males aged 18 years or older. [+5]

Unmarried, divorced, or widowed individuals. [+6]

Status: Not yet recruiting

Platelet-Rich Plasma Alone Versus PRP Plus Low-Intensity Shock Wave Therapy for Erectile Dysfunction

Erectile dysfunction is a common condition that may result from vascular, neurological, hormonal, psychological, or medication-related factors. Platelet-rich plasma (PRP) and low-intensity extracorporeal shock wave therapy (Li-ESWT) are regenerative treatment approaches that may improve erectile function through mechanisms involving angiogenesis, tissue repair, and improvement of penile vascular function. This randomized prospective study will compare the efficacy and safety of PRP injection alone with combined PRP injection and Li-ESWT in men with erectile dysfunction. A total of 80 participants will be randomly assigned to two groups. One group will receive PRP injections alone, while the other group will receive PRP injections combined with Li-ESWT. Participants will be followed after treatment to assess changes in erectile function, erection hardness, penile blood flow, patient satisfaction, and treatment-related adverse events. The study hypothesis is that adding Li-ESWT to PRP therapy will result in greater improvement in erectile function than PRP therapy alone.

Participants needed: 80
Trial details
Age: 30-65Biological sex: MaleType: InterventionalSponsor: Benha UniversityUpdated: Aug 24, 2026Locations: 1
Eligibility criteria

Male participants aged 30-65 years. [+4]

Severe erectile dysfunction, defined as IIEF-5 score <8. [+16]

Status: Recruiting

Efficacy of Low-intensity Shockwave vs Radial Wave for Treatment of Erectile Dysfunction and Pelvic Pain

The purpose of this study to perform a randomized, sham controlled analysis of the effectiveness of both fSWT and rWT in the relief of erectile dysfunction and chronic pelvic pain syndrome.

Participants needed: 186
Trial details
Age: 40+Biological sex: MaleType: InterventionalSponsor: The Cleveland ClinicUpdated: Aug 19, 2026Locations: 1
Eligibility criteria

Cis-gendered heterosexual adult males18 years old [+5]

Nerve-injury related ED (/spinal cord injury, severe lumbosacral disorder (radic... [+22]

Status: Recruiting

Lifestyle Modification for Erectile Dysfunction in Men With Metabolic Syndrome

Metabolic syndrome is associated with erectile dysfunction through obesity, insulin resistance, abnormal blood lipids, high blood pressure, and impaired blood-vessel function. This study will evaluate whether a structured six-month lifestyle-modification program can improve penile blood flow and erectile function in men with metabolic syndrome-associated erectile dysfunction. Eligible participants will receive dietary counseling, exercise guidance, weight-management advice, smoking-cessation counseling when applicable, sleep and sedentary-behavior advice, and repeated behavioral reinforcement. Erectile function, penile blood-flow measurements obtained by penile duplex Doppler ultrasonography, body measurements, and selected metabolic laboratory parameters will be assessed before the program and after six months.

Participants needed: 55
Trial details
Age: 30-65Biological sex: MaleType: InterventionalSponsor: Al-Azhar UniversityUpdated: Aug 14, 2026Locations: 2
Eligibility criteria

Men aged 30-65 years. [+6]

Erectile dysfunction primarily attributable to neurogenic, psychogenic, hormonal... [+11]

Status: Not yet recruiting

Efficacy of Intracavernosal Xeomin With Tadalafil for Mild-Moderate Erectile Dysfunction

Erectile dysfunction (ED) affects approximately 30 million men in the United States and is associated with factors such as aging, smoking, diabetes, hypertension, obesity, and sedentary lifestyle. ED can also negatively impact the quality of life of patients and their partners. Treatment decisions are typically made jointly between patients and their urologists, often starting with less invasive options. Oral phosphodiesterase-5 inhibitors (PDE5 inhibitors), including sildenafil, tadalafil, and vardenafil, are commonly used as first-line therapy. While these medications improve erectile function in many patients, approximately 30-40% do not respond adequately to PDE5 inhibitor therapy alone. Patients who do not achieve sufficient benefit may require additional or more invasive treatment options.

Participants needed: 30
Trial details
Phase: Phase 2Age: 18-80Biological sex: MaleType: InterventionalSponsor: Northwestern UniversityUpdated: Aug 14, 2026
Eligibility criteria

Written informed consent obtained from the subject [+6]

Hypersensitivity to the active substance (Clostridium Botulinum neurotoxin type... [+30]

Status: Recruiting

Rigicon Infla10® Three-Piece Inflatable Penile Prosthesis (ERASE ED)

This study evaluates the long-term safety and efficacy of the use of the Rigicon Infla 10® Three-Piece Inflatable Penile Prosthesis in patients with erectile dysfunction. This study follows patients implanted with the Rigicon Infla 10® Three-Piece Inflatable Penile Prosthesis for up to 3 years after implantation. This study will take approximately 6 months to enroll all subjects. (14 days, 6 weeks, 6 months, 12 months,18 months, 24 months, and 36 months, post-procedure. ) Subjects will be followed per protocol and institutional standard of care for ED and comorbidities.

Participants needed: 182
Trial details
Age: 22+Biological sex: MaleType: InterventionalSponsor: Rigicon, Inc.Updated: Aug 13, 2026Locations: 7
Eligibility criteria

Male ≥22 years of age. [+3]

Contraindication to general anesthesia. [+18]

Status: Not yet recruiting

Diagnostic Performance of a Flexible Penile Monitoring System for ED

This study aims to evaluate the diagnostic performance of a novel intelligent flexible penile monitoring system for erectile dysfunction (ED). The current gold standard, RigiScan Plus, often causes discomfort and disrupts sleep due to its mechanical rings, leading to potential "first-night effect" biases. This research utilizes a prospective crossover design to compare the accuracy of the new flexible system with RigiScan in measuring peak rigidity and tumescence. A total of 60 participants (30 ED patients and 30 healthy volunteers) will be enrolled. The study expects to confirm that the flexible system provides highly accurate diagnostic data while significantly improving patient comfort and maintaining natural sleep structures.

Participants needed: 60
Trial details
Age: 18-70Biological sex: MaleType: ObservationalSponsor: Bin XuUpdated: Aug 13, 2026Locations: 1
Eligibility criteria

Males aged 18-70 years with good communication and compliance. [+4]

Systemic diseases: Severe cardiovascular disease (e.g., recent myocardial infarc... [+5]

Status: Not yet recruiting

Comparison Between Excision And Primary Anastomosis Urethroplasty And Tunica Vaginalis Graft Urethroplasty.

Urethroplasty is considered the gold standard for the treatment of urethral stricture disease, with a success rate of more than 93% in terms of stricture recurrence. The objective of this study is to compare the outcomes of excision and primary anastomosis (EPA) urethroplasty, a transecting urethroplasty technique, and tunica vaginalis graft (TVG) urethroplasty, a non-transecting urethroplasty technique, in patients with bulbar urethral strictures up to 2 cm in length. This will be a randomized controlled trial (RCT) involving 94 patients admitted to Sahiwal Teaching Hospital, Sahiwal. The patients will be divided into two equal groups. Randomization will be performed using a computer-generated random sequence. Group A patients will undergo excision and primary anastomosis (EPA) urethroplasty, while Group B patients will undergo tunica vaginalis graft (TVG) urethroplasty. Non-probability convenience sampling will be used. A detailed history of urinary symptoms, sexual function, catheterization, instrumentation, urinary tract infection, and trauma will be obtained to determine the cause of the stricture. Demographic information, including name, age, and contact number, will be recorded. Preoperative investigations will include complete blood count, renal function test, liver function test, urine complete examination, ultrasonography of the kidneys, ureters, and bladder with post-void residual volume (PVR), uroflowmetry, and retrograde urethrogram for the diagnosis and measurement of stricture length. Other study parameters will include length of hospital stay and postoperative complications, such as graft failure, wound infection, urinary tract infection, and fistula formation. Data will be collected using a structured proforma and entered into the Statistical Package for the Social Sciences (SPSS) version 26.0 for analysis. For quantitative variables, the mean and standard deviation will be calculated. For qualitative variables, frequencies and percentages will be calculated. Data will be presented in tables and graphs for both quantitative and qualitative variables. The chi-square test will be used to assess the association between qualitative variables, while the independent samples t-test will be applied to quantitative variables. A p-value of less than 0.05 will be considered statistically significant. It is anticipated that tunica vaginalis graft (TVG) urethroplasty will provide better outcomes than excision and primary anastomosis (EPA) urethroplasty.

Participants needed: 94
Trial details
Age: 18-50Biological sex: MaleType: InterventionalSponsor: Sahiwal medical college sahiwalUpdated: Aug 5, 2026
Eligibility criteria

Patients with diagnosis of bulbar urethral stricture upto 2cm in length. [+4]

Urethral stricture which is completely obliterated stricture. [+7]

Status: Not yet recruiting

Does Erectile Dysfonction Allow to Evaluate Subendocardial Viability Among Treated Patients With Hypertension ?

Erectile dysfunction (ED) is associated with subclinical atherosclerosis and may precede clinically apparent coronary artery disease by two to five years. It may therefore serve as an early warning sign of cardiovascular disease and help identify patients who could benefit from intensified cardiovascular risk-factor management. The subendocardial viability ratio (SEVR), also known as the Buckberg index, is obtained noninvasively from radial artery applanation tonometry. SEVR reflects the balance between myocardial oxygen supply and demand and has been associated with coronary flow reserve in patients with hypertension. The DEVISE study will compare SEVR between treated men with hypertension who have ED with those who do not. The study will also examine the associations between ED severity and arterial stiffness, central hemodynamics, exercise capacity, left ventricular mass, coronary artery calcium, high-sensitivity C-reactive protein, cardiovascular risk, and quality of life. The question addressed in our study is whether an alteration in subendocardial viability represents subclinical coronary disease associated with ED.

Participants needed: 120
Trial details
Age: 18+Biological sex: MaleType: ObservationalSponsor: Assistance Publique - Hôpitaux de ParisUpdated: Jul 22, 2026Locations: 1
Eligibility criteria

Male participant aged 18 years or older. [+6]

Permanent atrial fibrillation [+3]

Status: Recruiting

Stem Cells for Erectile Dysfunction Post RALP

This is a phase 1/2 single center, pilot study to assess safety and efficacy of allogeneic adipose-derived mesenchymal stem cells (HB-adMSCs) and to evaluate the timing and combination effects of active treatment versus placebo in promoting the recovery of erectile function in patients undergoing radical retropubic prostatectomy (RALP) of localized prostate cancer.

Participants needed: 40
Trial details
Phase: Phase 1, Phase 2Age: 40-70Biological sex: MaleType: InterventionalSponsor: The Methodist Hospital Research InstituteUpdated: Jul 10, 2026Locations: 1
Eligibility criteria

Patients scheduled for RALP with Dr. B. Miles at Houston Methodist. [+12]

Penile anatomical abnormalities (Peyronie's disease) [+6]

Status: Recruiting

L-Citrulline and Tadalafil for Mild to Moderate Erectile Dysfunction

Erectile dysfunction is a common male sexual health problem that may affect quality of life and sexual relationships. Tadalafil 5 mg once daily is an established oral treatment for erectile dysfunction. L-citrulline is an oral nitric oxide pathway supplement that may improve erectile function by increasing L-arginine availability. This randomized trial will compare three oral treatment regimens in men with mild to moderate erectile dysfunction: L-citrulline 1500 mg/day, tadalafil 5 mg/day, and the combination of L-citrulline 1500 mg/day plus tadalafil 5 mg/day. Participants will receive treatment for 12 weeks and will be followed at baseline, week 4, week 8, and week 12. The primary outcome will be the change in the International Index of Erectile Function-Erectile Function domain score from baseline to 12 weeks. Secondary outcomes will include changes in IIEF-5/SHIM score, Erection Hardness Score, SEP diary outcomes, treatment adherence, adverse events, and treatment discontinuation.

Participants needed: 133
Trial details
Phase: Phase 4Age: 30-70Biological sex: MaleType: InterventionalSponsor: Beni-Suef UniversityUpdated: Jun 12, 2026Locations: 1
Eligibility criteria

Male patients aged 30 to 70 years. [+6]

Severe erectile dysfunction, defined by International Index of Erectile Function... [+12]

Status: Recruiting

A Single Arm Study of Extracorporeal Shockwave Therapy for Management of Erectile Dysfunction

This is a device study (while the device has been patented and cleared by the FDA, the indication of the use for Erectile Dysfunction has been yet approve). EXSTACY is a study to collect information on which patients who have trouble getting or keeping an erection rigid enough for sex (sometimes known as Erectile Dysfunction or ED) benefit from light intensity shockwave therapy (LI-SWT). LI-SWT is a form of energy transfer to the penis that has been shown to help some men with ED in studies over the past decade. This study will collect information about patients prior to treatment to determine what predicts a good outcome. The investigators hope that this information will help decide which patients are likely to benefit from LI-SWT and which patients should consider other treatments for ED.

Participants needed: 157
Trial details
Age: 18+Biological sex: MaleType: InterventionalSponsor: University of California, San FranciscoUpdated: May 18, 2026Locations: 1
Eligibility criteria

Patient is over the age of 18 [+5]

Placement of a penile prosthesis (malleable or inflatable type) [+2]

Status: Recruiting

Helping Men Adhere to Sexual Rehabilitation Following Prostate Cancer Surgery

The purpose of this study is to test two different ways to help men with sexual rehabilitation.

Participants needed: 224
Trial details
Age: 21+Biological sex: MaleType: InterventionalSponsor: Memorial Sloan Kettering Cancer CenterUpdated: Apr 8, 2026Locations: 1
Eligibility criteria

As per medical record, early stage prostate cancer (Pathologic Stage 1/2 with Gl... [+5]

Both cavernous nerves fully resected as per surgery report (nerve sparing score... [+5]

Status: Recruiting

The Effectiveness of Exercise in the Treatment of Erectile Dysfunction and Premature Ejaculation

The aim is to investigate the effectiveness of exercise in the treatment of erectile dysfunction and premature ejaculation.

Participants needed: 50
Trial details
Age: 25-45Biological sex: MaleType: InterventionalSponsor: Uskudar UniversityUpdated: Mar 3, 2026Locations: 1
Eligibility criteria

Male individuals aged 25-45 years [+3]

Individuals with a history of surgery in the pelvic region [+4]

Status: Recruiting

Safety Follow-up Study of Cellgram-ED in Post-Radical Prostatectomy Erectile Dysfunction

This phase II clinical trial with safety follow-up is designed to evaluate the efficacy and safety of Cellgram-ED (autologous bone marrow-derived mesenchymal stem cells) administered via intracavernous injection in patients with erectile dysfunction after radical prostatectomy.

Participants needed: 32
Trial details
Age: 19-80Biological sex: MaleType: ObservationalSponsor: Pharmicell Co., Ltd.Updated: Feb 24, 2026Locations: 4
Eligibility criteria

Participants who previously participated in the parent clinical trial and receiv... [+1]