Genital Nerves Stimulation for Treatment for Erectile Dysfunction
GNS
Transcutaneous Electrical Stimulation of the Genital Nerves (GN) to Improve Erection Dysfunction (ED) in Men: a Pilot Study
1 other identifier
interventional
20
1 country
1
Brief Summary
Objectives: To perform pilot study using unilateral transcutaneous electrical stimulation (TENS) on thegenital nerves (dorsal nerve penis and cavernous nerves) for improving of the intracorpereal pressure and full penil erection in men after exclusion neurogenic, endrogenic and earteriogenic disorders. The investigators hypothesize that this therapy will be effective at improving erectile dysfunction (ED). Material and methods: The study will comprised 20 patients with ED randomized in two groups. Two adhesive skin electrodes are placed, one at the root of the penis and near the pubic symphysis as a cathode, and a second 2-3cm lateral to the penis. Stimulation is delivered for 30 min at the maximal tolerable stimulation amplitude at 210μs pulse width and in one group with a pulse rate at 20Hz, the second group at 60Hz. The penile tumescence and rigidity observed during stimulation are recorded in both groups of patients. Erection Harness Score (EHS) and Quality of Erection Questionnaire (QEQ) are assessed at baseline, immediately after stimulation and 2 weeks after stimulation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Feb 2025
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 31, 2021
CompletedFirst Posted
Study publicly available on registry
February 9, 2022
CompletedStudy Start
First participant enrolled
February 1, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2025
CompletedMay 6, 2023
May 1, 2023
6 months
December 31, 2021
May 2, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Transcutaneous electrical stimulation of the Genital Nerves for treatment ED
Examining the efficacy of transcutaneous genital nerve stimulation (TENS) in the treatment of ED utilizing the International Index of Erectile Function-15 score: A. Erectile function (Q1,2,3,4,5,15): Max score 30 B. Orgasmic function (Q9,19): Max score 10 C: Sexual desire (Q11,12): Max score 10 D: Intercourse satisfaction (Q6,7,8): Max score 15 E: Overall satisfaction (Q13,14): Max Score 10 IEEFscores \<14 out of 39 in domain A (erectile function) may be considered for therapy and referred for specialist investigation.
6 months
Secondary Outcomes (1)
Quality of erection by using two different frequency of stimulation
60 months
Study Arms (2)
Arm A - 20Hz Stimulation
EXPERIMENTALTranscutaneous stimulation of the genital nerves at 20Hz
Arm B - 60Hz Stimulation
EXPERIMENTALTranscutaneous stimulation of the genital nerves at 60Hz
Interventions
Transcutaneous electrical stimulation of the genital nerves using a TENS device and skin adhesive surface electrodes
Eligibility Criteria
You may qualify if:
- Patients presenting characteristic symptoms of refractory ED
You may not qualify if:
- Patients\<18y and \>90y
- Patients who have an implanted pacemaker
- Vulnerable patients with co-morbid conditions should be excluded from this study. These co-morbid conditions include all pathologies of the cardiovascular system (Angina Pectoris, Infarct, Thrombose, Embolie, Hypertonia), pulmonary system (asthma, COPD, chr. Bronchitis), intestinal system (morbus Crohn, diverticulitis..) and any malignant disease. These co-morbid conditions also include neurologic diseases (i.e., stroke, multiple sclerosis, spinal cord injury), sacral dermal pathological conditions, congenital or other anatomical sacral anomalies (e.g. spina bifida, sacral agenesis, trauma sequelae), mobility deficits, medically complicated/uncontrolled diabetes, fecal motility disorders (fecal incontinence/constipation), chronic pelvic pain, history of recurrent urinary tract infections (UTIs), gross hematuria, prior pelvic/vaginal surgeries (incontinence/prolapse surgeries), pelvic cancer (bladder, colon, cervix, uterus, prostate), deeply infiltrating endometriosis of the pelvic plexus, sacral plexus or of the bladder, Reiter´s syndrome, and pelvic radiation.
- Patients suffering from other CNS disorders (mental disorders, severe psychological problems, cerebrovascular accident less than 6 months ago).
- Allergies again skin adhesive electrodes
- Patients with genital lesions/surgeries, pudendal nerve lesion/surgery or genital surgeries, vascular disease or neurological disorders were excluded. Due to the risk of iatrogenic lesions of the erectile nerves, patients suffering from ED secondary to radical prostatectomy are not prime candidates for such a study, however due to the incidence of this etiology and the important impact in the general male population, we decided to include these patients in our study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Possover
Zurich, 8008, Switzerland
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Marc Possover
Possover International Medical Center AG
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Director Department of Neuropelveology & Operative Gynecology
Study Record Dates
First Submitted
December 31, 2021
First Posted
February 9, 2022
Study Start
February 1, 2025
Primary Completion
August 1, 2025
Study Completion
September 1, 2025
Last Updated
May 6, 2023
Record last verified: 2023-05