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Assessment of Penile Vibratory Stimulation Using the Viberect in Men With Mild-Moderate ED

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Johns Hopkins University

Status

Terminated

Conditions

Organic Erectile Dysfunction

Treatments

Device: Viberect

Study type

Interventional

Funder types

Other

Identifiers

NCT01715571
IRB00130002

Details and patient eligibility

About

The primary objective of this study is to assess the safety, acceptability, and satisfaction of penile vibratory stimulation in treatment of erectile dysfunction (ED). The secondary objective is to demonstrate subjective physiological response (erection, rigidity, orgasm) after four weeks of frequent device use and the satisfaction of penile erection and sexual intercourse with partner.

Full description

ED is the inability to develop and maintain an erection for satisfactory sexual intercourse or activity. ED is a highly prevalent medical condition often associated with multiple causes. It is estimated that more than 50 million American men suffer from mild/moderate to severe ED. Roughly 50% of men in their 50's, 60% of men in their 60's, and 70% of men in their 70's suffer from ED. The economic impact of ED is in the billions of dollars. More than 5 billion dollars a year are spent on the pro-erectile medications currently in the market.

Penile vibratory stimulation mimics rapid and repetitive manual/hand stimulation of the penis. Vibratory stimulation of genitalia is considered safe by the medical community with important benefits including treatment of orgasmic dysfunction and stress urinary incontinence. No significant physical or emotional side-effects have been reported in the medical literature. A recent epidemiological study of the use of vibrators by American women and men has shown no complaints, and generally high satisfaction and improvement in sexual response.

Penile erection is controlled by spinal autonomic centers, the activity of which is dependent on input from supraspinal centers and the genitalia. From a neurophysiological viewpoint, scientists believe that penile erection is a culmination of multiple successful nerve reflexes that initiate a vascular event. Simultaneous vibratory stimulation of both surfaces of the penis at high frequency (70-110 Hz) for 7-10 minutes can lead to gradual filling of the penis with arterial blood within minutes by activating the pudendo-cavernosal reflex. Additional physiological effects include progressive rhythmic contraction of the perineal muscles via the bulbocavernosus reflex, which helps in strengthening rigidity of erection. This will prepare the user for successful sexual intercourse. Subsequent orgasm and ejaculation can be very strong and amplified due to stronger contraction of the bulbospongiosus muscle and activation of higher ejaculatory centers.

This study will assess daily or on-demand ease of use, safety, satisfaction, and efficacy of the home use of the Food and Drug Administration (FDA) cleared Viberect device by men with mild to moderate ED

Enrollment

11 patients

Sex

Male

Ages

30 to 70 years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

  • mild-moderate erectile dysfunction based on International Index of Erectile Function (IIEF) erectile function score 13-25

Exclusion Criteria

  • Men with neurological disease
  • IIEF score less than 13
  • Spinal cord injury
  • History of priapism
  • Pelvic neuropathy
  • Post-prostatectomy
  • Penile skin lesions or ulcers
  • Inability to understand and demonstrate device use instructions

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

11 participants in 1 patient group

Viberect treatment
Experimental group
Description:
Participants in this arm have documented mild to moderate ED of organic etiology and will be given the Viberect device for 4 weeks of daily home use in preparation for sexual activity. Men will be asked to use the device and attempt sexual intercourse at least 3 times weekly
Treatment:
Device: Viberect

Trial documents
3

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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