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Electrical Nerve Stimulation for Overactive Bladder a Comparison of Treatments

Walter Reed National Military Medical Center logo

Walter Reed National Military Medical Center

Status

Unknown

Conditions

Urge Urinary Incontinence
Overactive Bladder

Treatments

Device: TENS (Transcutaneous Electrical Nerve Stimulation)
Device: PTNS (Percutaneous Tibial Nerve Stimulation

Study type

Interventional

Funder types

Other U.S. Federal agency
Other

Identifiers

NCT01940367
385408-2

Details and patient eligibility

About

The purpose of this study is to determine whether transcutaneous sacral nerve stimulation (TENS SNS) versus percutaneous tibial nerve stimulation (PTNS) is a more effective therapeutic option for subjects with idiopathic overactive bladder (OAB) who have failed conventional therapy. Our primary hypothesis is that TENS therapy is a more effective treatment option due to ease of use and improved subject compliance with this form of therapy.

Full description

To compare the long-term efficacy, subject compliance, and subject satisfaction of percutaneous tibial nerve stimulation (PTNS) therapy versus transcutaneous electrical sacral nerve stimulation (TENS) for the treatment of subjects with idiopathic overactive bladder. Previous short-term studies suggest that these therapies have equal efficacy in improving OAB symptoms, but we hypothesize that long-term efficacy and success is actually higher in the TENS group due to ease of use, since subjects can self-administer this therapy. Secondary goals are to evaluate subject quality of life improvement scores, bladder diary scores (change in the frequency of urination), and changes in urodynamic studies while undergoing these therapies.

Enrollment

114 estimated patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Female
  • Age >18 years
  • Predominant complaint urge urinary incontinence (3 or more episodes per week) OR overactive bladder (8 or more voids per day, and/or 2 or more voids per night)
  • Failed trial of conservative therapy (bladder training, fluid modification, diet modification, caffeine restriction, pelvic floor training)
  • Failed trial of anticholinergic either due to inability to take the medication, adverse reaction to medication, or no improvement on medication
  • Willing and mentally competent to participate in study
  • Willing to complete study questionnaires
  • No contraindications to undergoing PTNS or TENS therapy

Exclusion criteria

  • Age < 18 years
  • Presence of urinary fistula
  • Male. (Males will be excluded because of the different etiology of overactive bladder for males which is primarily caused by prostate problems for men versus the primarily idiopathic cause in women).
  • Recurrent or current urinary tract infection (5 or more infections in the last 12 months)
  • Bladder stones
  • Bladder cancer or suspected bladder cancer
  • Hematuria
  • Pregnancy or planning to become pregnant during the study (urine pregnancy test will be administered to those who are premenopausal and who have not had a hysterectomy)
  • Central or peripheral neurologic disorders such as Multiple Sclerosis, Parkinson's disease, spina bifida, or other spinal cord lesion
  • Metal implants such as pacemaker, implantable defibrillator, or metal implants where PTNS or TENS device needs to be placed (sacrum or ankle/leg).
  • Uncontrolled diabetes
  • Diabetes with peripheral nerve involvement
  • On anticoagulants
  • Current use of anticholinergics or use within the last 4 weeks
  • Current use of botox bladder injections or bladder botox injection within the last year
  • Current use of interstim therapy or currently implanted interstim device or leads
  • Bladder outlet obstruction
  • Urinary retention or gastric retention
  • Painful Bladder Syndrome/Interstitial Cystitis

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

114 participants in 2 patient groups

PTNS Arm
Active Comparator group
Description:
Subjects randomized to the PTNS arm will undergo PTNS treatment once weekly for 30 minutes for 12 weeks total. If at 12 weeks they are considered to have a positive response to therapy, they will continue maintenance therapy in a tapered fashion: subjects will come in every 2 weeks for the next 8 weeks for 30 minute treatments (4 visits total), then every 3-4 weeks for 30 minute treatments for the remaining 32 weeks of the year (8-10 visits).
Treatment:
Device: PTNS (Percutaneous Tibial Nerve Stimulation
TENS Arm
Active Comparator group
Description:
Subjects randomized to the TENS arm of the study will begin therapy after their baseline evaluation is complete. They will be issued a home TENS device (EMPI TENS Select) and will administer self-treatment daily for 2 hours per day (1 hour in the morning and 1 hour in the evening) for a total of 12 weeks. If they are considered to have a positive response with TENS treatment, subjects will continue by weaning use over a three-month time period. They will begin with 3 x per week for 1 month, then 2 x per week for 1 month, then 1 x per week for 1 month, all at 2 hours per day.
Treatment:
Device: TENS (Transcutaneous Electrical Nerve Stimulation)

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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