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A Clinical Study for Magnetic Stimulation of the Posterior Tibial Nerve in Overactive Bladder

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: October 5, 2010
Last Update Posted: October 26, 2010
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
EMKinetics, Inc
October 1, 2010
October 5, 2010
October 26, 2010
October 2009
June 2010   (Final data collection date for primary outcome measure)
Global Response Assessment [ Time Frame: After 12 weeks of therapy ]
Improved score on the Global Response Assessment (GRA) scale after 12 weeks of therapy. A score of 2 (moderately improved) or 3 (markedly improved) constitutes a responder on the 7 point scale
Not Provided
Complete list of historical versions of study NCT01214265 on ClinicalTrials.gov Archive Site
  • Urinary Frequency [ Time Frame: After 12 weeks of therapy ]
    Change in Urinary Frequency (Voiding Diary) from Baseline to 12 weeks
  • Urinary Incontinence [ Time Frame: After 12 weeks of therapy ]
    Change in Urinary Incontinence (Voiding Diary) from Baseline to 12 weeks
  • Overactive Bladder Symptoms (OAB-q SF) [ Time Frame: After 12 weeks of therapy ]
    Change in Overactive Bladder Symptoms (OAB-q SF) from Baseline to 12 weeks
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A Clinical Study for Magnetic Stimulation of the Posterior Tibial Nerve in Overactive Bladder
A Pilot Clinical Study to Evaluate the Initial Feasibility of Neuromodulation Therapy in Treating Patients With Overactive Bladder Via Magnetic Stimulation of the Posterior Tibial Nerve
To evaluate the safety and feasibility of non-invasive magnetic stimulation of the posterior tibial nerve using the EMKinetics LoFIT Pulse System for treating patients with documented overactive bladder.
Not Provided
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Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Overactive Bladder
Device: EMKinetics non-invasive Magnetic neurostimulator
Patients will be treated with 12 weekly sessions of magnetic stimulation of the posterior tibial nerve at 20 hz using the EMKinetics non-invasive Magnetic neurostimulator.
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
June 2010
June 2010   (Final data collection date for primary outcome measure)

Inclusion Criteria:

  • Women >18 years of age
  • A score of > 4 on the OAB-q short form for urgency (question 1)
  • Average urinary frequency > 10 times in one 24 hour day based on a 3-day voiding diary
  • Self-reported bladder symptoms present > 3 months
  • Self-reported failed conservative care (e.g., dietary restriction, fluid restriction, bladder training, behavioral modification, pelvic muscle training, biofeedback, etc.) or use of antimuscarinics.
  • Off all anti-muscarinics for at least 2 weeks prior to enrollment
  • Capable of giving informed consent
  • Ambulatory and able to use a toilet independently, without difficulty
  • Capable and willing to follow all study-related procedures

Exclusion Criteria:

  • The patient is pregnant or intends to become pregnant during the course of the study. (Patients becoming pregnant during the course of the study will immediately be terminated from the study.)
  • The patient has an active urinary tract infection.
  • Neurogenic bladder
  • Botox use in bladder or pelvic floor muscles in the past year
  • Pacemakers or implantable defibrillators
  • Primary complaint of stress urinary incontinence
  • Current vaginal infection
  • Current use of InterStim
  • Current use of Bion
  • Current use of TENS in the pelvic region, back or leg
  • Previously been treated with PTNS
  • Use of investigational drug/device therapy within the past 4 weeks
  • Participating or have participated within the past 4 weeks in any clinical investigation involving or impacting gynecologic, urinary or renal function
  • Deemed unsuitable for enrollment in study by the investigators based on subjects' history or physical examination
  • The patient has metal implant from surgery or a metallic foreign body in either leg below (distal to) the knee (or permanent metallic tattoo <30cm from left ankle).
  • The patient has chronic constipation (less than two (2) bowel movements per week)
  • The patient has history of gastric or urinary retention
  • The patient has uncontrolled diabetes
  • Subjects with nerve damage, injury or surgery that would impact either tibial nerve or pelvic floor function
  • The patient is unable or unwilling to sign informed consent
  • The patient is currently on pharmacologic treatment that could affect bladder function
  • Known Cystocele >/= to Grade 3 that has not been reduced by treatment (surgery or pessary)
Sexes Eligible for Study: Female
18 Years and older   (Adult, Senior)
Contact information is only displayed when the study is recruiting subjects
United States
Not Provided
Not Provided
Amit Rajguru, MD, EMKinetics, Inc
EMKinetics, Inc
Not Provided
Not Provided
EMKinetics, Inc
October 2010

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP