NCT01009333

Brief Summary

This study assessed the effect of different InterStim rate settings on voiding diary outcomes. Specifically, the study evaluated how 3 different rate settings affected the number of urinary incontinent episodes per day collected through a voiding diary. The study also evaluated how the 3 different rate settings affected other voiding diary measures including number of voids per day, degree of urgency before each void, number of pads used per day, and number of fecal incontinent episodes, questionnaires, and adverse events.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
13

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Nov 2009

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2009

Completed
1 day until next milestone

First Submitted

Initial submission to the registry

November 2, 2009

Completed
4 days until next milestone

First Posted

Study publicly available on registry

November 6, 2009

Completed
12 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2010

Completed
1.5 years until next milestone

Results Posted

Study results publicly available

May 2, 2012

Completed
Last Updated

May 27, 2013

Status Verified

May 1, 2013

Enrollment Period

1 year

First QC Date

November 2, 2009

Results QC Date

November 28, 2011

Last Update Submit

May 17, 2013

Conditions

Keywords

urgency frequencyurinary urge incontinenceInterStim Therapy

Outcome Measures

Primary Outcomes (1)

  • Number of Urinary Incontinent Episodes Per Day

    In a diary, subjects are asked to rate each urine leaking episode at 'None', 'Slight', 'Moderate' or 'Heavy'. The urinary incontinence was counted if there is any degree of leaking, from 'Slight' to 'Heavy'. The total number of urinary incontinence was calculated per day.

    three weeks

Secondary Outcomes (2)

  • Number of Voids Per Day

    three weeks

  • Number of Pads Per Day

    three weeks

Study Arms (3)

Low InterStim rate setting at 5.2 Hz

EXPERIMENTAL
Device: InterStim Therapy at rate 5.2 Hz

Medium InterStim rate setting at 14 Hz

EXPERIMENTAL
Device: InterStim Therapy at rate 14 Hz

High InterStim rate setting at 25 Hz

EXPERIMENTAL
Device: InterStim Therapy

Interventions

All subjects enrolled in this study were programmed to this rate setting for a 1-week period.

Low InterStim rate setting at 5.2 Hz

All subjects enrolled in this study were programmed to this rate setting for a 1-week period.

Medium InterStim rate setting at 14 Hz

All subjects enrolled in this study were programmed to each rate setting (low, medium, high) for a 1-week period.

High InterStim rate setting at 25 Hz

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Implanted with either Neurostimulator Model 3023 (InterStim) or Neurostimulator Model 3058 (InterStim II) for at least 3 months - Implanted with tined lead models 3889 or 3093
  • Tined lead is located in S2, S3, or S4
  • Diagnosis before InterStim implant included urgency frequency (an average of 8 or more voids per day) and any amount of urinary urge incontinence over the voiding diary reporting period. The diary reporting period must be at least 2 days.
  • Able to tolerate (ie, no complaint of pain or discomfort) acute high InterStim rate setting
  • Able to tolerate (ie, no complaint of pain or discomfort) acute medium InterStim rate setting
  • Able to tolerate (ie, no complaint of pain or discomfort) acute low InterStim rate setting
  • Must be willing to maintain their current regimen (dosage and frequency) of any overactive bladder medication (anticholinergic or antimuscarinic) or tricyclic antidepression medication over the study duration
  • Female subject 18 years of age or older
  • Willing and able to accurately complete voiding diaries and questionnaires, attend visits, and comply with the study protocol that includes maintenance of InterStim programming settings over the course of the study.
  • Able to consent to participate by signing the Informed Consent Form

You may not qualify if:

  • Multiple sclerosis
  • Reiter's syndrome
  • Exclude diabetics unless the subject's diabetes is well-controlled with diet or medication
  • History of spinal cord injury or a cerebral vascular accident (CVA)
  • Active symptomatic urinary tract infection (UTI)
  • Stress incontinence as the primary diagnosis
  • Pelvic pain of uncertain etiology that is not associated with a voiding dysfunction or where pelvic pain is the primary complaint/diagnosis
  • Interstitial cystitis as the primary diagnosis
  • Urinary retention as the primary diagnosis
  • Treatment of urinary symptoms with botulinum toxin in the past 12 months or any plan to have botulinum toxin treatment during the study
  • Bilateral lead placement
  • Have other implantable neurostimulator, pacemaker, or defibrillator
  • Have knowledge of planned MRIs, diathermy, microwave exposure, high output ultrasonic exposure, or RF energy exposure
  • Have an anticipated system modification within the next 1 month
  • Women who are pregnant or planning to become pregnant or women of child-bearing potential who are not using a medically-acceptable method of birth control. Women of child-bearing age potential must undergo a pregnancy test, with a clear negative result, no more than 7 days prior to randomization visit.
  • +3 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Kenneth Peters, MD

Royal Oak, Michigan, 48073, United States

Location

MeSH Terms

Conditions

Urinary Incontinence, Urge

Condition Hierarchy (Ancestors)

Urinary IncontinenceUrination DisordersUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesLower Urinary Tract SymptomsUrological ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Maureen McGuire, Sr. Program Manager
Organization
Medtronic Neuromodulation

Study Officials

  • Maureen McGuire, Ph.D.

    MedtronicNeuro

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 2, 2009

First Posted

November 6, 2009

Study Start

November 1, 2009

Primary Completion

November 1, 2010

Study Completion

November 1, 2010

Last Updated

May 27, 2013

Results First Posted

May 2, 2012

Record last verified: 2013-05

Locations