InterStim Micro Post Market Clinical Follow-up Study (ELITE)

NCT ID: NCT04506866

Last Updated: 2024-12-27

Study Results

Results available

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

148 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-08-25

Study Completion Date

2023-12-08

Brief Summary

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Post-market clinical follow-up for continued assessment of safety and performance to confirm long-term outcomes of the InterStim Micro System for sacral neuromodulation.

Detailed Description

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Conditions

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Overactive Bladder Fecal Incontinence Non-obstructive Urinary Retention

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Overactive Bladder Cohort

Subjects with overactive bladder will be treated with InterStim Micro Therapy and followed-up regarding their overactive bladder symptoms.

Group Type OTHER

InterStim Micro

Intervention Type DEVICE

Eligible subjects will receive InterStim Micro therapy. Commercial devices will be used within their intended use as described in each geography's approved instructions for use

Fecal Incontinence Cohort

Subjects with fecal incontinence will be treated with InterStim Micro Therapy and followed-up regarding their fecal incontinence symptoms.

Group Type OTHER

InterStim Micro

Intervention Type DEVICE

Eligible subjects will receive InterStim Micro therapy. Commercial devices will be used within their intended use as described in each geography's approved instructions for use

Non-Obstructive Urinary Retention Cohort

Subjects with non-obstructive urinary retention will be treated with InterStim Micro Therapy and followed-up regarding their non-obstructive urinary retention symptoms.

Group Type OTHER

InterStim Micro

Intervention Type DEVICE

Eligible subjects will receive InterStim Micro therapy. Commercial devices will be used within their intended use as described in each geography's approved instructions for use

Interventions

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InterStim Micro

Eligible subjects will receive InterStim Micro therapy. Commercial devices will be used within their intended use as described in each geography's approved instructions for use

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Have a diagnosis of OAB as demonstrated on a 3-day voiding diary with greater than or equal to 8 urgency frequency episodes per day and/or by having a minimum of 3 episodes of urinary urge incontinence in 72 hours
2. Subjects 18 years of age or older
3. Candidate for sacral neuromodulation therapy in accordance with the InterStim Micro System labeling
4. Willing and able to accurately complete study diaries, questionnaires, attend visits, device recharging and comply with the study protocol
5. Willing and able to provide signed and dated informed consent


1. Have a diagnosis of fecal incontinence as demonstrated by a 7-day bowel diary as greater than or equal to 2 incontinent episodes of more than staining (i.e., either slight, moderate or severe soiling)
2. Subjects 18 years of age or older
3. Candidate for sacral neuromodulation therapy in accordance with the InterStim Micro System labeling
4. Willing and able to accurately complete study diaries, questionnaires, attend visits, device recharging and comply with the study protocol
5. Willing and able to provide signed and dated informed consent


1. Have a diagnosis of non-obstructive urinary retention as demonstrated by a 7-day urinary voiding diary with a minimum of 5 clean intermittent self-catheterizations
2. Chronic non-obstructive urinary retention with an elevated post-void residual (PVR) that has persisted for at least six months and is documented on two or more separate occasions.
3. Subjects 18 years of age or older
4. Candidate for sacral neuromodulation therapy in accordance with the InterStim Micro System labeling
5. Willing and able to accurately complete study diaries, questionnaires, attend visits, device recharging and comply with the study protocol
6. Willing and able to provide signed and dated informed consent

Exclusion Criteria

1. Have neurological conditions such as multiple sclerosis, clinically significant peripheral neuropathy or spinal cord injury (e.g., paraplegia)
2. Have primary stress incontinence or mixed incontinence where the stress component overrides the urge component
3. Current urinary tract mechanical obstruction (e.g. benign prostatic enlargement or urethral stricture)
4. Have had treatment of urinary symptoms with botulinum toxin therapy in the past 12 months
5. Have knowledge of planned shortwave diathermy, microwave diathermy, or therapeutic diathermy
6. Women who are pregnant or planning to become pregnant
7. Characteristics indicating a poor understanding of the study or characteristics that indicate the subject may have poor compliance with the study protocol requirements.
8. Concurrent participation in another clinical study that may add additional safety risks and/or confound study results.

Fecal Incontinence Cohort


1. Have neurological conditions such as multiple sclerosis, clinically significant peripheral neuropathy or spinal cord injury (e.g., paraplegia)
2. Uncorrected high grade internal rectal prolapse
3. Have knowledge of planned shortwave diathermy, microwave diathermy, or therapeutic diathermy
4. Women who are pregnant or planning to become pregnant
5. Characteristics indicating a poor understanding of the study or characteristics that indicate the subject may have poor compliance with the study protocol requirements.
6. Concurrent participation in another clinical study that may add additional safety risks and/or confound study results.

Non-Obstructive Urinary Retention Cohort


1. Have neurological conditions such as multiple sclerosis, clinically significant peripheral neuropathy or spinal cord injury (e.g., paraplegia)
2. Current urinary tract mechanical obstruction (e.g. benign prostatic enlargement or urethral stricture)
3. Have knowledge of planned shortwave diathermy, microwave diathermy, or therapeutic diathermy .
4. Women who are pregnant or planning to become pregnant
5. Characteristics indicating a poor understanding of the study or characteristics that indicate the subject may have poor compliance with the study protocol requirements.
6. Concurrent participation in another clinical study that may add additional safety risks and/or confound study results.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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MedtronicNeuro

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Mylène Champs

Role: STUDY_DIRECTOR

Medtronic

Locations

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East Coast Institute for Research

Jacksonville, Florida, United States

Site Status

Florida Urology Partners

Tampa, Florida, United States

Site Status

First Urology

Jeffersonville, Indiana, United States

Site Status

Saint Elizabeth Healthcare

Edgewood, Kentucky, United States

Site Status

University of Louisville Hospital

Louisville, Kentucky, United States

Site Status

Louisiana State University Health Sciences Center New Orleans

New Orleans, Louisiana, United States

Site Status

Ochsner Medical Center

New Orleans, Louisiana, United States

Site Status

Minnesota Urology (Woodbury)

Woodbury, Minnesota, United States

Site Status

Montefiore Medical Center

The Bronx, New York, United States

Site Status

The Christ Hospital

Cincinnati, Ohio, United States

Site Status

University of Pennsylvania

Philadelphia, Pennsylvania, United States

Site Status

Prisma Health

Greenville, South Carolina, United States

Site Status

Colon Surgeons of Charleston

Mt. Pleasant, South Carolina, United States

Site Status

Vanderbilt University Medical Center

Nashville, Tennessee, United States

Site Status

Urology Partners of North Texas

Arlington, Texas, United States

Site Status

University of Texas Medical Branch

Galveston, Texas, United States

Site Status

West Virginia University

Morgantown, West Virginia, United States

Site Status

University Urology Associates

Toronto, Ontario, Canada

Site Status

CHU de Nantes - Hôtel Dieu

Nantes, , France

Site Status

Centre Hospitalier Universitaire De Rennes

Rennes, , France

Site Status

Maastricht Universitair Medisch Centrum (MUMC)

Maastricht, , Netherlands

Site Status

Kantonsspital St.Gallen

Sankt Gallen, , Switzerland

Site Status

Guy's & St Thomas' NHS Foundation Trust - St Thomas' Hospital

London, , United Kingdom

Site Status

The Newcastle upon Tyne Hospitals NHS Foundation Trust - Freeman Hospital

Newcastle upon Tyne, , United Kingdom

Site Status

Countries

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Puerto Rico United States Canada France Netherlands Switzerland United Kingdom

References

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Elterman D, Murphy M, Krlin R, Levine R, Yaklic J, Michaels J, Bleier J, Paquette I, Farmer R, Xavier K, Papi B, Wu M, Siproudhis L. Post-Market Study Evaluating Performance of the Rechargeable InterStim Micro System in Fecal Incontinence Patients. Int Urogynecol J. 2025 Apr;36(4):913-921. doi: 10.1007/s00192-025-06127-9. Epub 2025 Apr 5.

Reference Type DERIVED
PMID: 40186665 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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MDT19006

Identifier Type: -

Identifier Source: org_study_id