NCT03556891

Brief Summary

This trial is a prospective, multicenter, single-arm study of the safety and effectiveness of eCoinTM tibial nerve stimulation in subjects having overactive bladder (OAB) with urgency urinary incontinence (UUI). The study will evaluate changes from baseline in OAB symptoms as measured by voiding diaries and patient reported-outcomes through 48 weeks of eCoinTM therapy or 52 weeks of implantation.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
133

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Sep 2018

Longer than P75 for not_applicable

Geographic Reach
1 country

15 active sites

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

First Submitted

Initial submission to the registry

May 22, 2018

Completed
23 days until next milestone

First Posted

Study publicly available on registry

June 14, 2018

Completed
3 months until next milestone

Study Start

First participant enrolled

September 4, 2018

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 12, 2020

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

July 30, 2021

Completed
3.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

September 18, 2024

Completed
Last Updated

October 2, 2025

Status Verified

September 1, 2025

Enrollment Period

1.6 years

First QC Date

May 22, 2018

Results QC Date

June 18, 2021

Last Update Submit

September 16, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.

    Responder rate

    48 weeks after device activation.

  • Long-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events.

    All adverse events will be reported in all patients up to 52 weeks after implantation.

    52 weeks after implantation.

Secondary Outcomes (10)

  • Moderate-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events.

    28 weeks after implantation

  • Moderate-term Effectiveness Data. Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.

    24 weeks after device activation

  • Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary

    96 weeks after device activation.

  • Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.

    144 weeks after device activation

  • Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.

    205 weeks after device activation

  • +5 more secondary outcomes

Study Arms (1)

eCoin Tibial Nerve Stimulation

EXPERIMENTAL
Device: eCoin Tibial Nerve Stimulation

Interventions

Subcutaneous stimulation of the tibial nerve using the eCoin device.

eCoin Tibial Nerve Stimulation

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Women and men between 18 and 80 years old.
  • Diagnosis of overactive bladder with urgency urinary incontinence or mixed urge and stress incontinence with a predominant urgency component (selfreported), for at least 6 months.
  • Individual is without pharmacological treatment of overactive bladder (antimuscarinics and beta-3 agonists).
  • Individual is intolerant of or has an inadequate response to any of anticholinergics, β3-adrenoceptor agonists, onabotulinumtoxinA, or percutaneous tibial nerve stimulation.

You may not qualify if:

  • Predominant stress urinary incontinence with more than 1/3 stress urinary incontinent episodes when compared to total urinary incontinent episodes.
  • Clinically significant bladder outlet obstruction.
  • Clinically significant pelvic organ prolapse beyond the hymenal ring.
  • Inadequate skin integrity or any evidence of an infection or inflammation in either lower leg.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (15)

Kaiser Permanente

Downey, California, 90242, United States

Location

Sequoia Urology Center

Redwood City, California, 94062, United States

Location

Kaiser Permanente

San Diego, California, 92110, United States

Location

Sansum Clinic

Santa Barbara, California, 93105, United States

Location

SurgOne PC

Englewood, Colorado, 80113, United States

Location

Urology Associates of Norwalk

Norwalk, Connecticut, 06850, United States

Location

Florida Bladder Institute

Naples, Florida, 34109, United States

Location

North Shore Medical Group

Skokie, Illinois, 60076, United States

Location

UnityPoint Clinic

Waterloo, Iowa, 50703, United States

Location

Chesapeake Urology

Owings Mills, Maryland, 21117, United States

Location

Adult & Pediatric Urology

Omaha, Nebraska, 68114, United States

Location

Manhattan Medical Research

New York, New York, 10016, United States

Location

Alliance Urology Specialists

Greensboro, North Carolina, 27403, United States

Location

The Institute for Female Pelvic Medicine & Reconstructive Surgery (FPM Institute)

Allentown, Pennsylvania, 18103, United States

Location

South Carolina OB/GYN

Columbia, South Carolina, 29201, United States

Location

MeSH Terms

Conditions

Urinary Bladder, OveractiveUrinary Incontinence, UrgeUrinary Incontinence

Condition Hierarchy (Ancestors)

Urinary Bladder DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesLower Urinary Tract SymptomsUrological ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsUrination Disorders

Limitations and Caveats

A limitation of the study was the lack of blinding and comparison. Considering that neuromodulation studies are generally not blinded since the therapy itself is sensed, a control group with a similar safety profile to eCoin could not be achieved. We also acknowledge that a 12-month endpoint provides only medium-term data on the durability of response and future longer follow up data will be needed.

Results Point of Contact

Title
Jackie Dister
Organization
Valencia Technologies

Study Officials

  • Scott MacDiarmid, MD

    Alliance Urology

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 22, 2018

First Posted

June 14, 2018

Study Start

September 4, 2018

Primary Completion

April 12, 2020

Study Completion

September 18, 2024

Last Updated

October 2, 2025

Results First Posted

July 30, 2021

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations