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Pivotal Study of eCoin for Overactive Bladder With Urgency Urinary Incontinence

Pivotal Study of Subcutaneous Tibial Nerve Stimulation With eCoin for Overactive Bladder (OAB) With Urgency Urinary Incontinence (UUI)

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03556891
Enrollment
133
Registered
2018-06-14
Start date
2018-09-04
Completion date
2024-09-18
Last updated
2025-10-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Incontinence, Urinary, Overactive Bladder, Urge Incontinence, Urinary Urge Incontinence

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.

Detailed description

This study enrolled and implanted 133 subjects at 15 sites in the US under the original IDE. Subjects were given the option to extend out to 3 years post activation, with annual visits at 2 and 3 years post activation (96 and 144 weeks post-activation). Subjects who are still active in the original IDE study will be offered consecutive enrollment in the post approval study and will be given the option to receive a new implant. Subjects who are no longer active, or have exited the study will be given the option to reenter the study and complete two follow-up visits. Subjects re-entering the study will not have the option to receive a new implant. Post approval follow-up of subjects will occur through the year 5 visit (257 weeks post-activation of their original device). Reimplantation of a new eCoin would not reset their follow-up clock.

Interventions

Subcutaneous stimulation of the tibial nerve using the eCoin device.

Sponsors

Valencia Technologies Corporation
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

Primary Inclusion Criteria: 1. Women and men between 18 and 80 years old. 2. 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. 3. Individual is without pharmacological treatment of overactive bladder (antimuscarinics and beta-3 agonists). 4. Individual is intolerant of or has an inadequate response to any of anticholinergics, β3-adrenoceptor agonists, onabotulinumtoxinA, or percutaneous tibial nerve stimulation. Primary

Exclusion criteria

1. Predominant stress urinary incontinence with more than 1/3 stress urinary incontinent episodes when compared to total urinary incontinent episodes. 2. Clinically significant bladder outlet obstruction. 3. Clinically significant pelvic organ prolapse beyond the hymenal ring. 4. Inadequate skin integrity or any evidence of an infection or inflammation in either lower leg.

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.48 weeks after device activation.Responder rate
Long-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events.52 weeks after implantation.All adverse events will be reported in all patients up to 52 weeks after implantation.

Secondary

MeasureTime frameDescription
Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary96 weeks after device activation.Responder rate
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 activationResponder rate
Moderate-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events.28 weeks after implantationAll adverse events will be reported.
Long-term Safety in All Patients: Percentage of Patients With Device Related Adverse Events144 weeks after implantationAll adverse events will be reported in all patients up to 144 weeks after implantation.
Long-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events205 weeks after implantationAll adverse events will be reported in all patients up to 205 weeks after implantation.
Long-term Safety in All Patients: Percentage of Patients With Device Related Adverse Events.96 weeks after implantationAll adverse events will be reported in all patients up to 96 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 activationModerate-term effectiveness data, responder rate

Countries

United States

Participant flow

Participants by arm

ArmCount
eCoin Tibial Nerve Stimulation
eCoin Tibial Nerve Stimulation: Subcutaneous stimulation of the tibial nerve using the eCoin device.
133
Total133

Withdrawals & dropouts

PeriodReasonFG000
Initial Pivotal StudyAdverse Event4
Initial Pivotal StudyDeath1
Initial Pivotal StudyDevice Failure1
Initial Pivotal StudyLost to Follow-up1
Initial Pivotal StudyMissing at random1
Initial Pivotal StudyMissing due to COVID1
Initial Pivotal StudyMRI Need3
Initial Pivotal StudyProtocol Violation1

Baseline characteristics

CharacteristiceCoin Tibial Nerve Stimulation
Age, Continuous64.0 years
STANDARD_DEVIATION 11
Ethnicity (NIH/OMB)
Hispanic or Latino
22 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
101 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
10 Participants
Nocturia Episodes2.54 episodes/day
STANDARD_DEVIATION 1.04
Overactive Bladder Questionnaire (OABq) - Health Related Quality of Life45.7 units on a scale
STANDARD_DEVIATION 22.5
Overactive Bladder Questionnaire (OABq) - Short Form66.1 units on a scale
STANDARD_DEVIATION 19.6
Race (NIH/OMB)
American Indian or Alaska Native
3 Participants
Race (NIH/OMB)
Asian
2 Participants
Race (NIH/OMB)
Black or African American
6 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
Race (NIH/OMB)
Unknown or Not Reported
9 Participants
Race (NIH/OMB)
White
112 Participants
Region of Enrollment
United States
133 participants
Sex: Female, Male
Female
131 Participants
Sex: Female, Male
Male
2 Participants
Urgency Episodes8.20 episodes/day
STANDARD_DEVIATION 3.65
Urgency Urinary Incontinence (UUI) Episodes4.32 episodes/day
STANDARD_DEVIATION 3.08
Urinary Voids13.06 voids/day
STANDARD_DEVIATION 2.67

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
2 / 133
other
Total, other adverse events
40 / 133
serious
Total, serious adverse events
4 / 133

Outcome results

Primary

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.

Time frame: 52 weeks after implantation.

Population: Intent to Treat plus subject with a baseline UUI of 0.

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationLong-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events.16 percentage of participants
Primary

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

Responder rate

Time frame: 48 weeks after device activation.

Population: Intent to Treat

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationPercentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.68 percentage of participants
Secondary

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 144 weeks after implantation.

Time frame: 144 weeks after implantation

Population: ITT population

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationLong-term Safety in All Patients: Percentage of Patients With Device Related Adverse Events20 Percentage of participants
Secondary

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 96 weeks after implantation.

Time frame: 96 weeks after implantation

Population: ITT population

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationLong-term Safety in All Patients: Percentage of Patients With Device Related Adverse Events.20 Percentage of participants
Secondary

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 257 weeks after implantation.

Time frame: 257 weeks after implantation

Population: ITT population

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationLong-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events23 Percentage of participants
Secondary

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 205 weeks after implantation.

Time frame: 205 weeks after implantation

Population: ITT population

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationLong-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events21 Percentage of participants
Secondary

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.

Moderate-term effectiveness data, responder rate

Time frame: 24 weeks after device activation

Population: Intent to Treat

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationModerate-term Effectiveness Data. Percentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.69 percentage of participants
Secondary

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

All adverse events will be reported.

Time frame: 28 weeks after implantation

Population: Intent to Treat plus subject with a baseline UUI of 0.

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationModerate-term Safety in All Patients. Percentage of Patients With Device Related Adverse Events.14 percentage of participants
Secondary

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

Responder rate

Time frame: 96 weeks after device activation.

Population: ITT population with available UUI data at 96 weeks

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationPercentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary78 Percentage of participants
Secondary

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

Responder rate

Time frame: 205 weeks after device activation

Population: ITT population with available UUI data at 205 weeks.

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationPercentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.61 Percentage of participants
Secondary

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

Responder rate

Time frame: 257 weeks after device activation

Population: ITT population with available UUI data at 257 weeks.

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationPercentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.67 Percentage of participants
Secondary

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

Responder rate

Time frame: 144 weeks after device activation

Population: ITT Population with available UUI data at 144 weeks

ArmMeasureValue (NUMBER)
eCoin Tibial Nerve StimulationPercentage of Subjects Experiencing 50% or Better Improvement in Urgency Urinary Incontinence Episodes as Measured by a 3-day Voiding Diary.74 Percentage of participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026