- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03278613
Neuromodulation for Accidental Bowel Leakage (NOTABLe)
This study is a multi-center, randomized clinical trial of women with refractory accidental bowel leakage (ABL) symptoms who have failed to achieve satisfactory symptom control from 2 first-line treatments for ABL: supervised pelvic muscle training (PMT) and constipating medication. The purpose of this study is to compare percutaneous tibial nerve stimulation (PTNS) to a validated sham to determine if PTNS is effective for the treatment of fecal incontinence (FI) in women.
The investigators will test the null hypothesis that change from baseline in St. Mark's (Vaizey) score after 12 weeks of stimulation is not significantly different in women with symptomatic ABL receiving PTNS treatments compared to women receiving sham PTNS treatments.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The overarching goal of this randomized clinical trial is to determine if PTNS is more effective than sham PTNS for the treatment of FI in women after 12 weeks of treatment and 1 year after initiating treatment. This is a two-part trial with a Run-In Phase prior to randomization. The trial has the following primary aim:
To determine whether the change from baseline in St. Mark's (Vaizey) score in women with symptomatic ABL undergoing PTNS differs from sham after 12 weeks of stimulation.
Additional secondary aims include:
- To compare changes from baseline in self-reported functional outcomes after 12 weekly stimulation sessions in both PTNS and sham groups in Part 1.
- To determine whether symptom relief amongst study "responders" can be sustained for one year with maintenance treatments in Part II.
- To determine the impact of completing a bowel diary and receiving education on FI on symptom severity.
- To determine the ability of the PFDN ABL phone app bowel diary to detect changes from baseline in fecal incontinence episodes recorded to after 12 weeks of stimulation sessions.
- To determine the association between St. Mark's score and both fat and fiber intake alone and in combination.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Alabama
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Birmingham, Alabama, United States, 35233-7333
- University of Alabama at Birmingham
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California
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Downey, California, United States, 90242
- Kaiser Permanente -- Downey
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La Jolla, California, United States, 92037-0974
- University of California at San Diego, UCSD Women's Pelvic Medicine Center
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San Diego, California, United States, 92110
- Kaiser Permanente -- San Diego
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North Carolina
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Durham, North Carolina, United States, 27707
- Duke University, Duke Division of Urogynecology and Reconstructive Pelvic Surgery
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- University of Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15213
- Magee-Women's Hospital, Department of Obstetrics and Gynecology
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Rhode Island
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Providence, Rhode Island, United States, 02903
- Brown/ Women and Infants Hospital of Rhode Island, Center for Women's Pelvic Medicine and Reconstructive Surgery
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Texas
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Dallas, Texas, United States, 75390
- University of Texas Southwestern Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Women ≥ 18 years of age
- FI symptoms ≥ 3 months
- Baseline St. Mark's score of ≥ 12
- Attended ≥ 2 supervised PMT for ABL
- Intolerance, unwillingness, or inadequate response to constipating medications
- Current negative colon cancer screening based on the USPSTF's recommendation for colorectal cancer screening (2016)
Exclusion Criteria:
- Previous PTNS treatment
- History of uncontrolled diarrhea in the past 3 months (usual or most common stool type over the preceding 3 months of 7 on the Bristol Stool Form Scale)
- History of severe constipation in the past 3 months (usual or most common stool type over the preceding 3 months of 1 on the Bristol Stool Form Scale)
- History of inflammatory bowel disease (includes Crohn's disease and ulcerative colitis, but does not include irritable bowel disease)
- Unrepaired rectovaginal fistula/chronic 4th degree laceration
- Full thickness rectal prolapse
- History of congenital anorectal malformation
- History of bowel resection surgery for any indication
- Minor anal procedures within 6 months for treatment of ABL (injection of bulking agent or radiofrequency energy) or ligation of hemorrhoids
- Prior pelvic or abdominal radiation
- Diagnosis of cancer of the descending colon or anus
- Diagnosis of cancer in the region where the PTNS or sham needles or surface electrodes would be placed
- Pacemaker, implantable defibrillator
- Current use of Interstim sacral nerve stimulator or TENS in the pelvic region, back, or legs
- Clinically significant neurological disorders known to affect anal continence
- Coagulopathy
- Severe peripheral edema preventing accurate placement of PTNS needles
- Chronic swollen, infected, inflamed skin or skin eruptions (e.g., phlebitis, thrombophlebitis, varicose veins) in the region where the PTNS or sham needles or surface electrodes would be placed
- Metal implant in foot/toes near TENS electrode location
- Marked sensory deficit (numbness) of feet or ankles in the region where the PTNS or sham needles or surface electrodes would be placed
- Childbirth within the last 3 months
- Pregnant or planning to become pregnant during the study duration 1 year; a urine pregnancy test will be performed and must be negative by the first intervention visit if the participant is of childbearing potential
- Unwilling to use acceptable form of contraceptive if the participant is of childbearing potential
- Participation in another intervention trial impacting bowel function
- Inability to provide informed consent, complete questionnaires independently, or to attend intervention sessions
- Unable or unwilling to complete the bowel diary in Run-In Phase (valid diary defined as data from ≥ 10 of 14 days with minimum of 3 consecutive days per week)
- Unwilling to download bowel diary app onto smartphone if the participant owns a smartphone
- Visual impairment prohibiting reading the paper diary, the smart phone screen
- Unable to speak, read, or write in English or Spanish at a basic level
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: SINGLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: Percutaneous Tibial Nerve Stimulation (PTNS)
PTNS treatment entails insertion of a 36 gauge needle electrode at a 60 degree angle 3-4 cm deep towards the tibial nerve, approximately 5 cm or 3 finger breadths cephalad to the medial malleolus and posterior to the tibia.
The PTNS grounding electrode, placed near the calcaneus and the needle electrode will be connected to the ES-130 device pulse generator.
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The ES-130 device will be used for the indication of "Posterior Tibial Nerve Stimulation for the treatment of fecal incontinence" using the FDA-approved protocol for treatment of urge urinary incontinence (UUI) in the PFDN NOTABLe study.
There is no PTNS device cleared by the FDA for the indication of FI treatment; therefore, this is considered an investigational device.
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SHAM_COMPARATOR: Validated Sham
Sham treatment will use the Streitberger acupuncture placebo needle in the same location as the needle electrode for PTNS.
The sham uses an active gel surface electrode pad placed on the bottom of the foot just below the fifth (smallest) toe.
This location is not part of the acupuncture nerve pathway connected to the bladder, pelvis or any major organs.
Electrical current is delivered to this pad via a TENS unit resulting in sensory stimulation.
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The ES-130 device will be used for the indication of "Posterior Tibial Nerve Stimulation for the treatment of fecal incontinence" using the FDA-approved protocol for treatment of urge urinary incontinence (UUI) in the PFDN NOTABLe study.
There is no PTNS device cleared by the FDA for the indication of FI treatment; therefore, this is considered an investigational device.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change From Baseline St. Mark's (Vaizey) Score
Time Frame: 4, 8, and 12 Weeks
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The primary outcome measure is the change from baseline in St. Mark's (Vaizey) Score 12 weeks after treatment initiation to compare the outcomes of post-tibial nerve stimulation (PTNS) versus sham stimulation.
The St. Mark's (Vaizey) score, published in 1999, is commonly used in clinical studies and reports and was based on the Jorge-Wexner score but added two further items for assessment: the use of constipating medication and the presence of fecal urgency.
Minimum score is 0 = perfect continence; maximum score is 24 = totally incontinent.
Change from baseline is calculated as Week [4, 8, or 12] Score minus the score at baseline.
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4, 8, and 12 Weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Responder to Treatment
Time Frame: 4, 8, and 12 Weeks
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Responder status is based on the primary chnage from St. Mark's Score.
A responder is defined as any particpant with at least a 4 point reduction in score compared to their baseline score
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4, 8, and 12 Weeks
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Change From Baseline Number of Fecal Incontinence Events Per Week
Time Frame: 8 and 12 Weeks
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Based on data collected from participant-completed diaries at baseline, 8, and 12 weeks, the outcome variable is computed as the difference in number of fecal incontinence episodes per week at 8 and 12 weeks and the number of fecal incontinence episodes at baseline.
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8 and 12 Weeks
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Change From Baseline Number of Urge Fecal Incontinence Events Per Week
Time Frame: 8 and 12 Weeks
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Based on data collected from participant-completed diaries at baseline, 8, and 12 weeks, the outcome variable is computed as the difference in number of urge fecal incontinence episodes per week at 8 and 12 weeks and the number of urge fecal incontinence episodes at baseline.
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8 and 12 Weeks
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Change From Baseline Number of Bowel Movements Per Week
Time Frame: 8 and 12 Weeks
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Based on data collected from participant-completed diaries at baseline, 8, and 12 weeks, the outcome variable is computed as the difference in number of bowel movements per week at 8 and 12 weeks and the number of bowel movements at baseline.
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8 and 12 Weeks
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Change From Baseline Number of Urge Bowel Movements Per Week
Time Frame: 8 and 12 Weeks
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Based on data collected from participant-completed diaries at baseline, 8, and 12 weeks, the outcome variable is computed as the difference in number of urge bowel movements per week at 8 and 12 weeks and the number of urge bowel movements at baseline.
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8 and 12 Weeks
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Change From Baseline Number of Days Without Fecal Incontinence Episodes Per Week
Time Frame: 8 and 12 Weeks
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Based on data collected from participant-completed diaries at baseline, 8, and 12 weeks, the outcome variable is computed as the difference in number of days without fecal incontinence episodes per week at 8 and 12 weeks and the number of days without fecal incontinence episodes at baseline.
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8 and 12 Weeks
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50% Improvement in Fecal Incontinence Episodes Per Week
Time Frame: 8 and 12 Weeks
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Based on data collected from participant-completed diaries at baseline, 8, and 12 weeks, the outcome is calculated as any participant with a 50% reduction in fecal incontinence episodes per week at 8 and 12 weeks compared to the fecal incontinence episodes at baseline
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8 and 12 Weeks
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75% Improvement in Fecal Incontinence Episodes Per Week
Time Frame: 8 and 12 Weeks
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Based on data collected from participant-completed diaries at baseline, 8, and 12 weeks, the outcome is calculated as any participant with a 75% reduction in fecal incontinence episodes per week at 8, and 12 weeks compared to the fecal incontinence episodes at baseline.
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8 and 12 Weeks
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Patient Global Impression-Improvement
Time Frame: 4, 8, and 12 Weeks
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The Patient Global Impression of Improvement (PGI-I) is a patient-reported measure of perceived improvement with treatment, as assessed on a scale of 1 (very much better) to 7 (very much worse).
Included here are participants who had improvement as indicated by a rating of 1 (very much better) or 2 (much better)
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4, 8, and 12 Weeks
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change From Baseline ABLe Liquid Score
Time Frame: 8 and 12 Weeks
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The ABLE Liquid Score is a subscale of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the impact and severity of the leakage of liquid stool.
Minimum score is 0 = no problem with liquid stool leakage; maximum score is 4 = frequent, bothersome leakage of large amounts of liquid stool.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline ABLe Solid Score
Time Frame: 8 and 12 Weeks
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The ABLE Solid Score is a subscale of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the impact and severity of the leakage of solid stool.
Minimum score is 0 = no problem with solid stool leakage; maximum score is 4 = frequent, bothersome leakage of large amounts of solid stool.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline ABLe Mucus Score
Time Frame: 8 and 12 Weeks
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The ABLE Mucus Score is a subscale of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the impact and severity of the leakage of mucus from the rectum.
Minimum score is 0 = no problem with mucus leakage from the rectum; maximum score is 4 = frequent, bothersome leakage of large amounts of mucus from the rectum.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline ABLe Gas Score
Time Frame: 8 and 12 Weeks
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The ABLE Gas Score is a subscale of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the impact and severity of the leakage of gas from the rectum.
Minimum score is 0 = no problem with gas leakage from the rectum; maximum score is 4 = frequent and bothersome leakage of gas from the rectum.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline ABLe Predictability/Awareness Score
Time Frame: 8 and 12 Weeks
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The ABLE Predictability/Awareness Score is a subscale of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the predictability of bowel leakage events.
Minimum score is 0 = no problems with leakage; maximum score is 4 = leakage without awareness or predictability.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline ABLe Control Score
Time Frame: 8 and 12 Weeks
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The ABLE Control Score is a subscale of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the ability to control bowel movements.
Minimum score is 0 = no problems with urgency to empty bowels wthout warning; maximum score is 4 = frequent and bothersome urgency to empty bowels wthout warning.
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8 and 12 Weeks
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Change From Baseline ABLe Ancillary Bowel Symptoms Score
Time Frame: 8 and 12 Weeks
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The ABLE Ancillary Bowel Symptoms Score is a subscale of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the frequency and impact of ancially bowel symptoms.
Minimum score is 0 = no problems with pain or incomplete emptying; maximum score is 4 = frequent and bothersome pain or incomplete emptying.
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8 and 12 Weeks
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Change From Baseline ABLe Overall Score
Time Frame: 8 and 12 Weeks
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The ABLE Overall Score is the summary score of the validated Accidental Bowel Leakage Evaluation (ABLE) questionnaire which assesses the frequency and impact of accidental bowel leakage and related symptoms.
Minimum score is 0 = no problems with bowel leakage and related symptoms; maximum score is 4 = frequent and bothersome problems with bowel leakage and related symptoms.
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8 and 12 Weeks
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Patient Global Symptom Control
Time Frame: Baseline and 4, 8, and 12 Weeks
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The Patient Global Symptom Control (PGSC) is a patient-reported measure of perceived agreement that symptoms are under control, as assessed on a scale of 1 (Disagree Strongly) to 5 (Agree Strongly).
Included here are participants who had reported disagreements as indicated by a rating of 1 (Disagree Strongly) or 2 (Disagree)
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Baseline and 4, 8, and 12 Weeks
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Change From Baseline FIQL Lifestyle Score
Time Frame: 8 and 12 Weeks
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The FIQL Lifestyle Score is a subscale of the validated Fecal Incontinence Quality of Life (FIQL) questionnaire which assesses the impact of accidental bowel leakage on quality of life.
Minimum score is 1 = lower functional quality of life; maximum score is 5 = higher functional quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline FIQL Coping Score
Time Frame: 8 and 12 Weeks
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The FIQL Coping Score is a subscale of the validated Fecal Incontinence Quality of Life (FIQL) questionnaire which assesses the impact of accidental bowel leakage on quality of life.
Minimum score is 1 = lower functional quality of life; maximum score is 5 = higher functional quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline FIQL Depression Score
Time Frame: 8 and 12 Weeks
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The FIQL Depression Score is a subscale of the validated Fecal Incontinence Quality of Life (FIQL) questionnaire which assesses the impact of accidental bowel leakage on quality of life.
Minimum score is 1 = lower functional quality of life; maximum score is 5 = higher functional quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline FIQL Embarrassment Score
Time Frame: 8 and 12 Weeks
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The FIQL Embarrassment Score is a subscale of the validated Fecal Incontinence Quality of Life (FIQL) questionnaire which assesses the impact of accidental bowel leakage on quality of life.
Minimum score is 1 = lower functional quality of life; maximum score is 5 = higher functional quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline FISI Patient Score
Time Frame: 8 and 12 Weeks
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The FISI Patient Score is a summary score of the validated Fecal Incontinence Severity Index questionnaire which provides a summary metric of the severity of fecal incontinence from the patient's perspective.
Minimum score is 0 = no fecal incontinence; maximum score is 61 = very severe fecal incontinence.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline FISI Doctor Score
Time Frame: 8 and 12 Weeks
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The FISI Doctor Score is a summary score of the validated Fecal Incontinence Severity Index questionnaire which provides a summary metric of the severity of fecal incontinence from the doctor's perspective.
Minimum score is 0 = no fecal incontinence; maximum score is 57 = very severe fecal incontinence.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Incontinence Impact Score
Time Frame: 8 and 12 Weeks
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The MMHQ Incontinence Impact Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Role Limitations Score
Time Frame: 8 and 12 Weeks
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The MMHQ Role Limitations Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Physical Limitations Score
Time Frame: 8 and 12 Weeks
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The MMHQ Physical Limitations Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Social Limitations Score
Time Frame: 8 and 12 Weeks
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The MMHQ Social Limitations Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Personal Relationship Score
Time Frame: 8 and 12 Weeks
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The MMHQ Personal Relationship Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Emotional Function Score
Time Frame: 8 and 12 Weeks
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The MMHQ Emotional Function Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Sleep/Energy Score
Time Frame: 8 and 12 Weeks
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The MMHQ Sleep/Energy Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline MMHQ Severity Measures Score
Time Frame: 8 and 12 Weeks
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The MMHQ Severity Measures Score is a subscale of the validated Modified-Manchester Health questionnaire (MMHq) which provides a health-related quality of life rating.
Minimum score is 0 = high quality of life; maximum score is 100 = low quality of life.
Change from baseline is calculated as Week [8 or 12] Score minus the score at baseline.
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8 and 12 Weeks
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Change From Baseline CRAIQ Score
Time Frame: 8 and 12 Weeks
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The Pelvic Floor Impact Questionnaire short form (PFIQ-7) measuring the impact of bladder, bowel, and vaginal symptoms on a woman's daily activities, relationships and emotions is composed of 3 scales of 7 questions each: the Urinary Impact Questionnaire (UIQ; range 0-100), the Pelvic Organ Prolapse Impact Questionnaire (POPIQ; range 0-100), and the Colorectal-Anal Impact Questionnaire (CRAIQ; range 0-100).
Scores are calculated by multiplying the mean value of all answered questions for a scale by 100 divided by 3. The range of responses is: 0-100 with 0 (least negative impact) to 100 (most negative impact).
Change = (Week [8, 12] Score - Baseline Score).
Lower scores indicate better function / fewer symptoms.
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8 and 12 Weeks
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Change From Baseline POPIQ Score
Time Frame: 8 and 12 Weeks
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The Pelvic Floor Impact Questionnaire short form (PFIQ-7) measuring the impact of bladder, bowel, and vaginal symptoms on a woman's daily activities, relationships and emotions is composed of 3 scales of 7 questions each: the Urinary Impact Questionnaire (UIQ; range 0-100), the Pelvic Organ Prolapse Impact Questionnaire (POPIQ; range 0-100), and the Colorectal-Anal Impact Questionnaire (CRAIQ; range 0-100).
Scores are calculated by multiplying the mean value of all answered questions for a scale by 100 divided by 3. The range of responses is: 0-100 with 0 (least negative impact) to 100 (most negative impact).
Change = (Week [8, 12] Score - Baseline Score).
Lower scores indicate better function / fewer symptoms.
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8 and 12 Weeks
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Change From Baseline UIQ Score
Time Frame: 8 and 12 Weeks
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The Pelvic Floor Impact Questionnaire short form (PFIQ-7) measuring the impact of bladder, bowel, and vaginal symptoms on a woman's daily activities, relationships and emotions is composed of 3 scales of 7 questions each: the Urinary Impact Questionnaire (UIQ; range 0-100), the Pelvic Organ Prolapse Impact Questionnaire (POPIQ; range 0-100), and the Colorectal-Anal Impact Questionnaire (CRAIQ; range 0-100).
Scores are calculated by multiplying the mean value of all answered questions for a scale by 100 divided by 3. The range of responses is: 0-100 with 0 (least negative impact) to 100 (most negative impact).
Change = (Week [8, 12] Score - Baseline Score).
Lower scores indicate better function / fewer symptoms.
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8 and 12 Weeks
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Change From Baseline PFIQ Score
Time Frame: 8 and 12 Weeks
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The Pelvic Floor Impact Questionnaire short form (PFIQ-7) measuring the impact of bladder, bowel, and vaginal symptoms on a woman's daily activities, relationships and emotions is composed of 3 scales of 7 questions each: the Urinary Impact Questionnaire (UIQ; range 0-100), the Pelvic Organ Prolapse Impact Questionnaire (POPIQ; range 0-100), and the Colorectal-Anal Impact Questionnaire (CRAIQ; range 0-100).
Scores are calculated by multiplying the mean value of all answered questions for a scale by 100 divided by 3. The range of responses is: 0-100 with 0 (least negative impact) to 100 (most negative impact).
Change = (Week [8, 12] Score - Baseline Score).
Lower scores indicate better function / fewer symptoms.
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8 and 12 Weeks
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Change From Baseline PAC-SYM Abdominal Score
Time Frame: 12 Weeks
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The Patient Assessment of Constipation - Symptom (PAC-SYM) ia a validated form measuring the frequency and severity of chronic constipation.
It consists of an overall score (range: 0-4) consisting of 3 subscales across 12 question: the Abdominal score (range 0-4), the Rectal Score (range 0-4), and the Stool Score (range 0-4).
Scores are calculated as the mean of non-mising responses.
The range of responses is: 0-4 with 0 (Absent) to 4 (Very sever).
Change = (Week 12 Score - Baseline Score).
Lower scores indicate less severe constipation.
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12 Weeks
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Change From Baseline PAC-SYM Rectal Score
Time Frame: 12 Weeks
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The Patient Assessment of Constipation - Symptom (PAC-SYM) ia a validated form measuring the frequency and severity of chronic constipation.
It consists of an overall score (range: 0-4) consisting of 3 subscales across 12 question: the Abdominal score (range 0-4), the Rectal Score (range 0-4), and the Stool Score (range 0-4).
Scores are calculated as the mean of non-mising responses.
The range of responses is: 0-4 with 0 (Absent) to 4 (Very sever).
Change = (Week 12 Score - Baseline Score).
Lower scores indicate less severe constipation.
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12 Weeks
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Change From Baseline PAC-SYM Stool Score
Time Frame: 12 Weeks
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The Patient Assessment of Constipation - Symptom (PAC-SYM) ia a validated form measuring the frequency and severity of chronic constipation.
It consists of an overall score (range: 0-4) consisting of 3 subscales across 12 question: the Abdominal score (range 0-4), the Rectal Score (range 0-4), and the Stool Score (range 0-4).
Scores are calculated as the mean of non-mising responses.
The range of responses is: 0-4 with 0 (Absent) to 4 (Very sever).
Change = (Week 12 Score - Baseline Score).
Lower scores indicate less severe constipation.
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12 Weeks
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Change From Baseline PAC-SYM Total Score
Time Frame: 12 Weeks
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The Patient Assessment of Constipation - Symptom (PAC-SYM) is a validated form measuring the frequency and severity of chronic constipation.
It consists of an overall score (range: 0-4) consisting of 3 subscales across 12 question: the Abdominal score (range 0-4), the Rectal Score (range 0-4), and the Stool Score (range 0-4).
Scores are calculated as the mean of non-missing responses.
The range of responses is: 0-4 with 0 (Absent) to 4 (Very severe).
Change = (Week 12 Score - Baseline Score).
Lower scores indicate less severe constipation.
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12 Weeks
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Change From Baseline PISQ-IR NSA-PR Score
Time Frame: 12 Weeks
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The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Not Sexually Active-Partner Related (NSA-PR) ranges from 1 to 4 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
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12 Weeks
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Change From Baseline PISQ-IR NSA-CS Score
Time Frame: 12 Weeks
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The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Not Sexually Active-Condition Specific (NSA-CS) ranges from 1 to 4 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
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12 Weeks
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Change From Baseline PISQ-IR NSA-GQA Score
Time Frame: 12 Weeks
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The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Not Sexually Active-Global Quality Rating (NSA-GQA) ranges from 1 to 4.5 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
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12 Weeks
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Change From Baseline PISQ-IR NSA-CI Score
Time Frame: 12 Weeks
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The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Not Sexually Active-Condition Impact (NSA-CI) ranges from 1 to 4 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
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12 Weeks
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Change From Baseline PISQ-IR SA-AO Score
Time Frame: 12 Weeks
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The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Sexually Active-Arousal Orgasm (SA-AO) ranges from 1 to 5 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
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12 Weeks
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Change From Baseline PISQ-IR SA-PR Score
Time Frame: 12 Weeks
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The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Sexually Active-Partner Related (SA-PR) ranges from 1 to 4 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline PISQ-IR SA-CS Score
Time Frame: 12 Weeks
|
The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Sexually Active-Condition Specific (SA-CS) ranges from 1 to 5 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline PISQ-IR SA-GQR Score
Time Frame: 12 Weeks
|
The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Sexually Active-Global Quality Rating (SA-GQR) ranges from 1 to 4.75 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline PISQ-IR SA-CI Score
Time Frame: 12 Weeks
|
The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Sexually Active-Condition Impact (SA-CI) ranges from 1 to 4 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline PISQ-IR SA-D Score
Time Frame: 12 Weeks
|
The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Sexually Active-Desire (SA-D) ranges from 1 to 5 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline PISQ-IR SA-AVG Score
Time Frame: 12 Weeks
|
The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-revised measures the impact of incontinence symptoms on sexual function and satisfaction.
The Sexually Active-Average (SA-AVG) ranges from 1 to 5 with higher scores indicating greater sexual function.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline FIAI Hygiene Index Score
Time Frame: 12 Weeks
|
The Fecal Incontinence Adaptation Index (FIAI) is a validated form which measures the adaptation behavios resulting from fecal incontinence.
It consists of two subscales: Hygiene (range: 0-100) and Avoidance (range: 0-100).
Scores are cal calculated as the average of the non-missing responses multiplied by 25.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline FIAI Avoidance Index Score
Time Frame: 12 Weeks
|
The Fecal Incontinence Adaptation Index (FIAI) is a validated form which measures the adaptation behavios resulting from fecal incontinence.
It consists of two subscales: Hygiene (range: 0-100) and Avoidance (range: 0-100).
Scores are cal calculated as the average of the non-missing responses multiplied by 25.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline SF-12 Aggregate Physical Score
Time Frame: 12 Weeks
|
The 12-Item Short-Form Health Survey (SF-12) is a validated survey which assesses overall physical and mental health.
The Aggregate Physical Score ranges from 24 to 56.6 with higher scores indicating greater physical health.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline.
|
12 Weeks
|
Change From Baseline SF-12 Aggregate Mental Score
Time Frame: 12 Weeks
|
The 12-Item Short-Form Health Survey (SF-12) is a validated survey which assesses overall physical and mental health.
The Aggregate Mental Score ranges from 19.06 to 60.86 with higher scores indicating greater mental health.
The outcome is calculated as the difference in score at 12 weeks and the score at baseline
|
12 Weeks
|
Collaborators and Investigators
Collaborators
Investigators
- Study Chair: Halina M Zyczynski, MD, Magee-Women's Hospital, Department of Obstetrics and Gynecology
Publications and helpful links
General Publications
- Zyczynski HM, Richter HE, Sung VW, Lukacz ES, Arya LA, Rahn DD, Visco AG, Mazloomdoost D, Carper B, Gantz MG; NICHD Pelvic Floor Disorders Network. Percutaneous Tibial Nerve Stimulation vs Sham Stimulation for Fecal Incontinence in Women: NeurOmodulaTion for Accidental Bowel Leakage Randomized Clinical Trial. Am J Gastroenterol. 2022 Apr 1;117(4):654-667. doi: 10.14309/ajg.0000000000001605.
- Zyczynski HM, Arya LA, Lukacz ES, Richter HE, Rahn DD, Sung VW, Visco AG, Shaffer A, Jelovsek JE, Rogers R, Mazloomdoost D, Gantz MG; Eunice Kennedy Shriver NICHD Pelvic Floor Disorders Network (PFDN). Design of a Randomized Controlled Trial of Percutaneous Posterior Tibial Nerve Stimulation for the Treatment of Refractory Fecal Incontinence in Women: The NeurOmodulaTion for Accidental Bowel Leakage Study. Female Pelvic Med Reconstr Surg. 2021 Dec 1;27(12):726-734. doi: 10.1097/SPV.0000000000001050.
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 12865-29
- 2U24HD069031-06 (NIH)
- 2UG1HD069013-06 (NIH)
- 5UG1HD041267-18 (NIH)
- 5UG1HD069010-07 (NIH)
- 5UG1HD069006-07 (NIH)
- 5UG1HD041261-17 (NIH)
- 5UG1HD054214-12 (NIH)
- 5UG1HD054241-12 (NIH)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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