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The purpose of this study is to determine the safety, feasibility, and compliance of a daily home transcutaneous tibial nerve stimulation (tTNS) protocol in children with chronic neurogenic bladder (NB) provided by self or caregiver for 4 weeks and to estimate the efficacy of tTNS
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Stamobil electric stimulator | Experimental |
| |
| sham tTNS device | Sham Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Stamobil electric stimulator | Device | The electric stimulation protocol will use stimulation frequency of 20 Hz and pulse width of 200ms in continuous mode for 30 minutes daily. The goal is daily use of tTNS for 4 weeks , 5 days per week. |
| Measure | Description | Time Frame |
|---|---|---|
| Safety as assessed by the number of adverse events | from start of trial to end of trial (4 weeks after start) | |
| Feasibility as assessed by the satisfaction surveys | This is an 8 item questionnaire and each is scored from 1(strongly disagree) to 5(strongly agree) for a maximum score of 40, higher score indicating greater satisfaction . | end of study (4 weeks after baseline) |
| Compliance of tTNS usage as assessed by the percent of sessions where toe flexion was elicited | This will be reported in the TTNS log | from start of trial to end of trial (4 weeks after start) |
| Compliance of tTNS usage as assessed by the average current where toe flexion was elicited | This will be reported in the TTNS log | from start of trial to end of trial (4 weeks after start) |
| Compliance of tTNS usage as assessed by percentage of sessions that bladder medications were taken | This will be reported in the TTNS log | from start of trial to end of trial (4 weeks after start) |
| Satisfaction as assessed by the survey | This will measure the likelihood of tTNS preference over anticholinergic medication use This is an 8 item questionnaire and each is scored from 1(strongly disagree) to 5(strongly agree) for a maximum score of 40, higher score indicating greater satisfaction . | end of study (4 weeks after baseline) |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of participants that are able to reduce their overactive bladder (OAB) medications | end of study (4 weeks after baseline) | |
| percent dose reduction (mg ) achieved | end of study (4 weeks after baseline) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Argyrios Stampas, MD, MS | Contact | (713) 797-5007 | Argyrios.Stampas@uth.tmc.edu | |
| Jaqueline Martinez | Contact | 713-797-5765 | Jacqueline.B.Martinez@uth.tmc.edu |
| Name | Affiliation | Role |
|---|---|---|
| Argyrios Stampas, MD, MS | The University of Texas Health Science Center and Houston | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The University of Texas Health Science Center and Houston | Recruiting | Houston | Texas | 77030 | United States |
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| ID | Term |
|---|---|
| D013119 | Spinal Cord Injuries |
| ID | Term |
|---|---|
| D013118 | Spinal Cord Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D020196 | Trauma, Nervous System |
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| sham tTNS device | Device | The electric sham stimulation protocol will use sham stimulation (low intensity) for 30 minutes daily, for 4 weeks , 5 days per week |
|
| Change in maximum detrusor pressure (Max Pdet (cmH20)) as assessed by the Urodynamic study (UDS) | week 0, week 4 |
| Presence of Detrusor overactivity (DO) as assessed by the Urodynamic study (UDS) | week 0 |
| Presence of Detrusor overactivity (DO) as assessed by the Urodynamic study (UDS) | Week 4 |
| Change in maximum volume (mL) that bladder can hold before voiding or discomfort as assessed by the Urodynamic study (UDS) | Week 0, Week 4 |
| Presence of bladder leak as assessed by the Urodynamic study (UDS) | Week 0 |
| Presence of bladder leak as assessed by the Urodynamic study (UDS) | Week 4 |
| Change in bladder sensation as assessed by the Urodynamic study (UDS) | volume infused (mL) at 1) time of reported first sensation of filling, 2) time of reported urgency/desire to void, & 3) time of reported discomfort | Week 0, Week 4 |
| Change in detrusor compliance as assessed by the Urodynamic study (UDS) | reported as change in bladder volume divided by change in bladder pressure. | Week 0, Week 4 |
| Number of incontinence episodes as reported in the voiding diary | from start of trial to end of trial (4 weeks after start) |
| Frequency of catheterization as reported in the voiding diary | from start of trial to end of trial (4 weeks after start) |
| Volumes of catheterization as reported in the voiding diary | from start of trial to end of trial (4 weeks after start) |
| Change in bladder symptoms as assessed by the Neurogenic Bladder Symptom Score (NBSS) | This is a 24 item questionnaire that is scored from 0 (no symptoms) to 4 (worst symptoms), maximum score of 96 with higher values indicating greater symptom burden | Week 0, Week 4 |
| Change in bowel function as assessed by the Neurogenic Bowel Dysfunction Score (NBDS) | This is a 10 item questionnaire that is scored from 0 (very minor ) to greater than or equal to 14(severe), maximum score range of 0-47 with higher scores indicating worse outcome | Week 0, Week 4 |
| Change in general physical and mental health status as assessed by the Patient-Reported Outcomes Measurement Information System (PROMIS) questionnaire for Global Health | This is a 10 item questionnaire. The measure yields two standardized summary scores: Global Physical Health (GPH) and Global Mental Health (GMH).Each summary score is calculated based on 4 items from the questionnaire and is converted to a T-score using the PROMIS scoring manual. T-scores have a mean of 50 and standard deviation of 10, based on the U.S. general population. Higher T-scores indicate better health. | Week 0, Week 4 |
| D014947 | Wounds and Injuries |