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Bowel dysfunction is consistently rated as one of the most common complications affecting daily life for individuals with spinal cord injury. The overall objective of this study is to investigate whether the use of specific spinal cord epidural stimulation will affect bowel function. This study will also examine how alterations in bowel function influence quality of life outcomes. The results of this study may aid in the development of treatments to help individuals with spinal cord injuries that have impaired bowel function.
Participants in this study must be enrolled in the TS - EPI study (IRB# 16.0179) which provides the spinal cord epidural implant and training interventions. You will receive two sets of interventions, each one lasting 80 sessions for a total of 160 sessions. Assessments for bowel function and quality of life will be performed as part of this study and are conducted at baseline/pre-training, post-Intervention 1, post-Intervention 2, and at the 6-month and 12-month follow-ups. Your participation in this study will last up to 24 months.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Epidural stimulation for blood pressure without stand | Experimental | To assess whether epidural stimulation, used for regulating blood pressure without standing, is neuromodulatory for bowel motility after motor complete SCI |
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| Epidural stimulation for blood pressure with stand | Experimental | To assess whether epidural stimulation, used for regulating blood pressure with standing, is neuromodulatory for bowel motility after motor complete SCI |
|
| Epidural stimulation for trunk and core without stand | Experimental | To assess whether epidural stimulation, used for activating the trunk and core musculature without standing, is neuromodulatory for bowel evacuation after motor complete SCI |
|
| Epidural stimulation for trunk and core with stand | Experimental | To assess whether epidural stimulation, used for activating the trunk and core musculature with standing, is neuromodulatory for bowel evacuation after motor complete SCI |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Stimulation for blood pressure without stand | Device | Consists of 80 daily training sessions using epidural stimulation optimized for blood pressure for up to 6 hours of stimulation a day. |
| Measure | Description | Time Frame |
|---|---|---|
| Wireless Motility Capsule | Use of the FDA approved SmartPill and device to record information about motility. | Change from Baseline after 4 months, 8 months, 14 months, 20 months. |
| Ambulatory blood pressure and heart rate monitoring | Blood pressure will be recorded over a 24-hour period of time outside the lab using a flexible finger cuff on your non-dominant hand. | Change from Baseline after 4 months, 8 months, 14 months, 20 months. |
| Anorectal Manometry (ARM) | While lying on your side, while a small, flexible tube, about the size of a thermometer, with a balloon at the end will be inserted into the rectum. The catheter is connected to equipment that measures pressure. A small balloon attached to the catheter may be inflated in the rectum to assess muscle responses. You will be asked to relax, squeeze, and push at various times. The anal sphincter muscle pressures are measured during each of these muscle contraction/relaxation actions. Surface patch EMG electrodes will be placed near the buttocks to evaluate muscle activity of the anal sphincter. | Change from Baseline after 4 months, 8 months, 14 months, 20 months. |
| Bowel Diary | Keep a log of various aspects of your bowel program, including how often and how long it takes you to complete your program. | Change from Baseline after 4 months, 8 months, 14 months, 20 months. |
| International spinal cord injury bowel function basic data set (Version 2.0) | Complete a short questionnaire about your bowel management. 16 items: date of data collection, gastrointestinal and anal sphincter dysfunction unrelated to SCI, surgical procedures on the gastrointestinal tract, defecation method and bowel-care procedures, average time required for defecation, frequency of defecation, uneasiness, headache or perspiration during defecation, digital stimulation or evacuation of the anorectum, frequency of fecal incontinence, flatus incontinence, need to wear pad or plug, oral laxatives and prokinetics, anti-diarrheal agents, perianal problems, abdominal pain and discomfort and the neurogenic bowel dysfunction score are computed by adding the points given in parenthesis after each relevant variable in the data-set. Total score range is from (0-45). Total neurogenic bowel score (optional): 0-6 Very minor, 7-9 Minor, 10-13 Moderate, 14 or more, Severe neurogenic bowel dysfunction. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Susan Harkema, PhD | Contact | 502-581-8747 | susan.harkema@louisville.edu | |
| Lee Ann Zeller-Noe | Contact | 502-581-8747 | lee.zellernoe@louisville.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Frazier Rehab Institute | Recruiting | Louisville | Kentucky | 40202 | United States |
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| Stimulation for blood pressure with stand | Device | Consists of 80 daily sessions similar to the 1st intervention (without stand) plus 2 hours of epidural stimulation optimized for stand training. |
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| Stimulation for trunk and core without stand | Device | Consists of 80 daily training sessions using epidural stimulation optimized for trunk/core/voluntary function for up to 6 hours of stimulation a day. |
|
| Stimulation for trunk or core with stand | Device | Consists of 80 daily sessions similar to the 1st intervention (without stand) plus 2 hours of epidural stimulation optimized for stand training. |
|
| Change from Baseline after 4 months, 8 months, 14 months, 20 months. |
| Quality of Life Questionnaire measured with the Spinal Cord Injury - Quality of Life (SCI-QOL) items relevant to bowel management. | Complete a series of short questionnaires about your quality of life. SCI-QOL measurements scores range from (0-100). It includes 19 calibrated items banks and 3 fixed length scales spanning the broad domains of physical-medical health, emotional health, social participation and physical functioning. | Change from Baseline after 4 months, 8 months, 14 months, 20 months. |
| Interviews | Interviews about your perspective on changes in bowel management and recovery throughout the study, conducted by a qualitative researcher. | Change from Baseline after 4 months, 8 months, 14 months, 20 months. |
| University of Louisville | Recruiting | Louisville | Kentucky | 40202 | United States |
|
| ID | Term |
|---|---|
| D055496 | Neurogenic Bowel |
| D013119 | Spinal Cord Injuries |
| ID | Term |
|---|---|
| D003109 | Colonic Diseases, Functional |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
| D013118 | Spinal Cord Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D020196 | Trauma, Nervous System |
| D014947 | Wounds and Injuries |
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| ID | Term |
|---|---|
| D001794 | Blood Pressure |
| ID | Term |
|---|---|
| D055986 | Vital Signs |
| D010808 | Physical Examination |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
| D006439 | Hemodynamics |
| D002320 | Cardiovascular Physiological Phenomena |
| D002943 | Circulatory and Respiratory Physiological Phenomena |
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