Spinal Cord Stimulation for Chronic Abdominal Pain Patients

August 13, 2024 updated by: The Leeds Teaching Hospitals NHS Trust
Chronic abdominal pain is a common disorder that can have significant impact on the lives of patients. Treatment options include medication which can have limited effectiveness, be associated with side effects and may lead to tolerance and dependency. Spinal cord stimulation (SCS) is a minimally invasive, therapeutic option for managing chronic abdominal pain. This involves implanting a device that delivers mild electrical signals to the spinal cord to reduce pain. Conventional SCS has been shown to improve abdominal pain caused by different disorders, but it causes feelings of unpleasant tingling in the tummy area. This feasibility study aims to explore relief from chronic abdominal pain symptoms when using a device that does not cause uncomfortable tingling feelings in the tummy area.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Up to 20 patients with chronic abdominal pain will be recruited to participate in this study. They will attend an initial visit prior to having the device implanted and they will be asked to complete a number of questionnaires. Participants will then attend the hospital to have the device implanted and the treatment settings of the stimulation adjusted. Once the stimulation is started, participants will be continuously monitored for their well-being through a series of in-person visits at the pain clinic on a regular basis. These will happen at 1 week and 3, 6 and 12 months after having the device implanted.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
10

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Have been clinically diagnosed with CAP (from inguinal crease to T12 ribs), including diagnoses such as abdominal wall pain, chronic pancreatitis, gastroparesis, gastric dysmotility, irritable bowel syndrome, post-surgical or post-traumatic abdominal pain that is of visceral origin.
  2. Have been refractory to conservative therapy for a minimum of 3-months, including assessment of at least 2 different classes of medications and/or an anaesthetic block as clinically appropriate.
  3. Minimum baseline pain score of 5 on a VAS scale (0-10) for their visceral pain.
  4. Be 18 years of age or older at the time of enrolment.
  5. Be an appropriate candidate for the surgical procedures required in this study based on the clinical judgment of the implanting physician.
  6. Be willing and capable of giving informed consent.
  7. Be willing and able to comply with study-related requirements, procedures, and visits.

Exclusion Criteria:

  1. Female participants of childbearing potential who are pregnant/nursing or plan to become pregnant during the trial.
  2. Escalating or changing pain condition within the past month as evidenced by investigator examination.
  3. Sphlanchnectomy or radiofrequency treatment within the past 6-months.
  4. Currently has an active or had an active implantable device including pacemakers, SCS or intrathecal drug delivery system.
  5. In the investigators opinion has an active infection.
  6. Participated in another clinical investigation within 30-days.
  7. Medical co-morbidities that preclude surgical intervention.
  8. Participant is incapable of understanding or responding to the study questionnaires.
  9. Participant is incapable of understanding or operating the patient programmer handset.
  10. Participant is morbidly obese (BMI ≥ 40 kg/m2).
  11. Participant has had a spinal surgical procedure or has spinal pathology that would significantly impede lead implantation at the level planned for implantation.
  12. Participant has another persistent painful condition other than persistent refractory visceral pain secondary to chronic abdominal pain.
  13. History of alcohol abuse in the last year or IV drug abuse in the last 3-years.
  14. No increases of more than 40% from baseline amylase.
  15. Have a condition currently requiring or likely to require the use of diathermy.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Device Feasibility
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Main
All participants will undergo a single-stage SCS implantation procedure with 2 leads inserted in the posterior epidural space according to standard clinical practice. For ventral column stimulation SCS electrodes will be placed ventrally at T9/10 for upper abdominal pain and at T10/11 to T11/12 for lower abdominal pain.
Device: Main Group
Thoracolumbar spine AP, Thoracolumbar spine LAT

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
To evaluate the safety and feasibility of ECAP-controlled closed-loop SCS in treating patients with CAP.treating patients with CAP
Time Frame: 12 MONTHS

To evaluate the safety and feasibility of ECAP-controlled closed-loop SCS in treating patients with CAP.Visual Analogue Scale (VAS) in the last week.

• Incidence rates of study related adverse events will be collected and characterized.
12 MONTHS
• Changes in average pain intensity, in the primary region of pain on the Visual Analogue Scale (VAS) in the last week.
Time Frame: 12 MONTHS
• Changes in average pain intensity, in the primary region of pain on the Visual Analogue Scale (VAS) in the last week.
12 MONTHS
• Incidence rates of study related adverse events will be collected and characterized.
Time Frame: 12 MONTHS
• Incidence rates of study related adverse events will be collected and characterized.
12 MONTHS

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
The Leeds Teaching Hospitals NHS Trust

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Ganesan Baranidharan, MD, LTHT

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 18, 2024

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 4, 2025

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 4, 2025

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
July 30, 2024

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 30, 2024

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 1, 2024

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 15, 2024

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 13, 2024

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • PM23/157561

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

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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