Pilot Study to Examine the Feasibility of the Dynamic Interferential Spinal Cord Stimulation System™ (DISCSS™)

April 4, 2024 updated by: Meagan Medical

Pilot Study to Examine the Feasibility of the DISCSS™

This study evaluates use of DISCSS vis SCS. Thirty (30) patients with back pain greater than leg pain who were candidates for Spinal Cord Stimulation (SCS) and have successfully completed a percutaneous trial with a commercially available SCS system will be trialed with a 3-4 day exposure to the investigational DISCSS™ device. The trial will be conducted at 3-5 U.S. centers. The percutaneous trial leads from the commercial system will be connected to the External Pulse Generator of the DISCSS™ Trial System and the patients will be trialed for an additional three-four days.

Study Overview

Status

Status

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

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

This investigation will be performed as a prospective, multicenter, open-label feasibility study. Thirty (30) patients with back pain greater than leg pain who were candidates for Spinal Cord Stimulation (SCS) and have successfully completed a percutaneous trial with a commercially available SCS system will be trialed with a 3-4 day exposure to the investigational DISCSS™ device. The trial will be conducted at 3-5 U.S. centers. The percutaneous trial leads from the commercial system will be connected to the External Pulse Generator of the DISCSS™ Trial System and the patients will be trialed for an additional three to four days. The investigational product for this feasibility trial will be the DISCSS™ system, not the commercially available trial SCS system. Exposure to the commercially available trial SCS system will be considered background therapy. The purpose of the background therapy phase is to establish baseline pain levels and determine patients' eligibility to continue to the investigational phase of the trial using the DISCSS™ SCS phase of the trial. Pain assessment and complications data from the commercial spinal stimulation system will be collected during the background therapy phase. The pain and complications data from the background therapy phase will not be analyzed in terms of the study endpoints.

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 (Actual)

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.
18

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 Locations

  • United States
    • Florida
      • Ocala, Florida, United States, 34471
        • Pain Treatment Centers
      • Sarasota, Florida, United States, 34238
        • Sarasota Memorial Pain Care Center
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • The Brigham and Women's Hospital
    • Mississippi
      • Pascagoula, Mississippi, United States, 39581
        • Neuromodulation Specialists, LLC
    • Texas
      • Tyler, Texas, United States, 75701
        • Precision Spine Care

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

21 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Age greater than 21 years and less than 80 years
  2. Has a diagnosis of chronic neuropathic pain of trunk and limbs
  3. Is eligible for and participating in a spinal cord stimulation trial of a commercially available SCS trial system. Subjects will be evaluated at the end of the background Commercial SCS Device phase for complications and appropriateness to continue to the investigational phase with the DISCSS™ system. Complications from the background phase with the commercial SCS device may include, but are not limited to unusual pain or discomfort during the trial stimulation, local skin reactions or infection at the implant site.
  4. Has a Back Pain Score of minimum intensity 5.0 on a Numeric Rating Scale (NRS)
  5. Has an NRS Back Pain Score that is greater than both Leg Pain Scores
  6. Is not a candidate for revision surgery
  7. Has completed a minimum of 6 weeks of conservative therapy (physical therapy, anti-inflammatory medications, or similar therapies) with limited or no reduction in back pain
  8. Is willing to adhere to the warnings associated with the DISCSS™ system
  9. Is willing to halt and/or modify the use of all prescription and over-the-counter analgesics per the Investigator's direction during study participation
  10. Is capable of providing written informed consent
  11. Is able to comply with the requirements of study visits, follow-up phone visits and self-assessment questionnaires

Exclusion Criteria:

  1. Is a poor surgical candidate by determination of the Investigator
  2. Is unable to operate or understand the use of the commercial or investigational Spinal Cord Stimulator systems
  3. Has an active systemic infection
  4. Has exposure to shortwave, microwave or ultrasound diathermy at home or at work
  5. Has occupational exposure to high levels of non-ionizing radiation such as radio or cell phone transmission stations, facilities using radiofrequency heat sealers or induction heaters, or electric power infrastructure controlled environments
  6. Has an implanted cardiac system (e.g. pacemakers)
  7. Is currently participating in another clinical study
  8. Is currently pregnant or lactating, or not using adequate birth control
  9. Has any untreated major psychiatric comorbidity
  10. Has serious drug-related behavioral issues per Investigator's assessment
  11. Has a bleeding complication or coagulopathy
  12. Requires concurrent use of anticoagulant therapy such as heparin, warfarin, rivaroxaban, dabigatran, apixaban, edoxaban, enoxaparin, fondaparinux
  13. Is immunocompromised and at risk for infection
  14. Has insulin-dependent diabetes not controlled through diet and/or medication
  15. Has chronic pain related to malignancy
  16. Is otherwise determined, based on the opinion of the Investigator to be an unsuitable candidate for this study

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: DISCSS Device
This pilot feasibility study will explore and help determine optimal settings and configuration of the DISCSS™ System with patients that have completed a percutaneous trial with a commercially available SCS trial system within the first 3-5 days of the current study.
Device: DISCSS Device
This pilot feasibility study will explore and help determine optimal settings and configuration of the DISCSS™ System with patients that have completed a percutaneous trial with a commercially available SCS trial system within the first 3-5 days of the current study.

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
Change From Baseline (Day 1) to Visit 5 in Back Pain.
Time Frame: Baseline to visit 5
Change from baseline (day 1) to visit 5 (day 10-11) in patient-reported pain intensity, measured on a Numeric Rating Scale (NRS) ranging from 0 (no pain) to 10 (worst pain).
Baseline to visit 5

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Incidence of Adverse Events
Time Frame: Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
Incidence of adverse events arising from the DISCSS treatment phase
Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
Patient Satisfaction
Time Frame: Visit 5 (Day 10-11)
Patient-reported device efficacy and device stimulation sensation as captured on a study-specific, subject satisfaction Questionnaire.
Visit 5 (Day 10-11)

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.
Meagan Medical

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.
December 1, 2017

Primary Completion (Actual)

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.
February 3, 2020

Study Completion (Actual)

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.
February 3, 2020

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).
October 27, 2017

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.
November 8, 2017

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.
November 14, 2017

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.
April 8, 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.
April 4, 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.
April 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.
  • DISCSS 01

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

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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