Assessment of Effectiveness and Stimulation Coverage of Closed-loop Spinal Cord Stimulation (CL-SCS) Therapy in Patients with Cervical Lead Placement

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Total Enrollment

40 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-10-05

Study Completion Date

2025-12-31

Brief Summary

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This observational, prospective data collection is designed to evaluate the effectiveness and stimulation coverage of closed-loop spinal cord stimulation (CL-SCS) therapy in patients with cervical lead placement.

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Detailed Description

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Title Assessment of effectiveness and stimulation coverage of closed-loop spinal cord stimulation (CL-SCS) therapy in patients with cervical lead placement.

Device used in the study The Saluda Medical EvokeTM Closed-Loop Spinal Cord Stimulator (CL-SCS) System (Evoke System). The CE marked Evoke System will be used within its licensed use and manuals. The Evoke System measures and records spinal cord (SC) activation resulting from stimulation via evoked compound action potentials (ECAPs). The Evoke System can be programmed to provide ECAP-controlled, closed-loop SCS or open-loop, fixed-output (traditional) SCS; ECAPs may be measured and recorded in either stimulation mode.

Indication for use The Evoke SCS System is indicated as an aid in the management of chronic intractable pain of the trunk and/or limbs and will be used within its licensed indication during this study.

Rational This observational, prospective data collection is designed to evaluate the effectiveness and stimulation coverage of closed-loop spinal cord stimulation (CL-SCS) therapy in patients with cervical lead placement.

Study design An observational, prospective, multi-center, single-arm study. Study population Up to 40 subjects eligible for SCS trial and permanent implant with a minimum of pain intensity of 5/10 on NRS at baseline will be enrolled.

Objectives

* Evaluate stimulation coverage in pain area and other parts of the body, sensation (awareness and quality) and pain relief using a 0-10 numeric rating score (NRS) in patient implanted with one or two leads at cervical level receiving closed-loop spinal cord stimulator (CL-SCS) therapy.
* Assessment of holistic outcomes: measure quality of life in seven health domains (physical function, fatigue, pain interference, depressive symptoms, anxiety, ability to participate in social roles and activities, and sleep disturbance) assessed by the PROMIS-29 questionnaire.
* Evaluate medication intake, patient satisfaction and patient global impression of change (PGIC).
* Assessment of device data and programming parameters.
* Neurophysiological measurements: neuronal activation, conduction velocity and posture change assessment.

Inclusion criteria

* Subject is deemed a suitable candidate for SCS trail and permanent implant and has been routinely scheduled to undergo an SCS trial phase with the Evoke SCS System.
* Subject is ≥ 18 years old.
* Subject is not pregnant or nursing.
* Subject is willing and capable of giving informed consent. Exclusion criteria
* Subject currently has an active implantable device including pacemakers, spinal cord stimulator or intrathecal drug delivery system.
* Subject is incapable of understanding or responding to the study questionnaires.
* Subject is incapable of understanding or operating the patient programmer handset.

Burden and Risk

* There will be no additional burden associated with participation in the study. The data will be collected during the standard of care visits. Data collection required by the study protocol will add no additional time to standard clinical appointments, as the data will be downloaded from the clinical interface or entered directly into the database.
* The benefits of this study could enable improved treatment of chronic trunk and/or limb pain with the closed loop system and cervical lead placement.

Conditions

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Chronic Pain Syndrome Multi Focal Pain Failed Neck Surgery Syndrome Polyneuropathies

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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single arm

Up to 40 subjects eligible for SCS trial and permanent implant with a minimum of pain intensity of 5/10 on NRS at baseline will be enrolled.

cervical lead placement

Intervention Type DEVICE

implant of cervical lead neurostimulation, using saluda medical devices

Interventions

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cervical lead placement

implant of cervical lead neurostimulation, using saluda medical devices

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Subject is deemed a suitable candidate for SCS trail and permanent implant and has been routinely scheduled to undergo an SCS trial phase with the Evoke SCS System.
* Subject is ≥ 18 years old.
* Subject is not pregnant or nursing.
* Subject is willing and capable of giving informed consent.

Exclusion Criteria

* Subject currently has an active implantable device including pacemakers, spinal cord stimulator or intrathecal drug delivery system.
* Subject is incapable of understanding or responding to the study questionnaires.
* Subject is incapable of understanding or operating the patient programmer handset.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No