NCT03284411

Brief Summary

This study characterized the effects of amplitude on subject satisfaction and pain relief in subjects being treated by SCS.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Nov 2017

Geographic Reach
1 country

10 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 31, 2017

Completed
15 days until next milestone

First Posted

Study publicly available on registry

September 15, 2017

Completed
2 months until next milestone

Study Start

First participant enrolled

November 1, 2017

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 15, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 15, 2019

Completed
1 year until next milestone

Results Posted

Study results publicly available

March 18, 2020

Completed
Last Updated

April 15, 2020

Status Verified

April 1, 2020

Enrollment Period

1.4 years

First QC Date

August 31, 2017

Results QC Date

March 3, 2020

Last Update Submit

April 6, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • SCS Therapy Satisfaction

    To characterize the effect of four different amplitude settings on baseline SCS therapy satisfaction. At each follow-up visit, the following question was asked to measure satisfaction: "Overall how satisfied or unsatisfied are you with this therapy?". The response choices were as follows: "very satisfied", "somewhat satisfied", "neutral", "somewhat unsatisfied", "very unsatisfied". Each subject was considered to have maintained their baseline SCS therapy satisfaction if they selected the response "very satisfied", "somewhat satisfied", or "neutral", otherwise they were considered dissatisfied with the therapy. The first visit in which each subject reported dissatisfaction of the therapy was recorded. The amplitude used during the prior visit was then considered to be the minimum amplitude that maintained each subject's therapy satisfaction. The frequency and percentage of subjects' that maintained baseline satisfaction were reported at each amplitude level.

    8 weeks

Secondary Outcomes (1)

  • Number of Participants Maintaining Baseline Pain as Measured on the Visual Analog Scale (VAS)

    8 weeks

Study Arms (1)

Spinal Cord Stimulation

EXPERIMENTAL

Each subject was programmed to 4 different amplitude settings: 80%, 60%, 40% and 20% of perception threshold amplitude

Device: Spinal Cord Stimulation

Interventions

Programming

Spinal Cord Stimulation

Eligibility Criteria

Age22 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years of age or older
  • Implanted with a RestoreSensor system (for back and leg pain) for at least 1 month
  • Has approproate SCS settings
  • Willing and able to provide signed and dated informed consent
  • Capable of comprehending and consenting in English
  • Capable of getting into the supine and sitting positions
  • Willing and able to comply with all study procedures and visits
  • On stable (no change in dose, route, or frequency) prescribed pain medications

You may not qualify if:

  • Implanted with leads for peripheral nerve stimulation or an implantable intrathecal drug delivery system
  • Had a pain-related surgery in the previous 1 month of enrollment or the intent to undergo surgery during the period of the study
  • Implanted with quadripolar lead
  • Currently enrolled or planning to enroll in a potentially confounding clinical study during the course of the study
  • Pregnant or is of child-bearing potential and unwilling to use a medically acceptable form of birth control during the study
  • Has untreated major psychiatric comorbidity
  • Has serious drug-related behavioral issues
  • Has unresolved major issues of secondary gain

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

Arizona Pain Doctors

Chandler, Arizona, 85224, United States

Location

Georgia Pain and Wellness Center

Lawrenceville, Georgia, 30046, United States

Location

Global Scientific Innovations

Evansville, Indiana, 47714, United States

Location

Goodman Campbell Brain and Spine

Indianapolis, Indiana, 46202, United States

Location

Kentuckiana Pain Specialists

Louisville, Kentucky, 40241, United States

Location

Drez One, LLC

Somerset, Kentucky, 42503, United States

Location

Regional Brain & Spine

Cape Girardeau, Missouri, 63701, United States

Location

Precision Spine Care

Tyler, Texas, 75701, United States

Location

Northwest Pain Care, Inc.

Spokane, Washington, 99201, United States

Location

University of Wisconsin

Madison, Wisconsin, 53792, United States

Location

MeSH Terms

Conditions

Back Pain

Interventions

Spinal Cord Stimulation

Condition Hierarchy (Ancestors)

PainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Electric Stimulation TherapyTherapeuticsPhysical Therapy ModalitiesRehabilitation

Results Point of Contact

Title
SCS Dosing Clinical Research Study Team
Organization
Medtronic

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 31, 2017

First Posted

September 15, 2017

Study Start

November 1, 2017

Primary Completion

March 15, 2019

Study Completion

March 15, 2019

Last Updated

April 15, 2020

Results First Posted

March 18, 2020

Record last verified: 2020-04

Data Sharing

IPD Sharing
Will not share

Locations