Trial Outcomes & Findings for Pilot Study to Examine the Feasibility of the Dynamic Interferential Spinal Cord Stimulation System™ (DISCSS™) (NCT NCT03341000)

NCT ID: NCT03341000

Last Updated: 2024-04-08

Results Overview

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).

Recruitment status

TERMINATED

Study phase

NA

Target enrollment

18 participants

Primary outcome timeframe

Baseline to visit 5

Results posted on

2024-04-08

Participant Flow

Participant milestones

Participant milestones
Measure
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 this study. 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 this study.
Overall Study
STARTED
18
Overall Study
COMPLETED
17
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
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 this study. 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 this study.
Overall Study
Adverse Event
1

Baseline Characteristics

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

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
DISCSS Device
n=18 Participants
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. 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.
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
13 Participants
n=99 Participants
Age, Categorical
>=65 years
5 Participants
n=99 Participants
Age, Continuous
56.9 years
STANDARD_DEVIATION 11.6 • n=99 Participants
Sex: Female, Male
Female
9 Participants
n=99 Participants
Sex: Female, Male
Male
9 Participants
n=99 Participants
Race/Ethnicity, Customized
Hispanic or Latino
1 Participants
n=99 Participants
Race/Ethnicity, Customized
Not Hispanic or Latino
17 Participants
n=99 Participants
Height
67.6 Inches
STANDARD_DEVIATION 4.7 • n=99 Participants

PRIMARY outcome

Timeframe: Baseline to visit 5

Population: Intent to treat.

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).

Outcome measures

Outcome measures
Measure
DISCSS Device
n=17 Participants
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. 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.
Change From Baseline (Day 1) to Visit 5 in Back Pain.
Lower Extremity
-3.9 score on a scale
Standard Deviation 2.5
Change From Baseline (Day 1) to Visit 5 in Back Pain.
Overall
-4.2 score on a scale
Standard Deviation 2.3
Change From Baseline (Day 1) to Visit 5 in Back Pain.
Back
-4.4 score on a scale
Standard Deviation 2.3

SECONDARY outcome

Timeframe: Visit 4 (Day 6-7), and Visit 5 (Day 10-11)

Population: All enrolled subjects.

Incidence of adverse events arising from the DISCSS treatment phase

Outcome measures

Outcome measures
Measure
DISCSS Device
n=18 Participants
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. 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.
Incidence of Adverse Events
Serious Adverse Event
1 Adverse Events
Incidence of Adverse Events
Adverse Event
6 Adverse Events

SECONDARY outcome

Timeframe: Visit 5 (Day 10-11)

Population: Intent to treat.

Patient-reported device efficacy and device stimulation sensation as captured on a study-specific, subject satisfaction Questionnaire.

Outcome measures

Outcome measures
Measure
DISCSS Device
n=17 Participants
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. 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.
Patient Satisfaction
Very Satisfied
9 Participants
Patient Satisfaction
Satisfied
4 Participants
Patient Satisfaction
Somewhat Satisfied
3 Participants
Patient Satisfaction
Dissatisfied
1 Participants

Adverse Events

DISCSS Device

Serious events: 1 serious events
Other events: 5 other events
Deaths: 0 deaths

SCS System

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
DISCSS Device
n=18 participants at risk
3-5 days of DISCSS following the completion of a 3-5 day trial with a commercially available SCS system.
SCS System
n=18 participants at risk
3-5 day trial with a commercially available SCS system
Product Issues
Percutaneous Trial Lead Fracture
5.6%
1/18 • Number of events 1 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
0.00%
0/18 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)

Other adverse events

Other adverse events
Measure
DISCSS Device
n=18 participants at risk
3-5 days of DISCSS following the completion of a 3-5 day trial with a commercially available SCS system.
SCS System
n=18 participants at risk
3-5 day trial with a commercially available SCS system
Musculoskeletal and connective tissue disorders
Increased Pain
5.6%
1/18 • Number of events 1 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
0.00%
0/18 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
Musculoskeletal and connective tissue disorders
Burning/Shocking
5.6%
1/18 • Number of events 1 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
0.00%
0/18 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
Product Issues
Lead Migration
11.1%
2/18 • Number of events 2 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
0.00%
0/18 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
Musculoskeletal and connective tissue disorders
Painful Stimulation
5.6%
1/18 • Number of events 1 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)
0.00%
0/18 • Visit 1 (Day 1), Visit 2 (Day 0-3) and 3 (Day 4 - 5), Visit 4 (Day 6-7), and Visit 5 (Day 10-11)

Additional Information

Nicole Harris

MCRA, LLC

Phone: 202-552-5800

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place