NCT05885061

Brief Summary

The goal of this interventional study is to test effects of spinal cord stimulation in patients receiving treatment for their chronic pain. The main question of the study is: • What is the effect of spinal cord stimulation when compared to placebo? Participants will rate their pain with their usual spinal cord stimulation on and off.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
25

participants targeted

Target at below P25 for not_applicable chronic-pain

Timeline
32mo left

Started Jan 2025

Longer than P75 for not_applicable chronic-pain

Geographic Reach
1 country

1 active site

Status
recruiting

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

Study Progress35%
Jan 2025Dec 2028

First Submitted

Initial submission to the registry

May 1, 2023

Completed
1 month until next milestone

First Posted

Study publicly available on registry

June 1, 2023

Completed
1.6 years until next milestone

Study Start

First participant enrolled

January 2, 2025

Completed
4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2028

Last Updated

April 1, 2026

Status Verified

March 1, 2026

Enrollment Period

4 years

First QC Date

May 1, 2023

Last Update Submit

March 26, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Pain intensity, Visual Analogue Scale

    0-10 (0=no pain, 10=worst imaginable pain). Continual assessments to register changes.

    Every 15 minutes during study session (max 4 hours)

Study Arms (4)

Placebo condition

PLACEBO COMPARATOR

The patient is incorrectly told that stimulation is on

Device: Stimulation OFFDrug: Told ON

Total treatment

ACTIVE COMPARATOR

The patient is correctly told that stimulation is on

Device: Stimulation ONDrug: Told ON

Stimulation treatment

OTHER

The patient is incorrectly told that stimulation is off

Device: Stimulation ONDevice: Told OFF

Control condition

OTHER

The patient is correctly told that stimulation is off

Device: Stimulation OFFDevice: Told OFF

Interventions

Stimulation is turned OFF

Control conditionPlacebo condition

Stimulation is turned ON

Stimulation treatmentTotal treatment

Verbal suggestion that stimulation is ON

Placebo conditionTotal treatment
Told OFFDEVICE

Verbal suggestion that stimulation is OFF

Control conditionStimulation treatment

Eligibility Criteria

Age18 Years - 99 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients (\>18 years of age) with SCS implanted to treat chronic pain.
  • Patients who consent to participation and can cooperate in the study.
  • Use of continuous paresthesia-free SCS for minimum 6 months prior to participation in the study.
  • Patients not receiving other neuromodulation treatment.
  • Patients who have not undergone changes in their (pain relevant) medication during the last 30 days (pro necessitate medication allowed).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Neurosurgery, Aarhus University Hospital

Aarhus, 8200, Denmark

RECRUITING

MeSH Terms

Conditions

Chronic Pain

Condition Hierarchy (Ancestors)

PainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Central Study Contacts

Christina Emborg, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 1, 2023

First Posted

June 1, 2023

Study Start

January 2, 2025

Primary Completion (Estimated)

December 31, 2028

Study Completion (Estimated)

December 31, 2028

Last Updated

April 1, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will not share

Locations