Pragmatic Trial of Remote tDCS and Somatosensory Training for Phantom Limb Pain With Machine Learning to Predict Treatment Response

Description

The investigators have designed a pragmatic trial of home-based transcranial direct current stimulation (tDCS) for phantom limb pain (PLP), the PLP-EVEREST trial (PLP-EffectiVEness pRagmatic Stimulation Trial) to test a portable device that would reach underrepresented populations and would validate this therapy in a more pragmatic setting. Subjects will be randomized to home-based tDCS of the primary motor cortex (M1) with somatosensory training or usual care only (including their current pharmacological treatments, physical therapy, and occupational therapy). The investigators will therefore test the effectiveness of home-based tDCS and somatosensory training in a real-world, home-based setting. The Investigator will compare patients randomized to this combined strategy vs. usual care alone (subjects from this group will be offered combined treatment at the end of the trial). The investigators hypothesize that the combined strategy will be associated with a significantly larger Cohen's d effect size (at least 1) compared to the control group.

Conditions

Phantom Limb Pain

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Study Overview

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Study Details

Study overview

The investigators have designed a pragmatic trial of home-based transcranial direct current stimulation (tDCS) for phantom limb pain (PLP), the PLP-EVEREST trial (PLP-EffectiVEness pRagmatic Stimulation Trial) to test a portable device that would reach underrepresented populations and would validate this therapy in a more pragmatic setting. Subjects will be randomized to home-based tDCS of the primary motor cortex (M1) with somatosensory training or usual care only (including their current pharmacological treatments, physical therapy, and occupational therapy). The investigators will therefore test the effectiveness of home-based tDCS and somatosensory training in a real-world, home-based setting. The Investigator will compare patients randomized to this combined strategy vs. usual care alone (subjects from this group will be offered combined treatment at the end of the trial). The investigators hypothesize that the combined strategy will be associated with a significantly larger Cohen's d effect size (at least 1) compared to the control group.

Pragmatic Trial of Remote tDCS and Somatosensory Training for Phantom Limb Pain With Machine Learning to Predict Treatment Response

Pragmatic Trial of Remote tDCS and Somatosensory Training for Phantom Limb Pain With Machine Learning to Predict Treatment Response

Condition
Phantom Limb Pain
Intervention / Treatment

-

Contacts and Locations

Cambridge

Spaulding Hospital Cambridge, Cambridge, Massachusetts, United States, 02138

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.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • 1. Age - older than 18 years
  • 2. Limb amputation
  • 3. Patients who experience PLP regularly (at least once a week)
  • 4. Pain not attributable to other causes, such as peripheral inflammation
  • 5. Current chronic pain as defined by an average pain of at least 4 on the numeric rating scale (NRS, 0: no pain, 10: worst imaginable pain)
  • 1. Any clinically significant or unstable medical or psychiatric disorder
  • 2. History of substance abuse in the past 6 months (according to the DSM-V criteria for substance use disorder with six or more symptoms)
  • 3. Uncompensated psychiatric disorder
  • 4. Previous significant neurological history with current significant neurological deficits
  • 5. Previous neurosurgical procedure with craniectomy that would affect current distribution of tDCS
  • 6. Contraindications to tDCS (implanted brain medical devices)

Ages Eligible for Study

18 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

Spaulding Rehabilitation Hospital,

Study Record Dates

2027-07-31