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Empower Opioid Misuse & Chronic Pain

CompletedNot applicableNCT04184362
View the official record on ClinicalTrials.gov

Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.

This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.

Brief summary (from the registry)

This study evaluates the effects of peripheral nerve stimulation on opioid craving and use and pain in participants with chronic non-cancer pain (NCP) and opioid misuse. Participants will be randomized to receive the active or sham control treatment for the duration of the study.

Study details

Official title
Empower Opioid Misuse Theranova Study for Veterans With Chronic Pain
Interventions
  • Device: Empower Neuromodulation System Transcutaneous Electrical Nerve Stimulation
Sponsor
University of California, San Francisco
Start date
2019-11-20
Primary completion
2022-03-21
Sex
All
Age range
from 18 Years to 75 Years
Healthy volunteers
true
Results posted
Yes, on ClinicalTrials.gov
Countries
United States
Total sites listed
1

Eligibility criteria

Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * VA-eligible Veterans * Ages 18-75 * Currently prescribed and taking chronic opioids (≥90 days dispensed in past 12 months) for non-malignant, non-palliative pain * Current (past 12 months) opioid misuse, defined as opioid use not as prescribed. Participants with COMM ≥ 9, SOAPP-R ≥ 18, and/or medical and pharmacy records reflective of opioid misuse in the past 12 months. Exclusion Criteria: * Injury or damage to the ulnar nerve, and/or neuropathy in the upper extremities * Pregnant or planning to become pregnant * Currently implanted with an electrical and/or neurostimulator device, including cardiac pacemaker or defibrillator, vagal neuro-stimulator, deep brain stimulator, spinal stimulator, sacral stimulator, bone growth stimulator, or cochlear implant * Use of an investigational drug/device therapy within the past 4 weeks * Current medical or psychiatric instability as determined by the participant's primary care provider and/or study PI * Severe opioid use disorder (OUD) requiring medication-assisted therapy (buprenorphine, methadone, or naltrexone IM) for OUD * Injury or nerve damage at the arm or palm that prevents safe use of Empower device at either site * Unable to provide informed written consent * Prone to epilepsy or seizures

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT04184362