Home-based EEG Neurofeedback for Chronic Neuropathic Pain
NCT ID: NCT05464199
Last Updated: 2023-09-13
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE1
11 participants
INTERVENTIONAL
2022-10-06
2023-08-16
Brief Summary
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Ten participants will take part in pre-intervention assessments followed by four weeks of EEG baseline readings (5 times per week for 5 minutes), eight weeks of NFB treatment (5 times per week for 40 mins), and 12 weeks of post treatment EEG baselines readings (5 times per week for 5 minutes). Participants will be provided with training and detailed instructions on how to self-administer the NFB treatment using a bespoke headset and tablet-based software application in the comfort of their own homes.
Assessments will be conducted at Week 0 (pre-intervention), Week 4 (pre-NFB treatment), Week 12 (post NFB treatment) and at follow up points (Week 16, 20, and 24). It is anticipated this study will provide evidence of the safety, efficacy, reliability and validity of a low-cost non-pharmacological solution to the physical, psychological and social difficulties experienced by individuals with chronic neuropathic pain conducted within the NHS health system.
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Detailed Description
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Neurofeedback training aims to modulate brain EEG activity arising from cortical and sub-cortical areas of the brain associated with pain perception and modulation, and preliminary findings suggest it could be a safe and effective tool in the treatment of chronic pain.
Several studies indicate that neurofeedback which aims to upregulate alpha frequency activity over sensorimotor areas of the brain can produce substantial improvements in pain. Recent systematic reviews have called for more robustly designed trials in terms of methodology and feasibility and for changes in EEG activity to be measured and correlated with outcome measure assessments.
A recent proof of concept study (Number of participants=16) was conducted in the UK during the Covid pandemic lockdown in 2020/21, to examine the safety and efficacy of a home-based EEG neurofeedback intervention for the management of chronic pain and associated symptoms. This study as referred to below, showed significant improvements in pain, central sensitisation, sleep, mood and quality of life measures for many of the heterogenous group, alongside correlations with changes in EEG activity.
Study title: Brain Train for Pain - A home-based neurofeedback intervention to treat the primary and secondary symptoms of chronic pain.
REC reference: 20/NW/0209 Protocol number: ED1001033 IRAS project ID: 277936
This trial will utilise an updated version of the equipment (Headset, tablet and software App) and replicate the neurofeedback intervention while expanding on the above study by showing changes in EEG activity during and after the intervention period in a homogenous cohort of participants living with chronic neuropathic pain. Furthermore, it will validate the efficacy of a home-based telehealth intervention for chronic neuropathic pain within the NHS.
The primary hypotheses of this study are that:
i) 8 weeks of usual care plus active EEG neurofeedback is feasible, safe, and clinically efficacious, resulting in a reduction in perceived pain, and improvement in central sensitisation, mood, sleep, and quality of life measures ii) Baseline EEG resting state activity will differ over three time points - pre, during, and post-intervention.
iii) Changes in EEG activity will be correlated with changes in primary and secondary outcome measures
The research team will conduct a simple single arm cohort study measuring outcomes before and after an 8-week period of neurofeedback intervention and then throughout a follow up period of 12 weeks. The total time period for each participant will be 23 weeks.
All potential applicants will be screening against eligibility criteria. Individuals who meet the eligibility criteria will be invited to take part in this trial.
Potential participants will be recruited from a variety of sources including East Kent Hospitals University NHS Foundation Trust (EKHUFT) Out-patient clinics (primarily from the Out-patient clinic of the Chief Investigator), patient association networks (for example: Kent Multiple Sclerosis Therapy Centre and Headway Kent), NHS primary care in East Kent and social media may also be used.
Participant time-line -
Week 1 - EEG baseline measurements (5 times during the week for 5 mins) and initial outcome measurements Week 2 - Transition week - Research team video based appointment for checking all aspects and further training required and outcome measure assessment.
Weeks 3 to 10 - active self administered neurofeedback treatment by participant at home - 5 times per week for 40 minute sessions.
Weeks 11 to 23 - EEG baseline measurements (5 times per week for 5 mins). 4 video based follow up appointments with a member of the research team for outcome measurements and checking and confirmation of any potentially reported issues.
After completion of the trial, all participants will be provided with a debrief document to enable participants to have an opportunity to discuss anything they would like with the Chief Investigator and also to enable them to have the opportunity of obtaining a brief 1-page summary report of the results of the research after all data and results have been analysed.
Statistical Analysis.
Study results will first undergo descriptive level statistical analyses. Continuous variables will be reported using mean (standard deviation) or median (interquartile range), depending on the data distribution, and dichotomous and categorical variables will be reported using frequencies (proportion). All data will be analysed following intention-to-treat principles. Secondary per protocol analyses may also be completed. The difference in primary and secondary outcomes will be analysed with linear or general linear mixed effects models, controlling for baseline scores. The research team will report the number of participants with missing scores for each outcome and any imputations will be carried out consistent with the approaches laid out in Gelman and Hill (Ref: Gelman A. and J. Hill, Missing-data Imputation in Data Analysis Using Regression and Multilevel/Hierarchical models. 2006, London, UK. p. 529-544.)
The research team will report imputation methods, and will perform a sensitivity analysis, examining effects on the outcomes reported, using the approach recommended by White et al (Ref: White, I.R., et al., Strategy for intention to treat analysis in randomised trials with missing outcome data. BMJ, 2011. 342: p. d40.)
For the secondary outcome measures, linear mixed effects models will also be used to assess the relationship between % improvement in Brief Pain Inventory and Visual Analogue Scale for pain average changes 1) in resting EEG alpha frequency band power, relative alpha, hi-beta and theta, pre to post intervention and at all follow up points. Potentially important covariates (e.g. baseline pain intensity, psychological distress, sleep quality) will also be assessed for interaction, collinearity and confounding. With respect to participant safety, discontinuation rates, adverse events and treatment emergent adverse events will all be reported and documented.
Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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Participants receiving neurofeedback intervention
Self administered neurofeedback training - Use of Headset and tablet with software App for playing a selected neurofeedback game. The EEG headset and tablet-based application is designed with the purpose of alleviating chronic pain by providing the user with feedback of, and allowing them to modulate, their own EEG signals associated with activity in brain networks related to pain perception and pain modulation.
Neurofeedback training
Self-administered neurofeedback treatment using headset and tablet-based application, designed with the purpose of alleviating chronic pain by providing the user with feedback of, and allowing them to modulate, their own brain EEG signals associated with activity in brain networks related to pain perception and pain modulation.
Visual feedback will be provided onscreen representing the participant's real time EEG activity measured by the headset. Each session will be split into five blocks of five minutes each, with a one-minute rest period in between, in order to avoid fatigue and allow the participant to move around and adjust their position. After each rest block, participants will be asked if they are ready to proceed and when ready, the next block can be started. After the end of the session (5 blocks) the participant will then be asked to perform a post-session eyes-open EEG recording, similar to the eyes-open baseline taken at the start of the session.
Interventions
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Neurofeedback training
Self-administered neurofeedback treatment using headset and tablet-based application, designed with the purpose of alleviating chronic pain by providing the user with feedback of, and allowing them to modulate, their own brain EEG signals associated with activity in brain networks related to pain perception and pain modulation.
Visual feedback will be provided onscreen representing the participant's real time EEG activity measured by the headset. Each session will be split into five blocks of five minutes each, with a one-minute rest period in between, in order to avoid fatigue and allow the participant to move around and adjust their position. After each rest block, participants will be asked if they are ready to proceed and when ready, the next block can be started. After the end of the session (5 blocks) the participant will then be asked to perform a post-session eyes-open EEG recording, similar to the eyes-open baseline taken at the start of the session.
Eligibility Criteria
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Inclusion Criteria
* must have had an average pain rating in the last week of equal to or greater than 4/10 on Visual Analogue Scale for Pain
* must have a head circumference between 520-620 mm to ensure correct fitment of headset
* must have access to a reliable internet connection and Wi-Fi at home
* must have and display competence with equipment and headset usage after training
Exclusion Criteria
* serious recent (within 12 months) head injury and/or traumatic brain injury and/or concussion
* diagnosed with a major neurological disorder (e.g. trigeminal neuralgia)
* a history of seizures
* diagnosed with a major psychiatric disorder
* has an implanted electronic neuromodulation device for example - a heart pacemaker, or loop recorder
* is unable to provide informed consent
* must not have any change in medication or treatment planned in the 1 week prior to and during the trial intervention period, or in the 12 weeks post trial intervention, while EEG baselines are being recorded.
18 Years
ALL
Yes
Sponsors
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Exsurgo Ltd
UNKNOWN
East Kent Hospitals University NHS Foundation Trust
OTHER_GOV
Responsible Party
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Principal Investigators
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Dr Mohamed Sakel, MBBS
Role: PRINCIPAL_INVESTIGATOR
East Kent Hospitals University NHS Foundation Trust
Locations
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East Kent Hospitals University NHS Trust
Canterbury, Kent, United Kingdom
Countries
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References
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Sakel M, Ozolins CA, Saunders K, Biswas R. A home-based EEG neurofeedback treatment for chronic neuropathic pain-a pilot study. Front Pain Res (Lausanne). 2025 Mar 11;6:1479914. doi: 10.3389/fpain.2025.1479914. eCollection 2025.
Other Identifiers
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2022/NEURO/02
Identifier Type: -
Identifier Source: org_study_id
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