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Chronic PainNCT06158321

rTMS in Managing Individuals With Chronic Low Back Pain and Comorbid Insomnia

A study testing M1 rTMS and DLPFC rTMS in people with Chronic Pain and Insomnia, run by The Hong Kong Polytechnic University.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

This pilot randomized controlled trial (RCT) aims to investigate the feasibility and efficiency of delivering different rTMS protocols in individuals with CLBP and insomnia. Participants will be randomly assigned to either the primary motor cortex (M1) rTMS, the dorsolateral prefrontal cortex (DLPFC) rTMS, or sham… Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Chronic Pain, Insomnia
What is being tested?
M1 rTMS and DLPFC rTMS
Type of treatment
Medical device
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
45 participants
Where
No sites listed yet
Study dates
1 Dec 2024to 31 Aug 2025
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • participants aged between18 and 65 years;
  • willing to participate in the study and randomization;
  • having stable pharmacological or nonpharmacological treatments for pain or sleep at least one month prior to study participation;
  • having CLBP (defined as pain between 12 ribs and gluteal crease with or without leg pain that has persisted for at least three months)
  • diagnosing insomnia using the Brief Insomnia Questionnaire (BIQ) based on the criteria outlined in the Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-5)

Who cannot join

  • specific causes of CLBP (e.g., spondylosis, spondyloarthropathy, or vertebral fracture);
  • pregnancy or nursing;
  • previous spinal surgery;
  • inflammatory or autoimmune diseases;
  • other sleep disorders (e.g., sleep apnea or restless leg);
  • presence of severe psychopathologies, neurological, or physical disease directly related to the onset of insomnia (e.g., depression, substance abuse, or alcohol abuse);
Show all 9Show fewer
  • severe dependence on hypnotic drugs;
  • concurrent receipt of new treatments outside the scope of the study;
  • contraindications to use rTMS (e.g., severe head trauma, intracranial hypertension, implanted ferromagnetic devices, history of epilepsy).

About this study

Official title: The Efficacy of Repetitive Transcranial Magnetic Stimulation (rTMS) in Managing Individuals With Chronic Low Back Pain and Comorbid Insomnia: A Pilot Randomized Controlled Trial

This pilot randomized controlled trial (RCT) aims to investigate the feasibility and efficiency of delivering different rTMS protocols in individuals with CLBP and insomnia. Participants will be randomly assigned to either the primary motor cortex (M1) rTMS, the dorsolateral prefrontal cortex (DLPFC) rTMS, or sham stimulation.

Read the detailed description

Sleep disturbance exacerbates pain perception, disability, and poor prognosis in individuals with chronic low back pain (CLBP). A recent systematic review demonstrated that improvements in sleep disturbance were associated with corresponding improvements in pain intensity, recovery, and disability in individuals with CLBP. These findings indicate that achieving restorative sleep is likely to mitigate chronic pain symptoms. The application of rTMS at a specific frequency over a focal brain area has been proposed as a promising treatment for chronic pain and insomnia independently. To date, no studies have compared the effectiveness of different rTMS protocols in treating comorbid CLBP and insomnia. Given the above, the current study aims to investigate the feasibility and acceptability of delivering different rTMS protocols in individuals with CLBP and insomnia and explore the relative therapeutic efficacy of these protocols on pain and sleep parameters at immediate post-treatment and one-month follow-up.

Being tested
M1 or DLPFC sham stimulation, M1 rTMS, DLPFC rTMS
Keywords
Chronic low back pain, Insomnia, rTMS, RCT
Medical subject headings
Chronic Pain, Sleep Initiation and Maintenance Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • M1 or DLPFC sham stimulationDevice

    Participants receiving M1 or DLPFC sham stimulations will complete the same procedures as those in the active groups. The sham coil, with the same stimulation parameters, will provide auditory and sensory effects similar to the active coil without delivering active stimulation.

  • M1 rTMSDevice

    Also called Participants will receive high-frequency rTMS over M1.

    The stimulation parameter of the active M1-rTMS is a 10 Hz stimulation frequency with a total of 1500 stimulation pulses.

  • DLPFC rTMSDevice

    The stimulation parameter of the active DLPFC-rTMS is a 1 Hz stimulation frequency with a total of 1500 stimulation pulses.

Study groups in NCT06158321
Study groupRoleWhat they receive
M1 or DLPFC sham stimulationSham comparatorParticipants will receive M1 or DLPFC sham stimulations.
Receives: Device: M1 or DLPFC sham stimulation
M1 rTMSExperimentalParticipants will receive high-frequency rTMS over M1.
Receives: Device: M1 rTMS
DLPFC rTMSExperimentalParticipants will receive low-frequency rTMS over DLPFC.
Receives: Device: DLPFC rTMS

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Eligibility rate

    The percentage of eligible participants

    Measured: Two weeks

  2. Recruitment rate

    The percentage of eligible individuals who provide informed consent for participation

    Measured: Two weeks

  3. Attrition rate

    The percentage of recruited participants who did not attend the intervention or follow-up reassessment

    Measured: Two weeks

  4. Adherence to the intervention

    The percentage of sessions attended by each participant

    Measured: Two weeks

  5. Adverse events

    They will be monitored and documented after each treatment session

    Measured: Two weeks

  6. Accepatbility

    To assess the acceptability of our pilot trial and treatment process, a semi-structured interview will be conducted.

    Measured: Two weeks

Secondary outcomes (9)
  1. Pain intensity

    11-point Numerical Pain Rating Scale, with 0 = no pain and 10 = worst pain. imaginable

    Measured: Two and six weeks

  2. Back-related disability

    The Roland Morris Disability Questionnaire consists of 24 items, with a total score of 24 and a higher score indicating greater functional limitation.

    Measured: Two and six weeks

  3. Insomnia severity

    The Insomnia Severity Index consists of seven items, with a total score of 28 and a higher score indicating severer insomnia.

    Measured: Two and six weeks

  4. Sleep quality

    The Pittsburgh Sleep Quality Index consists of 19 individual items, with a total score of 21 and a higher score indicating poorer sleep quality.

    Measured: Two and six weeks

  5. Subjetcive sleep parameters

    Participants will subjectively report the time of falling asleep and waking up, sleep onset latency, and quantity and duration of nighttime awakenings. Several variables will be derived from the sleep diaries, including sleep efficiency, sleep onset latency, total sleep time, and wake after sleep onset.

    Measured: Two weeks

  6. Objetcive sleep parameters

    Actigraphy will be employed to collect objective sleep parameters. The software automatically generates relevant sleep parameters involving sleep efficiency, sleep onset latency, total sleep time, wake after sleep onset.

    Measured: Two weeks

  7. Quantitative Sensory Testing (QST)

    QST will include static pain threshold (thermal, pressure, or pinprick stimulus) and dynamic pain assessments (temporal or spatial summation of pain and conditioned pain modulation).

    Measured: Two weeks

  8. Electroencephalography (EEG)

    EEG recordings will be conducted during the resting state. Power spectral density (PSD) will be computed by a Fast Fourier Transformation and quantify the amount of oscillatory activity in five frequency bands: delta (0.5-4.0Hz), theta (4.0-8.0 Hz), alpha (8.0-13.0 Hz), beta (14.0-30.0 Hz), and gamma (30.0-10.00Hz).

    Measured: Two weeks

  9. Pain catastrophizing

    The Pain Catastrophizing Scale (PCS) consists of 13 items with a five-point Likert scale scoring from zero (not at all) to four (always). High total scores indicate more catastrophic thoughts.

    Measured: Two and six weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Dec 2023
  2. Study start1 Dec 2024 (estimated)
  3. Primary completion30 Jun 2025 (estimated)
  4. Study completion31 Aug 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Three-arm pilot randomized controlled trial (RCT)
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
45 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06158321
Sponsor's protocol ID
HongKongPU_Jeremy
Status last verified
Aug 2023
First submitted
24 Aug 2023
Last updated
6 Dec 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing M1 rTMS and DLPFC rTMS in people with Chronic Pain and Insomnia, run by The Hong Kong Polytechnic University.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 6 Dec 2023. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Eligibility rate (time frame: Two weeks). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Dec 2023.

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