Actively Recruiting

Phase Not Applicable
Age: 18Years - 70Years
All Genders
ID07139496

Combined Injury-site and Lumbosacral Epidural Stimulation for Spinal Cord Injury: A Pilot Study

Led by The University of Hong Kong · Updated on 2025-12-01

5

Participants Needed

1

Research Sites

25 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are investigating spinal cord stimulation (SCS) as a method to improve motor and autonomic function in adults with chronic complete spinal cord injury (SCI). This study aims to determine whether applying SCS to both the injury site and the lumbrosacral spinal cord can enhance motor recovery compared to stimulation of the lumbrosacral area alone. Previous studies have shown that SCS can activate previously paralyzed muscles and help restore function in chronic paralysis. Participants will undergo standard surgery to implant spinal cord stimulators with leads placed at the injury site and the lumbrosacral spinal cord. The study includes three phases of intervention lasting three months each: first, activation of SCS over the lumbrosacral spinal cord; second, activation over the injury site only; and third, activation over both areas simultaneously. Throughout all phases, participants will receive physiotherapy targeting lower limb muscles and engage in exoskeleton training for 4 to 5 hours weekly. During the trial, participants will be assessed for improvements in standing, stepping, walking ability, gait, and lower limb sensation from baseline to three months after the third phase. Researchers will also monitor changes in pain intensity, quality of life, psychological symptoms, and neuropathic pain. The total intervention and follow-up period includes nine months of stimulation phases plus three months of post-treatment observation, with evaluations conducted at regular intervals to track progress.

CONDITIONS

Brief Title

Combined Injury-site & Lumbosacral Epidural Spinal Cord Stimulation

Who Can Participate

Age: 18Years - 70Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • American Society of Anesthesiologist (ASA) status I-III
  • Age 18 to 70 years old
  • Spinal cord injury for more than 2 years
  • Traumatic or atraumatic spinal cord injury
  • American Spinal Injury Association (ASIA) Impairment Scale grade A or B
  • Previous MRI documenting extent of spinal cord injury before recruitment
Not Eligible

You will not qualify if you...

  • Chronic opioid use
  • Presence of chronic pain lasting over 3 months
  • Alcohol or substance abuse
  • Active and untreated psychiatric diseases

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Surgery

Duration - 1 day

Participants undergo surgery to implant the spinal cord stimulator leads at the injury site and lumbrosacral spinal cord.

1 surgical visit (in-person)

Treatment

Duration - Up to 9 months total (3 months per phase)

Participants receive spinal cord stimulation in three sequential phases to improve motor function. Phase 1 activates stimulation over the lumbrosacral spinal cord for 3 months. Phase 2 activates stimulation over the injury site for 3 months. Phase 3 activates stimulation over both sites for 3 months. Physiotherapy and exoskeleton training are provided throughout.

Regular visits during each 3-month phase for stimulation and physiotherapy

Follow-up

Duration - 3 months

Participants are monitored for changes in standing, stepping, pain intensity, quality of life, and neurological function up to 3 months after the final treatment phase.

Periodic visits for assessments

Trial Site Locations

Total: 1 location

1

Queen Mary Hospital

Hong Kong, Hong Kong

Actively Recruiting

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Research Team

T

Timmy CW Chan, MBBS

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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