Spinal Cord Research Help
AboutCategoriesLatest ResearchContact
Subscribe
Spinal Cord Research Help

Making Spinal Cord Injury (SCI) Research Accessible to Everyone. Simplified summaries of the latest research, designed for patients, caregivers and anybody who's interested.

Quick Links

  • Home
  • About
  • Categories
  • Latest Research
  • Disclaimer

Contact

  • Contact Us
© 2025 Spinal Cord Research Help

All rights reserved.

  1. Home
  2. Research
  3. Spinal Cord Injury
  4. A Pilot Clinical Study of Olfactory Mucosa Autograft for Chronic Complete Spinal Cord Injury

A Pilot Clinical Study of Olfactory Mucosa Autograft for Chronic Complete Spinal Cord Injury

Neurol Med Chir (Tokyo), 2016 · DOI: 10.2176/nmc.oa.2015-0320 · Published: April 6, 2016

Spinal Cord InjuryRegenerative MedicineSurgery

Simple Explanation

This study explores a new treatment for spinal cord injuries using a patient's own olfactory (smell-related) tissue. The olfactory mucosa allows autologous transplantation and can easily be obtained by a simple biopsy. The researchers transplanted olfactory mucosa into the injured spinal cords of eight patients with chronic complete spinal cord injury. The goal was to see if this could help the spinal cord regenerate and improve function. The study found that the procedure was safe and showed potential benefits, with some patients experiencing improvements in motor function and spinal cord injury scale. We show the feasibility of OMA for chronic complete spinal cord injury.

Study Duration
96 weeks
Participants
8 patients with chronic complete spinal cord injury
Evidence Level
Level II; Phase I/II non-randomized, non-controlled prospective study

Key Findings

  • 1
    The olfactory mucosa autograft (OMA) procedure was found to be safe, with no serious adverse events reported in any of the eight patients.
  • 2
    Five out of the eight patients showed improvement in motor function below the level of injury after OMA transplantation.
  • 3
    One patient showed motor evoked potentials (MEPs), indicating improved conductivity in the central nervous system, including the corticospinal tract.

Research Summary

This pilot study investigated the feasibility and safety of olfactory mucosa autograft (OMA) for treating chronic complete spinal cord injury. The procedure involves transplanting the patient's own olfactory tissue into the damaged spinal cord. The study found that OMA was safe and led to some improvements in motor function and ASIA Impairment Scale (AIS) grade in a subset of patients. The AIS improved from A to C in four cases and from B to C in one case. The presence of motor evoked potentials (MEPs) in one patient suggests potential restoration of electrophysiological conductivity in the central nervous system after OMA. Our report is the first observation of MEPs following any treatment.

Practical Implications

Potential New Treatment for SCI

Olfactory mucosa autograft (OMA) may offer a potential therapeutic strategy for chronic spinal cord injury where limited treatment options currently exist.

Further Research Needed

Larger, randomized controlled trials are warranted to confirm the efficacy of OMA and identify factors that predict patient outcomes.

Improved Rehabilitation Strategies

Combining OMA with intensive rehabilitation may enhance functional recovery in patients with spinal cord injury.

Study Limitations

  • 1
    Small sample size (8 patients)
  • 2
    Non-randomized, non-controlled study design
  • 3
    Limited follow-up duration (96 weeks)

Your Feedback

Was this summary helpful?

Back to Spinal Cord Injury