Restoring Walking in Non-ambulatory Children With Severe Chronic Spinal Cord Injury (SCI) (Kids STEP Study)

NCT ID: NCT00488280

Last Updated: 2024-11-08

Study Results

Results pending

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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Recruitment Status

COMPLETED

Total Enrollment

7 participants

Study Classification

OBSERVATIONAL

Study Start Date

2007-02-28

Study Completion Date

2012-09-30

Brief Summary

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The Kids STEP Study aims to

1. Determine if walking can be restored in children with incomplete SCI and little to no leg movement
2. Identify the neural pathways that permit recovery of walking

Detailed Description

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Locomotor training (LT) is an activity-based therapy to promote plasticity and recovery of walking. It is based on animal studies investigating walking recovery after spinal cord injury and the nervous system's control of walking. Normal walking is achieved through the interaction of multiple levels of the neural axis (cortex, brain stem, spinal cord). However, a basic rhythmic walking pattern is generated by central pattern generators (CPGs) located within the spinal cord. Investigations of central pattern generators indicate that sensory input specific to the task of walking can enhance the firing of these spinal neuronal centers. Thus, LT is an intensive walking program designed to provide sensory input to the spinal cord so that the neural output from the spinal CPGs can be maximized. In addition, LT uses a treadmill and a harness to provide partial body weight support enabling persons with injury to repetitively practice walking in a safe, enabling environment.

Children enrolled in the study (after medical clearance and consent to participate) will undergo extensive testing and complete 12 weeks of locomotor training. Testing will examine the child's neurologic and functional status. Tests to examine functional status include: ASIA evaluation of sensory and motor function, gait analysis, comprehensive strength tests, and assessment of skills such as cycling, stepping, and kicking. Tests to examine the child's neurologic injury include: MRI, Transcranial Magnetic Stimulation (TMS), and reflex testing. Locomotor training will be conducted daily (5 days/ week) for a total of 60 sessions over 12 weeks. During training children will work closely with therapists, researcher, and trainers to practice walking skills on the treadmill and over-ground.

Conditions

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Spinal Cord Injury (SCI)

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Kids Step Study: Locomotor Training

All children who participate will be in the experimental cohort, KSS-#, and receive 60 sessions of daily locomotor training. This experimental cohort will also undergo clinical and neurophysiological testing pre, during, and post 60 sessions of locomotor training.

Locomotor Training

Intervention Type BEHAVIORAL

Task-specific practice of walking with assistance from trainers using body weight support and treadmill followed by training over ground, 5x/week, approximately 1.5 hours/day

Interventions

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Locomotor Training

Task-specific practice of walking with assistance from trainers using body weight support and treadmill followed by training over ground, 5x/week, approximately 1.5 hours/day

Intervention Type BEHAVIORAL

Other Intervention Names

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body weight supported treadmill training activity-based therapy

Eligibility Criteria

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Inclusion Criteria

Individuals with SCI will include:

* Pre-adolescent children, ages 3-13 yrs old
* A diagnosis of first time, non-progressive SCI, upper motor neuron lesion, including, but not limited to, etiology from trauma, inflammation, vascular, surgical re-section due to localized tumor removal or orthopedic pathology resulting in clinical signs of lower cervical or thoracic spinal cord injury
* Non-ambulatory or impaired ambulation for greater than 1 yr, such that physical assistance and the use of assistive devices (i.e. walker) and/or leg braces (i.e. knee- ankle- foot orthoses (KAFOs)) are required to ambulate
* A SCI as defined by the American Spinal Injury Association (ASIA) Impairment Scale category B or C
* A medically stable condition that is asymptomatic for bladder infection, decubiti, osteoporosis, cardiopulmonary disease, pain, or other significant medical complications that would prohibit or interfere with testing of walking function and training or alter compliance with a training protocol
* Documented medical approval from the participant's personal physician verifying the participant's medical status
* Parent's informed consent for children

Exclusion Criteria

Children with SCI who -

* Are currently participating in a rehabilitation program or another research protocol that could interfere or influence the outcome measures of the current study
* Have a history of congenital SCI (e.g. Chiari malformation, myelomeningocele, intraspinal neoplasm, Frederich's ataxia) or other degenerative spinal disorders (e.g. spinocerebellar degeneration or syringomyelia) that may complicate the treatment and/or evaluation procedures
* Children who are diabetic or have implants, pacemakers, or devices which are not NMR/MRI compatible and are not suitable for the study
Minimum Eligible Age

3 Years

Maximum Eligible Age

13 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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The Craig H. Neilsen Foundation

OTHER

Sponsor Role collaborator

Brooks Rehabilitation

OTHER

Sponsor Role collaborator

Baylor College of Medicine

OTHER

Sponsor Role collaborator

University of Florida

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Andrea L Behrman, PhD, PT

Role: PRINCIPAL_INVESTIGATOR

University of Florida

Dena R Howland, PhD, OT

Role: PRINCIPAL_INVESTIGATOR

University of Florida

Locations

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University of Florida

Gainesville, Florida, United States

Site Status

Countries

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United States

References

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Barbeau H, Nadeau S, Garneau C. Physical determinants, emerging concepts, and training approaches in gait of individuals with spinal cord injury. J Neurotrauma. 2006 Mar-Apr;23(3-4):571-85. doi: 10.1089/neu.2006.23.571.

Reference Type BACKGROUND
PMID: 16629638 (View on PubMed)

Barbeau H, Ladouceur M, Norman KE, Pepin A, Leroux A. Walking after spinal cord injury: evaluation, treatment, and functional recovery. Arch Phys Med Rehabil. 1999 Feb;80(2):225-35. doi: 10.1016/s0003-9993(99)90126-0.

Reference Type BACKGROUND
PMID: 10025502 (View on PubMed)

Behrman AL, Lawless-Dixon AR, Davis SB, Bowden MG, Nair P, Phadke C, Hannold EM, Plummer P, Harkema SJ. Locomotor training progression and outcomes after incomplete spinal cord injury. Phys Ther. 2005 Dec;85(12):1356-71.

Reference Type BACKGROUND
PMID: 16305274 (View on PubMed)

Behrman AL, Harkema SJ. Locomotor training after human spinal cord injury: a series of case studies. Phys Ther. 2000 Jul;80(7):688-700.

Reference Type BACKGROUND
PMID: 10869131 (View on PubMed)

Edgerton VR, Tillakaratne NJ, Bigbee AJ, de Leon RD, Roy RR. Plasticity of the spinal neural circuitry after injury. Annu Rev Neurosci. 2004;27:145-67. doi: 10.1146/annurev.neuro.27.070203.144308.

Reference Type BACKGROUND
PMID: 15217329 (View on PubMed)

Behrman AL, Bowden MG, Nair PM. Neuroplasticity after spinal cord injury and training: an emerging paradigm shift in rehabilitation and walking recovery. Phys Ther. 2006 Oct;86(10):1406-25. doi: 10.2522/ptj.20050212.

Reference Type BACKGROUND
PMID: 17012645 (View on PubMed)

Howland DR, Trimble SA, Fox EJ, Tester NJ, Spiess MR, Senesac CR, Kleim JA, Spierre LZ, Rose DK, Johns JS, Ugiliweneza B, Reier PJ, Behrman AL. Recovery of walking in nonambulatory children with chronic spinal cord injuries: Case series. J Neurosci Res. 2023 Jun;101(6):826-842. doi: 10.1002/jnr.25162. Epub 2023 Jan 23.

Reference Type DERIVED
PMID: 36690607 (View on PubMed)

Other Identifiers

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313-2006

Identifier Type: -

Identifier Source: org_study_id

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