Rebuilding Inter-limb Transfer in Cervical SCI

Status Recruiting

Clinical Trial Summary

The purpose of this study in people living with cervical Spinal Cord Injury (SCI) is to examine the effects of paired neurostimulation (i.e., PCMS) combined with contralateral motor training on inter-limb transfer of ballistic motor and hand dexterity skills.

Clinical Trial Description

Cervical spinal cord injury (SCI) is the most common and severe type of SCI that can lead to paralysis of the trunk and all four limbs, also known as tetraplegia. People with tetraplegia place a high priority on regaining upper limb motor function to be independent in daily life. Despite intensive therapies, upper limb motor gains are slow to emerge, especially in chronic cases. A critical barrier to effective and efficient upper limb rehabilitation in cervical SCI lies in the motor deficits of inter-limb transfer. Inter-limb transfer refers to a natural innate process within the human neuromotor system that motor skills acquired in one limb can transfer to the opposite, untrained limb, and is believed to play a key role in maximizing and accelerating post-injury recovery. Inter-limb transfer however is deficient following cervical SCI due to a breakdown of inter-limb neural connections at the cortical and spinal levels. Prior studies in uninjured people reveal that one can upregulate inter-limb neural mechanisms and hence augment inter-limb transfer effects by giving neurostimulation to augment corticomotoneuronal pathways to the untrained arm just before motor training in the contralateral arm. This study aims to rebuild inter-limb transfer of motor gains in chronic cervical SCI using a novel non-invasive neurostimulation method called paired corticospinal-motor neuronal stimulation (PCMS). We will test the central hypothesis that PCMS given to an untrained hand immediately before the visuomotor ballistic motor training at the other hand will improve inter-limb transfer of ballistic motor and dexterity skills to the untrained hand, based on potentiation of inter-limb neural mechanisms. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06440538
Study type	Interventional
Source	The Cleveland Clinic
Contact	Kyle J O'Laughlin, MS
Phone	216-445-6728
Email	olaughk@ccf.org
Status	Recruiting
Phase	Early Phase 1
Start date	February 15, 2024
Completion date	July 30, 2025

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.