Tetraplegia Clinical Trial
— UP2Official title:
Brain Controlled Spinal Cord Stimulation in Participants With Cervical Spinal Cord Injury for Upper Limb Rehabilitation (UP2)
NCT number | NCT05665998 |
Other study ID # | UP2 |
Secondary ID | |
Status | Recruiting |
Phase | N/A |
First received | |
Last updated | |
Start date | May 22, 2023 |
Est. completion date | July 2025 |
Cervical spinal cord stimulation can elicit arm and hand movements through recruitment of proprioceptive neurons in the dorsal roots. In participants with cervical spinal cord injury, the spare roots bellow the lesion can be used to reactivate motor function. Decoding of motor intentions can be achieved through implantable electrocorticography (ECoG) devices. In this study, the investigators will use an investigational system using ECoG signal recording over the motor cortex to drive muscle specific electrical epidural spinal cord stimulation (EES). The investigators will assess the safety and preliminary efficacy of this system in 3 participants.
Status | Recruiting |
Enrollment | 3 |
Est. completion date | July 2025 |
Est. primary completion date | March 31, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 75 Years |
Eligibility | - Must provide Informed Consent as documented by signature (Appendix Informed Consent Form), - Must be at least 18 years old and no older than 75 years old at the time of enrolment, - Must be suffering from non-progressive traumatic cervical spinal cord injury, - Must be graded A, B, C, or D in the American Spinal Injury Association (ASIA) Impairment Scale (AIS) classification, - Must have completed primary standard of care rehabilitation, - Must be severely impaired in his upper limb function as determined by the investigator, - Must have sustained the injury at least 6 months before signing the consent form, - Must be able to understand and interact with the study team in French or English, - Must agree to comply in good faith with all conditions of the study and to attend all scheduled appointments, - Must use safe contraception for women of childbearing capacity, - Must not be pregnant nor breast feeding, - Must not have history of severe autonomic dysreflexia, - Must not have brain damage, - Must not have history of epilepsy, - Must not have spinal stenosis, - Must not have gastrointestinal ulcers in the last five years, - Must not have any psychological disorder, - Must not have the intention to become pregnant during the course of the study, - Must not be known or suspected of drug or alcohol abuse, - Must not have participated in another clinical study using drugs or medical devices within the 30 days preceding and during the present study, - Must not have previously been injected with stem cells in the spinal cord, - Must not be the investigator himself, his/her family members, employees or other dependent persons, - Must not have any unstable or significant medical condition that is likely to interfere with study procedures or likely to confound study endpoint evaluations as determined by the Investigator, - Must not have any hematological disorders with increased risk for surgical intervention, - Must not require ventilator support, - Must not suffer from spinal cord injury from other etiology than traumatic (ischemic, tumoral, autoimmune, etc), - Must not be subject to spasms that limit the ability of the subject to participate in the study training as determined by the investigator, - Must not display spinal stenosis or post traumatic damage at location of implantation, - Must not require the use of an intrathecal baclofen pump, - Must not be implanted with a device such as pacemakers or defibrillators, - Must not have any indication that would require an MRI, - Must not suffer from congenital nor acquired upper limb abnormalities (affection of joints or bones). |
Country | Name | City | State |
---|---|---|---|
Switzerland | CHUV | Lausanne | Vaud |
Lead Sponsor | Collaborator |
---|---|
Ecole Polytechnique Fédérale de Lausanne |
Switzerland,
Benabid AL, Costecalde T, Eliseyev A, Charvet G, Verney A, Karakas S, Foerster M, Lambert A, Moriniere B, Abroug N, Schaeffer MC, Moly A, Sauter-Starace F, Ratel D, Moro C, Torres-Martinez N, Langar L, Oddoux M, Polosan M, Pezzani S, Auboiroux V, Aksenova T, Mestais C, Chabardes S. An exoskeleton controlled by an epidural wireless brain-machine interface in a tetraplegic patient: a proof-of-concept demonstration. Lancet Neurol. 2019 Dec;18(12):1112-1122. doi: 10.1016/S1474-4422(19)30321-7. Epub 2019 Oct 3. — View Citation
Kathe C, Skinnider MA, Hutson TH, Regazzi N, Gautier M, Demesmaeker R, Komi S, Ceto S, James ND, Cho N, Baud L, Galan K, Matson KJE, Rowald A, Kim K, Wang R, Minassian K, Prior JO, Asboth L, Barraud Q, Lacour SP, Levine AJ, Wagner F, Bloch J, Squair JW, Courtine G. The neurons that restore walking after paralysis. Nature. 2022 Nov;611(7936):540-547. doi: 10.1038/s41586-022-05385-7. Epub 2022 Nov 9. — View Citation
Larzabal C, Bonnet S, Costecalde T, Auboiroux V, Charvet G, Chabardes S, Aksenova T, Sauter-Starace F. Long-term stability of the chronic epidural wireless recorder WIMAGINE in tetraplegic patients. J Neural Eng. 2021 Sep 9;18(5). doi: 10.1088/1741-2552/ac2003. — View Citation
Lorach H, Charvet G, Bloch J, Courtine G. Brain-spine interfaces to reverse paralysis. Natl Sci Rev. 2022 Jan 18;9(10):nwac009. doi: 10.1093/nsr/nwac009. eCollection 2022 Oct. No abstract available. — View Citation
Rowald A, Komi S, Demesmaeker R, Baaklini E, Hernandez-Charpak SD, Paoles E, Montanaro H, Cassara A, Becce F, Lloyd B, Newton T, Ravier J, Kinany N, D'Ercole M, Paley A, Hankov N, Varescon C, McCracken L, Vat M, Caban M, Watrin A, Jacquet C, Bole-Feysot L, Harte C, Lorach H, Galvez A, Tschopp M, Herrmann N, Wacker M, Geernaert L, Fodor I, Radevich V, Van Den Keybus K, Eberle G, Pralong E, Roulet M, Ledoux JB, Fornari E, Mandija S, Mattera L, Martuzzi R, Nazarian B, Benkler S, Callegari S, Greiner N, Fuhrer B, Froeling M, Buse N, Denison T, Buschman R, Wende C, Ganty D, Bakker J, Delattre V, Lambert H, Minassian K, van den Berg CAT, Kavounoudias A, Micera S, Van De Ville D, Barraud Q, Kurt E, Kuster N, Neufeld E, Capogrosso M, Asboth L, Wagner FB, Bloch J, Courtine G. Activity-dependent spinal cord neuromodulation rapidly restores trunk and leg motor functions after complete paralysis. Nat Med. 2022 Feb;28(2):260-271. doi: 10.1038/s41591-021-01663-5. Epub 2022 Feb 7. — View Citation
Wagner FB, Mignardot JB, Le Goff-Mignardot CG, Demesmaeker R, Komi S, Capogrosso M, Rowald A, Seanez I, Caban M, Pirondini E, Vat M, McCracken LA, Heimgartner R, Fodor I, Watrin A, Seguin P, Paoles E, Van Den Keybus K, Eberle G, Schurch B, Pralong E, Becce F, Prior J, Buse N, Buschman R, Neufeld E, Kuster N, Carda S, von Zitzewitz J, Delattre V, Denison T, Lambert H, Minassian K, Bloch J, Courtine G. Targeted neurotechnology restores walking in humans with spinal cord injury. Nature. 2018 Nov;563(7729):65-71. doi: 10.1038/s41586-018-0649-2. Epub 2018 Oct 31. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of treatment-related serious adverse events (SAEs). | Through completion of the study 12 months | ||
Secondary | Graded and Redefined Assessment of Strength Sensibility, and Prehension (GRASSP) score | 0-232 points, higher score indicating better performance | 7 months | |
Secondary | Action Research Arm Test (ARAT) score | 0-57 points, higher score indicating better performance | 7 months | |
Secondary | Capabilities of the Upper Extremity Test (CUE-T) | 0-68 points, higher score indicating better performance | 7 months | |
Secondary | Range of Motion (in rad) | 7 months | ||
Secondary | Grasp force (in N) | 7 months | ||
Secondary | Pinch force (in N) | 7 months | ||
Secondary | International Standards for Neurological Classification of SCI (ISNCSCI) score | 0-324 points, higher score indicating better function | 7 months | |
Secondary | Maximum voluntary contraction (in N.m) | 7 months | ||
Secondary | Somato-sensory evoked potential amplitude (in mV) | 7 months |
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