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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05863754
Other study ID # IRB20-00854
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date February 23, 2022
Est. completion date April 1, 2027

Study information

Verified date July 2023
Source MetroHealth Medical Center
Contact Anne Bryden, Ph.D, OTR/L
Phone 216-778-5347
Email anne.bryden@case.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The overall objective of this trial is to characterize the safety and effectiveness of the Networked Neuroprosthesis Device - Upper Extremity (NP-UE) in individuals living with cervical SCI.


Description:

The Networked Neuroprosthesis(NNP) is an implantable, configurable neuromodulation platform that provides functional movement by the coordinated activation of peripheral neural pathways activating innervated paralyzed muscles, and sensing of physiological signals. The NNP-UE Configuration activates nerves of the upper extremity (arm and hand), and senses voluntary motion and/or electromyogram (EMG) in order to provide hand grasp. The proposed work is focused on restoration of hand and reaching functions for people with cervical level spinal cord injury. For individuals who have sustained this injury, restoration of hand function is their top priority, and existing alternatives are limited. Neuroprosthesis are the most promising method for significant gain in hand and arm function.


Recruitment information / eligibility

Status Recruiting
Enrollment 13
Est. completion date April 1, 2027
Est. primary completion date April 1, 2026
Accepts healthy volunteers No
Gender All
Age group 16 Years and older
Eligibility Inclusion Criteria: - Male or female, age > 16 years. - Cervical level spinal cord injury, as defined by: 1. International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) motor level of C1 through C7 and 2. American Spinal Injury Association (ASIA) Impairment Scale (AIS) grade A, B, or C; - Six months or more post-injury (neurostability); - Neurologically stable following any nerve transfers affecting the upper extremity (typically, one year post surgery); - Musculoskeletally and neurologically stable following any tendon transfers affecting the upper extremity (typically, 6-months). - Peripheral nerve innervation to upper extremity muscles, including a grade 3/5 or higher Stimulated Manual Muscle Test (SMMT) strength in at least two of the following muscles in one arm: 1. Adductor Pollicus, Abductor Pollicus Brevis (AbPB), Flexor Pollicus Longus (FPL), Extensor Pollicus Longus (EPL)/Extensor Pollicus Brevis (EPB), Extensor Digitorum Communis (EDC), Flexor Digitorum Superficialis (FDS), Flexor Digitorum Profundus (FDP), Pronator Quadratus (PQ), Extensor Carpi Ulnaris (ECU), Extensor Carpi Radialis Brevis (ECRB), Extensor Carpi Radialis Longus (ECRL), Flexor Carpi Ulnaris (FCU), Flexor Carpi Radialis (FCR), First Dorsal Interosseous(1DI), triceps, 2. At least two of the grade 3/5 or higher excitable muscles must also have grade 2/5 or lower voluntary strength; - Good proximal upper extremity strength as defined by biceps/brachialis/brachioradialis strength of 2/5 or higher on Manual Muscle Test on the side intended for implantation; - Medically stable; - Able to understand and provide informed consent. Exclusion Criteria: - Other neurological conditions (MS(multiple Sclerosis), diabetes with peripheral nerve involvement); Associated peripheral nerve / brachial plexus injury - Progressive SCI; - Co-existing cervical spine pathology (syrinx, unstable segment) - Active implantable medical device (AIMD) such as a pacemaker or defibrillator; - Active untreated infection such as pressure injury, urinary tract infection, pneumonia; - History of coagulopathy, HIV, cardiopulmonary disease, bradycardia, poorly controlled autonomic dysreflexia, or chronic obstructive pulmonary disease that would preclude safe participation in the trial as determined by the investigator; - Unhealed fractures that prevent functional use of arm; - Extensive upper extremity denervation (fewer than two excitable hand muscles); - Involvement in other ongoing clinical studies that exclude concurrent involvement in this study; - Disorder or condition that requires MRI monitoring; - Mechanical ventilator dependency; - Currently pregnant (neuroprosthesis implantation delayed until no longer pregnant); - Presence of disease that might interfere with participant safety, compliance, or evaluation of the condition under study; - Other significant medical findings that, in the opinion of the investigator, preclude safe participation in the trial.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Networked Neuroprosthesis Device
The Networked Neuroprosthesis Device is an implantable, configurable neuromodulation platform that provides functional movement by the coordinated activation of peripheral neural pathways activating innervated paralyzed muscles, and sensing of physiological signals.

Locations

Country Name City State
United States MetroHealth Medical Center Cleveland Ohio

Sponsors (3)

Lead Sponsor Collaborator
MetroHealth Medical Center Case Western Reserve University, National Institute of Neurological Disorders and Stroke (NINDS)

Country where clinical trial is conducted

United States, 

References & Publications (3)

Ho CH, Triolo RJ, Elias AL, Kilgore KL, DiMarco AF, Bogie K, Vette AH, Audu ML, Kobetic R, Chang SR, Chan KM, Dukelow S, Bourbeau DJ, Brose SW, Gustafson KJ, Kiss ZH, Mushahwar VK. Functional electrical stimulation and spinal cord injury. Phys Med Rehabil Clin N Am. 2014 Aug;25(3):631-54, ix. doi: 10.1016/j.pmr.2014.05.001. — View Citation

Makowski N, Campean A, Lambrecht J, Buckett J, Coburn J, Hart R, Miller M, Montague F, Crish T, Fu M, Kilgore K, Peckham PH, Smith B. Design and Testing of Stimulation and Myoelectric Recording Modules in an Implanted Distributed Neuroprosthetic System. IEEE Trans Biomed Circuits Syst. 2021 Apr;15(2):281-293. doi: 10.1109/TBCAS.2021.3066838. Epub 2021 May 25. — View Citation

Peckham PH, Kilgore KL. Challenges and opportunities in restoring function after paralysis. IEEE Trans Biomed Eng. 2013 Mar;60(3):602-9. doi: 10.1109/TBME.2013.2245128. Epub 2013 Mar 7. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Grasp-Release Test Ability to pick up, move, and release six standard objects Pre-implant and three months post-implant, 6 months post implant, 12 months post implant
Secondary Change in Grasp Dynameter(force) Measure of muscular strength or the maximum force/tension generated by one's forearm muscles. Pre-implant and three months post-implant, 6 months post implant, 12 months post implant
Secondary Change in Canadian Occupational Performance Measure (COPM) Evidence-based outcome measure designed to capture a client's self-perception of performance in everyday living, over time Pre-implant and three months post-implant, 6 months post implant, 12 months post implant
Secondary Change in Activities of Daily Living (ADL) Abilities Test The Activities of Daily Living (ADL) profile uses both observation and interview to assess function in tasks completed in the personal, home, and community environments. Pre-implant and three months post-implant, 6 months post implant, 12 months post implant
Secondary Change in Spinal Cord Independence Measure III (SCIM-III) The measure address three specific areas of function in patients with spinal cord injuries (SCI). It looks at self-care (feeding, grooming, bathing, and dressing), respiration and sphincter management, and a patient's mobility abilities (bed and transfers and indoors/outdoors) Pre-implant and three months post-implant, 6 months post implant, 12 months post implant
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