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RECRUITING

NCT06796504

The SetPoint System as a Pro-Remyelination Therapy for Relapsing-Remitting Multiple Sclerosis: A Pilot Study

Sponsor: SetPoint Medical Corporation

View on ClinicalTrials.gov

Summary

The MS pilot study will assess the safety and investigate the remyelinating effects of the SetPoint System (study device) in adult patients with patients diagnosed with relapsing-remitting multiple sclerosis (RRMS). The SetPoint System is intended for adjunctive use with standard of care therapy for RRMS. The study device contains a miniaturized stimulator (implant) that is surgically placed under general anesthesia on the vagus nerve through a small incision on the left side of the neck (implant procedure). The study will enroll up to 60 participants at up to 10 sites. All eligible participants will undergo the implant procedure. Two-thirds of the participants will receive active stimulation (treatment) and the one-third will receive non-active stimulation (control). Following treatment evaluations at Week 48, there will be a one-way crossover of control subjects to active stimulation and a 48-week open-label follow-up with all subjects (treatment and control) receiving active stimulation to evaluate long-term safety.

Key Details

Gender

All

Age Range

22 Years - 50 Years

Study Type

INTERVENTIONAL

Enrollment

Start Date

2026-03-31

Completion Date

2030-09-30

Last Updated

2026-04-01

Healthy Volunteers

Conditions

Relapsing Remitting Multiple Sclerosis

Interventions

PROCEDURE

Procedure/Surgery: Implant Procedure

The SetPoint System (study device)contains a miniaturized stimulator (implnat) that is surgically implanted inside the left side of the neck on the vagus nerve (implant procedure). All eligible subjects will undergo the surgery under general anesthesia in outpatient settings.

DRUG

Disease-Modifying Therapies (DMTs)

All subjects will continue treatment with standard of care disease-modifying therapies for he duration of the study.

DEVICE

Device: Active stimulation

Active stimulation for 1 minute once per day

DEVICE

Device: Non-active stimulation

Non-active stimulation for 1 minute once per day

Inclusion Criteria: * Age 22-50 years at informed consent. * Diagnosis of RRMS by revised 2017 McDonald criteria. * Latency delay \>118 milliseconds on baseline full-field transient pattern reversal visual evoked potential (VEP) in at least one eye. Both eyes can be included if they meet all inclusion criteria. * Peri-papillary retinal nerve fiber layer (pRNFL) \> 70 microns on Optical Coherence Topography (OCT) in the VEP-qualifying eye (sufficient axons). * Best corrected high-contrast (HCVA) better than 20/200 Snellen equivalent or letter score of 35 * Best corrected low-contrast letter acuity (LCLA) by Sloan chart (2.5% black on white) of no better than 40 letters in the VEP-qualifying eye (Snellen equivalent of 20/40). (Best corrected LCLA must be worse than best corrected HCVA.) * Absence of clinical relapse for at least 12 months prior to informed consent * No new lesions or increase in existing lesion volume on most recent clinic brain MRI (must be within 1 year of consent) * Taking a stable regimen of disease-modifying therapy (DMT) prior to informed consent. If intermediate-potency DMT, the DMT must have been started and maintained for at least two years prior to consent. If high-potency DMT, the DMT must have been started and maintained at least one year prior to consent. * Score of 2.5 to 6.0 by Expanded Disability Status Scale (EDSS) at baseline, with at least of 2 on the functional systems pyramidal function. Exclusion Criteria: * Confounding ophthalmologic disease or impairments/conditions that could interfere with visual testing (e.g., cataracts, disc hemorrhage, macular star, cotton wool spots, macular degeneration, glaucoma, diabetic and/or hypertensive retinopathy, history of detached retina, etc.) * Severe myopia defined as a refractive error of -6.00 diopters or more * Concurrent neurological disorders, including known moderate or severe cervical myelopathy. * Clinical optic neuritis within 6 months before screening. * Documented optic neuritis in the qualifying eye greater than 5 years before screening. * Steroid treatment for MS symptoms in the 30 days prior to consent * Hypersensitivity/allergy to MRI contrast agents and/or unable to perform MRI (e.g., claustrophobia). * Regular use of or dependency on nicotine products within the past year. * Not a surgical candidate.

Locations (4)

Shepherd Center

Atlanta, Georgia, United States

Minnesota Center for Multiple Sclerosis

Plymouth, Minnesota, United States

UW Medicine Multiple Sclerosis Center-Northwest

Seattle, Washington, United States

West Virginia University

Morgantown, West Virginia, United States