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Paired VNS For TBI Rehabilitation (VNS for TBI)

17. juli 2026 opdateret af: Sima Mofakham, Stony Brook University

This study is evaluating whether pairing vagus nerve stimulation (VNS) with structured upper limb rehabilitation therapy can improve arm and hand function in individuals with moderate to severe traumatic brain injury (TBI).

Many people who survive a TBI experience long-term weakness, poor coordination, and difficulty using one arm or hand. These motor impairments can significantly affect independence and quality of life. Traditional rehabilitation can help, but recovery is often incomplete.

Vagus nerve stimulation (VNS) is an FDA-approved therapy for certain neurological conditions and involves a small device implanted under the skin in the chest with a lead connected to the vagus nerve in the neck. The device delivers mild electrical pulses to the nerve. In this study, VNS will be paired with goal-directed upper limb rehabilitation exercises. The stimulation is delivered during specific movements in therapy sessions. This "paired stimulation" approach is designed to enhance neuroplasticity - the brain's ability to reorganize and form new connections - which may improve motor recovery.

The VNS device used in this study is FDA-approved for other conditions. However, its use paired with rehabilitation for upper limb recovery after traumatic brain injury is investigational.

Participants in this study will:

Undergo surgical implantation of the VNS device.

Participate in structured upper limb rehabilitation therapy sessions where stimulation is paired with specific movements.

Complete follow-up visits and assessments to measure changes in arm and hand function, strength, dexterity, and overall recovery.

The main goal of the study is to determine whether paired VNS and rehabilitation improves upper limb motor function compared to rehabilitation alone. Safety will also be closely monitored, including surgical outcomes and any device-related effects.

This study may help determine whether VNS paired with rehabilitation is a safe and effective way to enhance motor recovery after traumatic brain injury. Findings from this research could contribute to improved treatment strategies for individuals living with long-term motor impairments following TBI.

Participation is voluntary. All participants will be carefully evaluated to determine eligibility, and informed consent will be obtained before enrollment.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

20

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Age 22-80 years
  • History of severe TBI (initial GCS ≤ 8)
  • Regained consciousness with capacity to consent to the study
  • At least six months since injury
  • Full recovery of consciousness with command following (mGCS = 6)
  • Ongoing motor impairment with dependence in activities of daily living (modified Rankin Scale, mRS = 3-4)
  • Clinically stable for VNS implantation

Exclusion Criteria:

  • No capacity to consent to the study
  • History of stroke
  • History of cognitive disorder or other neurodegenerative disorder
  • History of epilepsy treated by VNS
  • History of brain tumors (primary or metastatic)
  • Requires diathermy
  • Pregnant
  • Previously implanted vagus nerve stimulator
  • Extensive prior neck surgery preventing dissection of the vagus nerve
  • History of severe spasticity, vagus nerve damage, or hearing loss

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: VNS Group
Group to be implanted with VNS devices
Group will be implanted with VNS device for chronic TBI

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Participants With Device- or Procedure-Related Adverse Events
Tidsramme: 6 Weeks
Adverse events related to VNS device implantation or stimulation will be recorded and graded using CTCAE v5.0.
6 Weeks
Change in Upper Limb Range of Motion as Assessed by SeeMe Movement Analysis
Tidsramme: 6 Weeks
Video-based kinematic analysis of upper limb range of motion, comparing baseline (pre-surgery) to post-training (6 weeks after VNS-paired rehabilitation).
6 Weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in Disability Rating Scale (DRS) Score
Tidsramme: 1 Year
RS score (range 0 [no disability] to 29 [extreme vegetative state]; lower scores indicate better outcome). Magnitude of change will be used to estimate effect size for power calculation in a future multicenter randomized trial.
1 Year
Change in Coma Recovery Scale-Revised (CRS-R) Score
Tidsramme: 6 Weeks
CRS-R total score (range 0-23; higher scores indicate better neurobehavioral function), comparing baseline to post-training.
6 Weeks
Change in Wolf Motor Function Test (WMFT) Performance Time
Tidsramme: 6 Weeks
Time (seconds) to complete standardized WMFT tasks; lower time indicates better function. Comparing baseline to post-training.
6 Weeks
Change in Fugl-Meyer Assessment Upper Extremity (FMA-UE) Score
Tidsramme: 6 Weeks
FMA-UE score (range 0-66; higher scores indicate better motor function), comparing baseline to post-training.
6 Weeks
Change in Motor Activity Log (MAL) Score
Tidsramme: 1 Year
MAL Amount of Use and Quality of Movement subscales (range 0-5 each; higher scores indicate better real-world arm use).
1 Year
Change in EQ-5D-5L Index Score
Tidsramme: 1 Year
EQ-5D-5L index score (range 0 [death] to 1 [full health]; higher scores indicate better quality of life).
1 Year

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. januar 2027

Primær færdiggørelse (Anslået)

1. december 2030

Studieafslutning (Anslået)

1. december 2031

Datoer for studieregistrering

Først indsendt

26. juni 2026

Først indsendt, der opfyldte QC-kriterier

17. juli 2026

Først opslået (Faktiske)

22. juli 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

22. juli 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. juli 2026

Sidst verificeret

1. juni 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • Q251552

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med VNS for TBI group

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