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Clinical Study of the Efficacy and Safety of Spinal Cord Stimulation in Patients With Limb Motor Dysfunction Following Stroke

31. maj 2026 opdateret af: Second Affiliated Hospital, School of Medicine, Zhejiang University
To assess the efficacy and safety of spinal cord stimulation in treating post-stroke limb motor disorders, we propose to conduct a clinical trial. This study seeks to accumulate additional clinical experience with spinal cord stimulation in patients suffering from post-stroke limb motor disorders and to enhance their quality of life.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

6

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiekontakt

Studiesteder

  • Kina
    • Zhejiang
      • Hangzhou, Zhejiang, Kina, 310009
        • Rekruttering
        • The Second Affiliated Hospital, Zhejiang University School of Medicine
        • Kontakt:

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:

  1. Hemiparesis resulting from a single ischemic or hemorrhagic stroke, with a disease duration of ≥6 months.
  2. Aged between 20 and 80 years (inclusive).
  3. Received regular rehabilitation therapy after stroke but with poor recovery of limb motor function; Fugl-Meyer Assessment upper extremity score >7 and <45, and lower extremity score >5 and <30.
  4. Partially preserved sensory function.

Exclusion Criteria:

  1. Severe systemic diseases (e.g., neurological disorders other than stroke, cancer, severe circulatory or respiratory diseases, liver or kidney failure, etc.) or other conditions that may impair the subject's motor or cognitive function.
  2. Presence of spinal cord-related nerve compression that could cause severe functional impairment.
  3. Women who are pregnant or breastfeeding.
  4. Use of anticoagulant, antiplatelet, antispasmodic, or antiepileptic medications prior to enrollment or during the study period.
  5. Severe joint contracture that, in the clinical investigator's opinion, precludes participation in the study.
  6. Severe mental illness or intellectual disability that prevents cooperation with treatment or follow-up questionnaires, with a Mini-Mental State Examination (MMSE) score <24.
  7. Presence of other implanted medical devices.
  8. Severe claustrophobia.

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: spinal cord stimulation group
Enhed: Spinal cord stimulator
This trial is a single-arm, self-controlled exploratory clinical study. Participants will undergo surgical implantation of spinal cord stimulation electrodes and receive programming and optimization of spinal cord stimulation parameters.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Fugl-Meyer Assessment (FMA)
Tidsramme: One year
One year

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Active and passive range of motion (A/PROM)
Tidsramme: One year
One year
Surface electromyography (sEMG):Mean amplitude
Tidsramme: One year
Mean surface electromyography (sEMG) amplitude, measured in microvolts (µV), will be derived from recordings of lower-limb muscles, including the tibialis anterior, gastrocnemius, quadriceps femoris, and biceps femoris. Recordings will be obtained during standardized lower-limb motor tasks or voluntary muscle contractions. Measurements will be analyzed separately for each muscle and, where applicable, for each side. This parameter will be used to assess changes in lower-limb muscle activation after spinal cord stimulation. Higher values indicate greater muscle activation.
One year
Modified Ashworth Scale (MAS)
Tidsramme: One year
The Modified Ashworth Scale (MAS) will be used to assess muscle tone and spasticity in lower-limb muscle groups, including hip flexors, hip extensors, hip adductors, hip abductors, knee flexors, knee extensors, ankle plantar flexors, and ankle dorsiflexors. MAS grades range from 0 to 4, with an additional intermediate grade of 1+. For statistical analysis, MAS grades may be converted to a 0-5 ordinal score, where 0 indicates no increase in muscle tone and 5 indicates that the affected limb is rigid in flexion or extension. Higher scores indicate greater muscle tone and more severe spasticity. Scores will be assessed separately for each side and compared across baseline and follow-up assessments.
One year
TMS-MEP:Amplitude and Waveform morphology
Tidsramme: One year
Motor evoked potential (MEP) amplitude and waveform morphology will be assessed from transcranial magnetic stimulation-induced MEP recordings of lower-limb muscles, including the tibialis anterior, gastrocnemius, quadriceps femoris, and biceps femoris. MEP amplitude will be measured as the peak-to-peak amplitude, measured in microvolts (µV) or millivolts (mV), according to the study protocol. The presence, reproducibility, and morphology of the MEP waveform will also be evaluated. Measurements will be analyzed separately for each muscle and, where applicable, for each side. These parameters will be used to evaluate changes in corticospinal excitability and motor pathway function after spinal cord stimulation.
One year

Samarbejdspartnere og efterforskere

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

Sponsor

Second Affiliated Hospital, School of Medicine, Zhejiang University

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 (Faktiske)

1. januar 2026

Primær færdiggørelse (Anslået)

1. januar 2028

Studieafslutning (Anslået)

1. januar 2028

Datoer for studieregistrering

Først indsendt

24. maj 2026

Først indsendt, der opfyldte QC-kriterier

31. maj 2026

Først opslået (Faktiske)

4. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

4. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

31. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 2025-1186

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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