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Temporal Interferensstimulering af motorsymptomer ved Parkinsons sygdom

28. maj 2026 opdateret af: Yu Liu, Shanghai University of Sport

Effekter og mekanismer af ikke-invasiv dyb hjerne-stimulering hos patienter med Parkinsons sygdom

Formålet med denne kliniske undersøgelse er at undersøge, om en type hjernestimulering kaldet transkraniel temporal interferensstimulering (TIS) af den indre globus pallidus (GPi) kan hjælpe med at forbedre bevægelsessymptomer hos personer med Parkinsons sygdom. Studiet vil også undersøge, hvordan TIS ændrer hjerneaktivitet i forbindelse med disse forbedringer.

De vigtigste spørgsmål, som dette studie sigter mod at besvare, er:

  • Hvor meget kan gentagne TIS-sessioner forbedre bevægelsessymptomer hos personer med Parkinsons sygdom?
  • Kan disse forbedringer vare i op til to måneder efter behandlingen slutter?
  • Hvilke ændringer i hjerneaktivitet sker sammen med forbedringerne?

Forskere vil sammenligne personer, der modtager aktiv TIS, med dem, der modtager sham (placebolignende) stimulering for at se, om aktiv TIS fører til bedre bevægelsesresultater.

Deltagere vil:

  • Modtage 10 sessioner med aktiv eller sham TIS over to uger
  • Udføre bevægelsesvurderinger i løbet af de to ugers behandling og igen 2, 4 og 8 uger efter
  • Udføre hjerneaktivitetsvurderinger før og efter de to ugers behandling

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

37

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiekontakt

Studiesteder

    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, Kina, 200438
        • Shanghai University of Sport

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

Inklusionskriterier:

  • En lægediagnosticeret idiopatisk Parkinsons sygdom (PD) i henhold til Movement Disorder Society (MDS) diagnostiske kriterier, med debut efter 40-års alderen.
  • Stabil antiparkinson-medicinbehandling, inklusive levodopa-indeholdende terapi, uændret i mindst 4 uger før og under forsøget.
  • Hoehn og Yahr (H&Y) stadier 1,5 til 3 og evne til at gå uden hjælp.
  • Fravær af demens, defineret som en Montreal Cognitive Assessment (MoCA) score ≥ 21.

Eksklusionskriterier:

  • Enhver kontraindikation for MR-scanning eller transkraniel temporal interferensstimulering (TIS), herunder klaustrofobi, metalliske implantater i hovedet eller hjertet, eller en historie med elektrokonvulsiv terapi.
  • Nuværende brug af antipsykotisk, antidepressiv eller anden dopaminmodulerende medicin.
  • Tilstedeværelse af ortopædiske tilstande, der kan forstyrre motorvurderinger, såsom artrose eller ny ortopædisk kirurgi (inden for de sidste 6 måneder).
  • Historie med lægediagnosticeret alvorlig psykisk sygdom.
  • Lægediagnosticeret kardiovaskulære risici, der kunne kontraindicere motion eller deltagelse i undersøgelsen.
  • Tidligere historie med dyb hjernestimulering (DBS) kirurgi.

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: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: TIS Group
Deltagerne i denne arm vil modtage aktiv transkraniel temporal interferensstimulering rettet mod den indre globus pallidus over en to-ugers interventionsperiode.
Transcranial temporal interferensstimulering (TIS) er en ikke-invasiv hjernestimuleringsteknik, der leverer to højfrekvente vekselstrømme gennem skalpelektroder for at generere et lavfrekvent interferensfelt i dybe hjerneområder. I denne undersøgelse målretter TIS den indre globus pallidus (GPi) for at modulere neural aktivitet hos personer med Parkinsons sygdom. Deltagerne modtager 10 stimulationssessioner over to uger. Den falske TIS-betingelse bruger den samme opsætning, men anvender lavfrekvente strømme uden at generere et interferensmønster.
Sham-komparator: Sham Group
Participants in this arm will receive sham transcranial temporal interference stimulation using the same electrode placement and experimental setup as the active intervention. However, both electrode pairs delivered currents at 2000 Hz without a frequency offset, resulting in a flat interference envelope while maintaining similar scalp sensations. The sham procedure consists of 10 sessions delivered over a two-week period, without therapeutic stimulation.
Transcranial temporal interferensstimulering (TIS) er en ikke-invasiv hjernestimuleringsteknik, der leverer to højfrekvente vekselstrømme gennem skalpelektroder for at generere et lavfrekvent interferensfelt i dybe hjerneområder. I denne undersøgelse målretter TIS den indre globus pallidus (GPi) for at modulere neural aktivitet hos personer med Parkinsons sygdom. Deltagerne modtager 10 stimulationssessioner over to uger. Den falske TIS-betingelse bruger den samme opsætning, men anvender lavfrekvente strømme uden at generere et interferensmønster.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale-III (MDS-UPDRS III) Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change in motor symptoms assessed using the Movement Disorder Society-Unified Parkinson's Disease Rating Scale-III (MDS-UPDRS III). The total score ranges from 0 to 132, with higher scores indicating more severe motor impairment (worse outcome).
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Participants With a ≥5-point Reduction From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale-III (MDS-UPDRS III) Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
A responder was defined as a participant with a reduction of at least 5 points from baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS III) total score. Scores range from 0 to 132, with higher scores indicating more severe motor impairment; therefore, a reduction in score indicates improvement.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale-I (MDS-UPDRS I) Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change in non-motor symptoms assessed using the Movement Disorder Society-Unified Parkinson's Disease Rating Scale-I (MDS-UPDRS I) (Non-Motor Experiences of Daily Living). The total score ranges from 0 to 52, with higher scores indicating more severe non-motor symptoms (worse outcome).
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale-II (MDS-UPDRS II) Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change in motor symptoms affecting daily living assessed using the Movement Disorder Society-Unified Parkinson's Disease Rating Scale-II (MDS-UPDRS II) (Motor Experiences of Daily Living). The total score ranges from 0 to 52, with higher scores indicating more severe motor difficulties in daily living (worse outcome).
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Epworth Sleepiness Scale Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change in daytime sleepiness assessed using the Epworth Sleepiness Scale . The Epworth Sleepiness Scale is a self-administered questionnaire consisting of 8 items, with total scores ranging from 0 to 24, where higher scores indicate greater daytime sleepiness (worse outcome).
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Sleep Scale-2 Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.

Change in sleep disturbances assessed using the Parkinson's Disease Sleep Scale-2.

The Parkinson's Disease Sleep Scale-2 is a patient-reported questionnaire consisting of 15 items, with total scores ranging from 0 to 60, where higher scores indicate more severe sleep disturbances (worse outcome).

Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Gait Performance Measures
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.

Changes in gait performance will be assessed using an instrumented gait mat during single-task and dual-task walking conditions.

Spatiotemporal gait parameters, including gait speed, step length, stride length, step width, cadence, and gait variability, will be collected during standardized walking trials.

Improvements in gait performance are indicated by increased gait speed, longer step and stride length, and reduced gait variability under both single-task and dual-task conditions.

Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Balance Performance Measures
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.

Changes in balance performance will be assessed using a force platform during standardized standing balance tasks.

Center of pressure (COP) parameters, including COP path length, sway area, and sway velocity, will be derived from force platform recordings to quantify postural stability.

Improved balance performance is indicated by reduced COP displacement, smaller sway area, and lower sway velocity.

Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Magnetic Resonance Imaging (MRI) Measures
Tidsramme: Baseline and immediately after the intervention

Changes in brain structure and/or function will be assessed using magnetic resonance imaging (MRI).

MRI data will be acquired to evaluate intervention-related changes in brain regions associated with motor control. Imaging-derived measures may include structural and functional metrics obtained from standardized MRI protocols.

Baseline and immediately after the intervention
Change From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III-bradykinesia Subscore
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the bradykinesia subscore of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS III). The total bradykinesia subscore ranges from 0 to 48, with higher scores indicating more severe bradykinesia.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III-rigidity Subscore
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the rigidity subscore of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS III). The total rigidity subscore ranges from 0 to 20, with higher scores indicating more severe rigidity.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III-axial Subscore
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the axial signs subscore of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS III). The total axial signs subscore ranges from 0 to 20, with higher scores indicating more severe axial motor impairment.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III-tremor Subscore
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the tremor subscore of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS III). The total tremor subscore ranges from 0 to 40, with higher scores indicating more severe tremor.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in the Home Diary Assessment of Motor States (Medication-ON Without Dyskinesia)
Tidsramme: Baseline, weekly averages during weeks 1 and 2 of the intervention

The motor state will be recorded by participants using a self-completed home diary during waking hours in 30-minute intervals from awakening until bedtime. For each interval, participants will record one of the following motor states: ON with good control, ON with mild dyskinesia, ON with severe dyskinesia, or OFF.

Baseline assessment will be defined as the average percentage of waking time spent in ON states over three consecutive days immediately prior to the intervention. The 1-week assessment will be defined as the average percentage of waking time spent in ON states over the five intervention days of the first intervention week, and the 2-week assessment as the average over the five intervention days of the second intervention week.

The outcome measure is defined as the percentage of total recorded waking time spent in ON states, calculated from the home diary data. A higher percentage of time spent in ON states indicates milder motor symptoms and better motor control.

Baseline, weekly averages during weeks 1 and 2 of the intervention
Change From Baseline in the Home Diary Assessment of Motor States (Medication-OFF)
Tidsramme: Baseline, weekly averages during weeks 1 and 2 of the intervention

The motor state will be recorded by participants using a self-completed home diary during waking hours in 30-minute intervals from awakening until bedtime. For each interval, participants will record one of the following motor states: ON with good control, ON with mild dyskinesia, ON with severe dyskinesia, or OFF.

Baseline assessment will be defined as the average percentage of waking time spent in the Medication-OFF state over three consecutive days immediately prior to the intervention. Week 1 and Week 2 assessments will be calculated as the average percentage of waking time spent in the Medication-OFF state over the five intervention days of each intervention week.

The outcome measure is defined as the percentage of total recorded waking time spent in the Medication-OFF state, calculated from the home diary data. A lower percentage of time spent in the Medication-OFF state indicates milder motor symptoms and better motor control.

Baseline, weekly averages during weeks 1 and 2 of the intervention
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Summary Index
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change in quality of life assessed using the Parkinson's Disease Questionnaire-39 (PDQ-39). The PDQ-39 consists of 39 items across 8 domains, with total scores ranging from 0 to 100, where higher scores indicate poorer health-related quality of life (worse outcome).
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Mobility Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the mobility domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer mobility-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Activities of Daily Living Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the activities of daily living domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer activities of daily living-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Emotional Well-being Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the emotional well-being domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer activities of emotional well-being-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Stigma Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the stigma domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer activities of stigma-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Social Support Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the social support domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer activities of social support-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Cognitions Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the cognitions domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer activities of cognitions-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Communication Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the communication domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer activities of communication-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Bodily Discomfort Domain Score
Tidsramme: Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.
Change from baseline in the bodily discomfort domain score of the Parkinson's Disease Questionnaire-39 (PDQ-39), a disease-specific measure of health-related quality of life in Parkinson's disease. Domain scores were standardized to a scale from 0 to 100, with higher scores indicating poorer activities of bodily discomfort-related quality of life.
Baseline, immediately after 1 and 2 weeks of intervention, 2 weeks, 4 weeks, and 8 weeks after intervention.

Samarbejdspartnere og efterforskere

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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)

29. december 2025

Primær færdiggørelse (Faktiske)

15. april 2026

Studieafslutning (Faktiske)

15. april 2026

Datoer for studieregistrering

Først indsendt

15. november 2025

Først indsendt, der opfyldte QC-kriterier

28. december 2025

Først opslået (Faktiske)

30. december 2025

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

24. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 102772024RT146

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