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MRI-Guided Temporal Interference Stimulation for Parkinson's Disease

14. september 2026 oppdatert av: Tang Zhouping, Tongji Hospital

Efficacy of MRI-Guided Transcranial Temporal Interference Electrical Stimulation (tTIS) Modulation for Parkinson's Disease: An Exploratory Study

This study aims to evaluate the efficacy and safety of tTIS treatment in patients with Parkinson's disease (PD). The study will enroll eligible PD patients and randomly assign them to two groups: Group A will first receive combined GPi and STN stimulation, followed by GPi stimulation one week later; Group B will first receive GPi stimulation, followed by combined GPi and STN stimulation one week later. The MDS-UPDRS Part III will be assessed at pre-stimulation baseline, immediately after stimulation, and at 30 and 60 minutes post-stimulation for each session, in order to evaluate and compare the therapeutic effects of tTIS targeting GPi alone versus combined GPi and STN stimulation on motor symptoms in PD patients, and to assess the differential efficacy of tTIS at different targets among PD patients with varying symptoms.

Studieoversikt

Status

Har ikke rekruttert ennå

Studietype

Intervensjonell

Registrering (Antatt)

26

Fase

  • Ikke aktuelt

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Age 18-75 years (inclusive), any gender.
  • Diagnosis of idiopathic Parkinson's disease according to the Chinese diagnostic criteria for Parkinson's disease (2016 edition).
  • Hoehn and Yahr stage 2-4 (inclusive) during the "off" state.
  • Documented response to levodopa (>33% improvement), with a stable anti-parkinsonian medication regimen for at least 4 weeks prior to screening, and no dose adjustments during the study.
  • Voluntary signed informed consent, and ability to understand and comply with the study protocol to complete the study.
  • No significant cognitive impairment (Montreal Cognitive Assessment [MoCA] score ≥21).

Exclusion Criteria:

Inability or unwillingness to comply with the study protocol and/or inability to provide written informed consent;

Presence of a significant medical condition that may interfere with study procedures or confound the assessment of study endpoints;

Presence of a severe psychiatric disorder that may affect the participant's ability to comply with the study protocol;

A history of psychiatric disorders or current severe depression or anxiety;

Presence of metallic implants in the brain;

Known pregnancy or current breastfeeding;

Severe neurological disorders, such as a brain tumor;

Severe cardiac disease, including the presence of an implanted cardiac pacemaker;

Scalp lesions, inflammation, infection, active bleeding, or an increased bleeding tendency;

Any other current medical condition for which the use of transcranial electrical stimulation may pose an unacceptable risk;

A history of epilepsy or structural brain lesions, including severe cerebral atrophy or cerebrovascular disease;

Inability to undergo magnetic resonance imaging (MRI), such as because of claustrophobia or implanted metallic devices;

Inability to cooperate with or complete the required assessments; or any other condition that, in the investigator's judgment, makes the individual unsuitable for participation in the study.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Trippel

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Aktiv komparator: Experimental group A
Patients in this group receive individualized targeting based on MRI head modeling. During the medication-off period, they first undergo 130 Hz combined GPi and STN stimulation (GPi+STN), and one week later, they undergo 130 Hz GPi stimulation alone.
All participants will receive individualized T1-weighted MRI scans for computational modeling to determine optimized electrode placement and stimulation parameters for transcranial temporal interference stimulation targeting the subthalamic nucleus. The stimulation protocol is designed to generate a focal 130 Hz interference field in the target region while minimizing cortical activation. Parameters including electrode positions and current intensity are customized based on each participant's unique neuroanatomy to ensure precise and tailored neuromodulation.
Aktiv komparator: Experimental group B
Patients in this group receive individualized targeting based on MRI head modeling. During the medication-off period, they first undergo 130 Hz GPi stimulation alone, and one week later, they undergo 130 Hz combined GPi and STN stimulation (GPi+STN).
All participants will receive individualized T1-weighted MRI scans for computational modeling to determine optimized electrode placement and stimulation parameters for transcranial temporal interference stimulation targeting the subthalamic nucleus. The stimulation protocol is designed to generate a focal 130 Hz interference field in the target region while minimizing cortical activation. Parameters including electrode positions and current intensity are customized based on each participant's unique neuroanatomy to ensure precise and tailored neuromodulation.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Score on Part III (Motor Examination) of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS)
Tidsramme: at pre-stimulation baseline, immediately after stimulation, and at 30 and 60 minutes post-stimulation
The motor function of patients was assessed using Part III of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS-III), which has a total score range of 0 to 132. In this scale, a higher score indicates greater severity of motor symptoms and therefore a worse outcome, with 0 representing no impairment and 132 representing the most severe impairment. Changes in the score reflect the degree of improvement in motor function.
at pre-stimulation baseline, immediately after stimulation, and at 30 and 60 minutes post-stimulation

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
The incidence of SAE
Tidsramme: From the first stimulation session until the end of the study follow-up period (each stimulation session lasts for 30 minutes; total study duration including follow-up is 3 weeks). SAEs will be monitored and recorded continuously throughout this period.
The incidence of SAE
From the first stimulation session until the end of the study follow-up period (each stimulation session lasts for 30 minutes; total study duration including follow-up is 3 weeks). SAEs will be monitored and recorded continuously throughout this period.
All-cause mortality
Tidsramme: 1month after randomization
All-cause mortality
1month after randomization

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

15. september 2026

Primær fullføring (Antatt)

10. juni 2027

Studiet fullført (Antatt)

10. juni 2027

Datoer for studieregistrering

Først innsendt

14. september 2026

Først innsendt som oppfylte QC-kriteriene

14. september 2026

Først lagt ut (Faktiske)

18. september 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

18. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

14. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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