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Efficacy of Repetitive Transcranial Magnetic Stimulation for Improving Depressive Symptoms in Patients With Parkinson's Disease

28 kwietnia 2026 zaktualizowane przez: Ho-Won Lee

Efficacy of Repetitive Transcranial Magnetic Stimulation for Improving Depressive Symptoms in Patients With Parkinson's Disease : A Single-Center, Randomized, Single-Blinded, Sham-Controlled, Parallel-Design, Investigator-Initiated Exploratory Clinical Trial

The purpose of this study is to evaluate the efficacy of repetitive transcranial magnetic stimulation (rTMS) in improving depressive symptoms in patients with Parkinson's Disease (PD).

Participants will be randomly assigned to either an active rTMS group or a sham-control group.

The study aims to establish an optimal treatment protocol using a neuronavigation system and to validate treatment responses through various digital biomarkers such as facial expression analysis and eye-tracking.

Przegląd badań

Status

Rejestracja na zaproszenie

Warunki

Interwencja / Leczenie

Typ studiów

Interwencyjne

Zapisy (Szacowany)

50

Faza

  • Nie dotyczy

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Lokalizacje studiów

  • Korea Południowa
    • Buk-gu
      • Daegu, Buk-gu, Korea Południowa, 41404
        • Kyungpook National University Chilgok Hospital

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

  • Dorosły
  • Starszy dorosły

Akceptuje zdrowych ochotników

Nie

Opis

Inclusion Criteria:

  • Willing and able to provide written informed consent
  • Male or female aged 40 to 90 years
  • Diagnosed with Parkinson's disease with depressive symptoms
  • Hoehn and Yahr stage 1 to 3
  • On stable Parkinson's disease medication for at least 3 months prior to screening, with no planned dose increase during the study period
  • BDI-II score ≥ 14 (mild depression) or ≥ 20 (moderate depression)
  • Able to read and write Korean and capable of independently completing questionnaires

Exclusion Criteria:

  • History of epilepsy
  • Parkinson's disease caused by cerebrovascular disease, CNS infection, intoxication, or traumatic brain injury
  • Diagnosed with Parkinson-plus syndromes (multiple system atrophy, progressive supranuclear palsy, corticobasal degeneration, dementia with Lewy bodies etc.)
  • Clinically significant abnormal laboratory values (AST, ALT, or total bilirubin > 2.5 x ULN)
  • Diagnosed with psychiatric disorders
  • Unable to follow instructions or communicate
  • Pregnant, breastfeeding, or women of childbearing potential
  • Febrile patients
  • Patients with artificial hip joint implants
  • Presence of conductive, ferromagnetic, or magnetically sensitive metal near the head or treatment coil (e.g., cochlear implants, implanted electrodes/stimulators, aneurysm clips or coils)
  • Cardiac disease, especially patients with pacemakers
  • Corrected or uncorrected visual acuity less than 0.5
  • Use of drug infusion pumps or hearing aids
  • Patients with acute illness
  • Patients taking tricyclic antidepressants, neuroleptics, or other medications that may lower seizure threshold
  • History of increased intracranial pressure or head trauma
  • Evidence of external wounds on brain or neck
  • Prominent psychotic symptoms other than depression (high NPI scores for hallucinations, delusions, mania)
  • History of schizophrenia, bipolar disorder, or substance abuse
  • Suicidal ideation (BDI-II item 9 score of 2 or 3)
  • History of or planned deep brain stimulation or stereotactic surgery (pallidotomy, thalamotomy)
  • Any participant deemed ineligible by the investigator, including those with medical conditions that may increase risk or interfere with study evaluation
  • Currently enrolled in another clinical trial or used investigational drug/device within 30 days or 5 half-lives prior to consent

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Randomizowane
  • Model interwencyjny: Przydział równoległy
  • Maskowanie: Podwójnie

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Eksperymentalny: Real rTMS
Participants receive active repetitive transcranial magnetic stimulation (rTMS) to bilateral primary motor cortex (M1), guided by neuronavigation (BrainEyes). Stimulation is delivered at 10 Hz, 90% of resting motor threshold (RMT), 1,000 pulses per session, once daily for 5 consecutive weekdays. Participants continue their existing Parkinson's disease medication throughout the study.
Urządzenie: Repetitive Transcranial Magnetic Stimulation (rTMS)
High-frequency rTMS is delivered to bilateral primary motor cortex (M1) using neuronavigation guidance (BrainEyes). Parameters: 10 Hz, 90% of resting motor threshold (RMT), 50 pulses per train, 55-second inter-train interval, 20 trains per session, 1,000 pulses per session, once daily for 5 consecutive weekdays.
Pozorny komparator: Sham rTMS
Participants receive sham repetitive transcranial magnetic stimulation (rTMS) to bilateral primary motor cortex (M1), guided by neuronavigation (BrainEyes). The coil is tilted 90 degrees perpendicular to the scalp so that no magnetic field is delivered to the cortex. The same click sound and scalp sensation are maintained to preserve participant blinding. The session parameters are identical to the active rTMS group (10 Hz, 1,000 pulses per session, once daily for 5 consecutive weekdays). Participants continue their existing Parkinson's disease medication throughout the study.
Urządzenie: Sham Repetitive Transcranial Magnetic Stimulation (Sham rTMS)
Sham rTMS is delivered with the coil tilted 90 degrees perpendicular to the scalp to prevent magnetic field delivery to the cortex. The same click sound and scalp sensation are maintained. Session parameters are identical to active rTMS group.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Beck Depression Inventory-II (BDI-II)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Self-reported measure of depressive symptom severity consisting of 21 items rated on a 4-point Likert scale. Higher scores indicate greater depression severity.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Neuropsychiatric Inventory (NPI)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Caregiver-rated assessment of neuropsychiatric symptoms in Parkinson's disease patients, covering 12 domains including mood, apathy, anxiety, and psychosis. Each domain rated by frequency (1-4) and severity (1-3).
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Parkinson's Disease Questionnaire-39 (PDQ-39)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Disease-specific questionnaire assessing quality of life in Parkinson's disease patients across 8 domains: mobility, activities of daily living, emotional well-being, stigma, social support, cognition, communication, and bodily discomfort. Scores range from 0 to 100; higher scores indicate worse quality of life.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Unified Parkinson's Disease Rating Scale (UPDRS)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Comprehensive clinician-administered scale assessing motor and non-motor symptoms of Parkinson's disease across 6 subscales: non-motor experiences of daily living, motor experiences of daily living, motor examination, motor complications, Hoehn and Yahr staging, and Schwab and England ADL scale. Higher scores indicate greater disease severity.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Parkinson's Disease Sleep Scale (PDSS)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Self-reported scale assessing sleep disturbances in Parkinson's disease patients, consisting of 15 items rated on a 5-point Likert scale (0-4). Covers three domains: nocturnal motor symptoms, PD-specific nocturnal symptoms, and sleep-specific disturbances. Higher scores indicate more frequent sleep disturbances.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Toronto Alexithymia Scale-20 Korean Version (TAS20-K)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Korean validated version of the Toronto Alexithymia Scale consisting of 20 items rated on a 5-point Likert scale, assessing three factors: difficulty identifying feelings (DIF), difficulty describing feelings (DDF), and externally oriented thinking (EOT). Higher total scores indicate greater alexithymia.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Montreal Cognitive Assessment (MoCA)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Brief cognitive screening tool assessing multiple cognitive domains including attention, concentration, executive functions, memory, language, visuoconstructional skills, conceptual thinking, calculations, and orientation. Scores range from 0 to 30; higher scores indicate better cognitive function.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Facial Expression Analysis (FaceReader)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Automated facial expression analysis using FaceReader software to quantitatively assess facial action units (AUs) and emotional expression patterns. Participants perform facial emotion recognition and imitation tasks. Measures include response speed, latency, accuracy, and facial expression accuracy based on Action Unit analysis.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Eye Movement Assessment (Eye-tracking)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Quantitative assessment of eye movements using screen-based Tobii Pro Spark. Measures include gaze speed, gaze position, gaze duration, gaze latency, and pupil size during task performance, providing objective evaluation of oculomotor function.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Electromyography (EMG)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Muscle activity is measured using DELSYS Trigno Avanti Sensor and Trigno Quattro Sensor attached to the skin with medical tape. Wireless measurement technology enables free movement during task performance, with real-time data collection via dedicated software.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Static Balance Assessment (BT4)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Quantitative assessment of postural stability using BT4 balance evaluation system, measuring center of pressure (COP) displacement during standing. Assesses limits of stability in anterior, posterior, and lateral directions, and COP movement during Romberg test under eyes-open and eyes-closed conditions.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Body Composition Analysis (InBody)
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Basic physical information is collected using InBody580 with 4-pole 8-point tactile electrode method. Bioelectrical impedance is measured across 3 frequency bands (5kHz, 50kHz, 250kHz) in 5 body segments (right arm, left arm, trunk, right leg, left leg), yielding 15 impedance measurements.
Change from Baseline (T0) at 1 week (T1) and 5 weeks (T2, 1-month follow-up)
Brain Structural and Functional MRI
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) after stimulation
Neuroimaging assessment of brain structure and function using MRI with three sequences: T1-weighted and T2-weighted structural imaging, and Diffusion Tensor Imaging (DTI) to assess white matter integrity and structural connectivity. Used to evaluate changes in brain structure before and after rTMS treatment, and to guide neuronavigation-based TMS targeting.
Change from Baseline (T0) at 1 week (T1) after stimulation
Blood-based biomarkers
Ramy czasowe: Change from Baseline (T0) at 1 week (T1) after stimulation
Quantitative measurement of candidate plasma biomarkers including Amyloid beta 40/42, Tau, phosphorylated Tau (p-Tau), and Neurofilament light chain (NfL) using antibody-based quantitative analysis methods (SIMOA, Luminex, or ELISA).
Change from Baseline (T0) at 1 week (T1) after stimulation

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Sponsor

Ho-Won Lee

Współpracownicy

Korea Brain Research Institute

Śledczy

  • Główny śledczy: Howon Lee, MD, Kyungpook National University Chilgok Hospital

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Szacowany)

4 maja 2026

Zakończenie podstawowe (Szacowany)

23 października 2026

Ukończenie studiów (Szacowany)

23 października 2026

Daty rejestracji na studia

Pierwszy przesłany

28 kwietnia 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

28 kwietnia 2026

Pierwszy wysłany (Rzeczywisty)

6 maja 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

6 maja 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

28 kwietnia 2026

Ostatnia weryfikacja

1 kwietnia 2026

Więcej informacji

Terminy związane z tym badaniem

Słowa kluczowe

Dodatkowe istotne warunki MeSH

Inne numery identyfikacyjne badania

  • KNUCH 2025-08-046-001

Plan dla danych uczestnika indywidualnego (IPD)

Planujesz udostępniać dane poszczególnych uczestników (IPD)?

NIE

Opis planu IPD

Individual participant data will not be publicly shared to protect the privacy of the participants. However, de-identified data may be available from the principal investigator upon reasonable request for research purposes, subject to institutional review board approval.

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

Te informacje zostały pobrane bezpośrednio ze strony internetowej clinicaltrials.gov bez żadnych zmian. Jeśli chcesz zmienić, usunąć lub zaktualizować dane swojego badania, skontaktuj się z register@clinicaltrials.gov. Gdy tylko zmiana zostanie wprowadzona na stronie clinicaltrials.gov, zostanie ona automatycznie zaktualizowana również na naszej stronie internetowej .

Badania kliniczne na Repetitive Transcranial Magnetic Stimulation (rTMS)

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