NCT06012461

Brief Summary

Closed-loop DBS is an emerging neuromodulation pattern in Parkinson's disease with dyanmic adjustment of stimulation parameters to patients' disease fluctuations and state of activity. The purpose of this study is to verify the long-term safety and effectiveness of closed-loop DBS. Through comparing with open-loop DBS, the study also determine whether closed-loop DBS is more effective than conventional open-loop DBS on PD treatment.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
10

participants targeted

Target at below P25 for not_applicable parkinson-disease

Timeline
Completed

Started Jun 2023

Typical duration for not_applicable parkinson-disease

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 18, 2023

Completed
12 days until next milestone

Study Start

First participant enrolled

June 30, 2023

Completed
2 months until next milestone

First Posted

Study publicly available on registry

August 25, 2023

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2024

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2025

Completed
Last Updated

September 5, 2023

Status Verified

August 1, 2023

Enrollment Period

1.5 years

First QC Date

June 18, 2023

Last Update Submit

August 30, 2023

Conditions

Keywords

Parkinson DiseaseDeep Brain StimulationClosed-loop DBS

Outcome Measures

Primary Outcomes (3)

  • Movement disorders evaluation

    Using MDS-UPDRS III rating scale (0-132, the higher score means a worse outcome) and Rush dyskinesia rating scale (0-12, the higher score means a worse outcome) combined with IMU to evaluate the motor function improvement under both closed-loop DBS and open-loop DBS condition

    1-3 days

  • Sleep Structure Evaluation

    Using polysomnography evaluation (sleep efficiency,N1/N2/N3/REM/Wake after sleep onset duration and percentage,arousal index) and subjuective sleep quality rating scale to evaluate the sleep improvement under both closed-loop DBS and open-loop DBS condition

    1-3 nights

  • Diary Outcomes in Parkinson's Disease

    Using SCOPA-DC (0-87, the higher score means a worse outcome) to evaluate the diary outcomes under both closed-loop DBS and open-loop DBS condition

    1-3days

Secondary Outcomes (2)

  • Safety (Stimulation-related AEs) and Subjective Satisfactory

    1-3days

  • Total Electrical Energy Delivered to patients

    1-3days

Other Outcomes (2)

  • Neurophysiological changes of STN-LFP in daytime and sleep

    at 3,6,9,12,15 months compared to baseline

  • Functional connectivity changes during long-term DBS modulation

    at 3,6,9,12,15 months compared to baseline

Study Arms (1)

Bilateral STN DBS Modulation

EXPERIMENTAL

Participants will be implanted with bilateral STN DBS using PINS 106RS system. DBS stimulation will be initiated one month post surgery. Follow-up visits will be conducted 1/3/6/9/12/15 months post surgery with clinical evaluation, STN LFP recording and resting state functional MRI testing. During the 6-15 month's visit, short-term closed-loop DBS modulation (from 24hours to 72hours ) will be conducted to test the safety and efficacy of closed-loop DBS therapy.

Other: Closed-loop DBS stimulation for 24 hoursOther: Open-loop DBS stimulation for 24 hoursOther: Closed-loop DBS stimulation for 72 hoursOther: Open-loop DBS stimulation for 72 hours

Interventions

Continuous closed-loop modulation for 24 hours

Bilateral STN DBS Modulation

Continuous open-loop modulation for 24 hours

Bilateral STN DBS Modulation

Continuous closed-loop modulation for 72 hours

Bilateral STN DBS Modulation

Continuous open-loop modulation for 72 hours

Bilateral STN DBS Modulation

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Diagnosis of primary Parkinson's disease: Diagnosis of primary Parkinson's disease should meet the diagnostic criteria outlined in the "Diagnosis Standards for Parkinson's Disease in China" published in 2016 or the diagnostic criteria for primary Parkinson's disease by the International Parkinson and Movement Disorder Society (MDS) published in 2015.
  • Good response to levodopa combination therapy.
  • Significant reduction in drug efficacy or significant impact on the patient's quality of life due to prominent motor complications.
  • Intolerable adverse reactions to medication affecting its efficacy.
  • Presence of uncontrollable tremors despite medication.

You may not qualify if:

  • Patients who have undergone pallidotomy or other brain surgeries.
  • Patients with secondary Parkinson syndromes or Parkinson plus syndromes.
  • Patients with concurrent central nervous system and peripheral nervous system diseases.
  • Patients with severe systemic diseases, unstable vital signs, or those who cannot tolerate clinical assessments.
  • Patients with severe psychiatric disorders.
  • Patients who are unable to provide informed consent due to cognitive or communication impairments or those who refuse to sign the informed consent form.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Engineering Research Center of Neuromodulation

Beijing, Beijing Municipality, 100084, China

RECRUITING

MeSH Terms

Conditions

Parkinson Disease

Condition Hierarchy (Ancestors)

Parkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesMovement DisordersSynucleinopathiesNeurodegenerative Diseases

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

June 18, 2023

First Posted

August 25, 2023

Study Start

June 30, 2023

Primary Completion

December 30, 2024

Study Completion

December 30, 2025

Last Updated

September 5, 2023

Record last verified: 2023-08

Data Sharing

IPD Sharing
Will not share

Locations