NCT05997667

Brief Summary

The purpose of this clinical trial is to verify the efficacy and safety of rechargeable implantable deep brain stimulation (DBS) system for the treatment of advanced primary Parkinson's disease.

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
60

participants targeted

Target at P50-P75 for not_applicable parkinson-disease

Timeline
Completed

Started Jul 2023

Geographic Reach
1 country

7 active sites

Status
unknown

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 20, 2023

Completed
18 days until next milestone

First Submitted

Initial submission to the registry

August 7, 2023

Completed
11 days until next milestone

First Posted

Study publicly available on registry

August 18, 2023

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 20, 2025

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 20, 2025

Completed
Last Updated

August 18, 2023

Status Verified

August 1, 2023

Enrollment Period

1.5 years

First QC Date

August 7, 2023

Last Update Submit

August 15, 2023

Conditions

Keywords

Rechargeable implantable deep brain stimulation (DBS) systemParkinson's disease

Outcome Measures

Primary Outcomes (1)

  • Change in motor examination score evaluated using the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part Ⅲ in "med off" state relative to baseline

    MDS-UPDRS Part Ⅲ (MDS-UPDRS-Ⅲ) scores range from 0 to 132, higher scores mean a worse outcome.

    3 months after surgery

Secondary Outcomes (10)

  • Change in motor examination score evaluated using the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part Ⅲ in "med on" state relative to baseline

    3 months after surgery

  • Change in motor experiences of daily living score evaluated using the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part Ⅱ relative to baseline

    3 and 6 months after surgery

  • Change in non-motor experiences of daily living score evaluated using the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part Ⅰ relative to baseline

    3 and 6 months after surgery

  • Change in motor complications score evaluated using the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part Ⅳ relative to baseline

    3 and 6 months after surgery

  • Change in "ON" time and "OFF" time relative to the baseline

    3 and 6 months after surgery

  • +5 more secondary outcomes

Study Arms (2)

experimental group

EXPERIMENTAL

Subjects in this arm will receive stimulation of DBS system within 1 month after surgery.

Device: Rechargeable implantable deep brain stimulation system

control group

OTHER

Subjects in this arm will receive stimulation of DBS system at 3 months after surgery.

Device: Rechargeable implantable deep brain stimulation system

Interventions

The DBS system will be implanted in subjects in both study arms. Subjects in experimental group will receive stimulation of DBS system within 1 month after surgery.

experimental group

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years old, male or female;.
  • Primary PD (according to the UK Parkinson's Disease Society Brain Bank clinical diagnostic criteria for primary PD or Chinese diagnostic criteria for primary PD), with a duration of PD ≥ 4 years, and the improvement rate after an acute levodopa challenge test ≥ 30%; or primary PD, mainly characterized by tremor, the improvement of tremor by standardized drug treatment is not satisfactory and tremor is severe, which affects the patients' quality of life, after evaluation, duration can be relaxed to 3 years, the improvement rate of acute levodopa challenge test can be\<30%.
  • The use of levodopa once had good effects, but currently cannot satisfactorily control symptoms (significant decrease in efficacy or occurrence of fluctuations in motor function or motor dysfunction), which affects quality of life.
  • Good compliance, patients and their families have the willingness to participate in the clinical trial of "bilateral implantation surgery of nervous stimulation system", voluntarily participate in this trial and sign informed consent form, patients can follow up regularly, and can accurately complete of assessment items, or the family members, guardians, or caregivers may assist the patients.

You may not qualify if:

  • Severe cognitive impairment (MMSE score: illiterate\<17, elementary school\<20, junior high school or above\<24), poor compliance due to dementia, and/or inability to sign informed consent form
  • Patients with a history of severe mental illness and a Hamilton Depression Scale (HAMD) score\>24
  • Seizure history in the last 1 year
  • Patients with severe heart, liver and kidney diseases, severe hypertension and severe orthostatic hypotension that affect their health status.
  • Patients with severe diabetes or serious cardiovascular and cerebrovascular diseases that affect their health status
  • Confirmed malignant tumor
  • Patients with surgical contraindications (e.g., the presence of active implants (whether turned on or not), or the presence of non-active implants that may affect the deep brain stimulation system, stereotactic nucleus lesioning, etc.), or other surgical procedures within six months that the researchers believe have an impact on this trial, or other neurosurgery contraindications
  • Patients who have suffered a previous cranial neurological injury
  • Women who are pregnant or preparing for pregnancy
  • Patients with severe alcohol dependence and drug abuse
  • Patients who received electric shock therapy within 30 days before surgery
  • Patients who are abnormally sensitive to temperature or who are allergic to heat
  • Subjects who are currently participating in other clinical trials or have participated in other clinical studies that have not reached the primary endpoint within three months.
  • Patients who are not suitable to participate in this clinical study in the opinion of the investigator.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (7)

Xuanwu Hospital Capital Medical University

Beijing, Beijing Municipality, 100053, China

RECRUITING

The First Affiliated Hospital of Fujian Medical University

Fuzhou, Fujian, 350004, China

NOT YET RECRUITING

ZhuJiang Hospital of Southern Medical University

Guangzhou, Guangdong, 510260, China

NOT YET RECRUITING

Renmin Hospital of Wuhan University

Wuhan, Hubei, 430060, China

NOT YET RECRUITING

The Second Affiliated Hospital of Air Force Medical University

Xi'an, Shaanxi, 524001, China

NOT YET RECRUITING

West China Hospital of Sichuan University

Chengdu, Sichuan, 610044, China

NOT YET RECRUITING

The Second Affiliated Hospital Zhejiang University School of Medicine

Hangzhou, Zhejiang, 310003, China

NOT YET 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
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 7, 2023

First Posted

August 18, 2023

Study Start

July 20, 2023

Primary Completion

January 20, 2025

Study Completion

July 20, 2025

Last Updated

August 18, 2023

Record last verified: 2023-08

Locations