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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04137146
Other study ID # 2019 SNS for gait disturbance
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date September 1, 2019
Est. completion date May 31, 2021

Study information

Verified date October 2019
Source Ruijin Hospital
Contact Dianyou Li, MD
Phone +8613817864569
Email ldy11483@rjh.com.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Parkinson's disease (PD) is a progressive disease, characterized by dopaminergic neurons degeneration in the substantia nigra. Postural and gait disorders usually occur in advanced PD patients. However, existing drugs and deep brain stimulation (DBS) therapy are not effective enough for these axial symptoms or cannot maintain long-term efficacy, which seriously reduce patients' quality of life. Sacral nerve stimulation(SNS) is a treatment for urinary symptoms in PD. It has been reported that SNS can also improve PD gait disturbance, but the level of evidence currently is low. We assume that SNS may have a similar mechanism to spinal cord stimulation and may be an effective treatment for PD gait disorder. However, there are few studies on the mechanism of SNS treatment. Therefore, we will conduct a large sample, prospective case-control study to provide a higher level of clinical evidence for sacral nerve stimulation in the treatment of gait disturbance in PD. Our primary objective is to evaluate the efficacy of SNS for gait disorder in PD. PD patients who have received DBS surgery but still have severe gait problems will be included. This study will contribute to evaluate the efficacy of SNS for gait disorder in PD, provide level II evidence for expanding the indications of SNS, varicocelectomy., and improve patients' quality of life.


Recruitment information / eligibility

Status Recruiting
Enrollment 6
Est. completion date May 31, 2021
Est. primary completion date May 30, 2021
Accepts healthy volunteers No
Gender All
Age group 45 Years to 70 Years
Eligibility Inclusion Criteria:

- Idiopathic Parkinson's disease, Hoehn & Yahr stage (medication off condition) at 2~4;

- Gait and balance disorder, unstable posture, frequently falls (gaze and fall questionnaire (GFQ) score > 32) and severe dysuria, extremely affects quality of life (overactive bladder score (OABSS) =12);

- SCS eligibility has been confirmed by neurologist and neurosurgeon;

- Patients willingly seek surgical treatment for PD gait disturbance;

- Ability to perform a gait/walking task (under close supervision);

- Informed consent and have good compliance.

Exclusion Criteria:

- Lesion in spinal nerve or other surgical contraindications;

- Severe depression (Beck Depression Inventory scores > 25) or dementia (Mini Mental State Examination < 24);

- Medical history of stroke, amyotrophic lateral sclerosis or myasthenia gravis;

- Other neuropsychiatric disorders or relevant medical history;

- Taking prohibited medications (such as lithium, valproate, steroids, adrenergic agonists, etc.);

- Cardiac, renal or other important organs hypofunction or dysfunction, or unstable vital signs;

- Women reporting that they are pregnant;

- Any situation (medical, psychological, social, geographical, etc.) that may endanger patient's life or result in patients withdrawing from the study at present or in the future.

Study Design


Intervention

Device:
Sacral Nerve Stimulation
Implantation of a sacral nerve neurostimulation system: A single electrode (Interstim® model 3889-28; Medtronic, Minneapolis, MN) was inserted bilaterally into the sacral foramen (S3), connected to an internal pulse generator (Medtronic Interstim ® II 3058)

Locations

Country Name City State
China Functional neurosurgery of Shanghai jiaotong university affiliated Ruijin hospital Shanghai Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Ruijin Hospital

Country where clinical trial is conducted

China, 

References & Publications (1)

Zhang C, Wang L, Pan Y, Sun B, Nonnekes J, Bloem BR, Li D. Sacral nerve stimulation improves gait in Parkinson's disease. Brain Stimul. 2019 Jul - Aug;12(4):1075-1076. doi: 10.1016/j.brs.2019.03.074. Epub 2019 Apr 1. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Parameter changes in Timed Up and Go Test Patients should stand up from the chair, walk forward for 3m with daily speed, turn after passing the marked line, and then walk back to the chair and sit down, leaning back in the chair. Video recordings will be made throughout the test. Baseline (preoperative), during external test stimulation (1-14 days after electrode implantation), 3 months post-SNS
Secondary Changes in Uni?ed Parkinson's Disease Rating Scale Part ? (UPDRS ?) scores Uni?ed Parkinson's Disease Rating Scale Part ? (UPDRS ?) measures the motor severity of Parkinson's disease. UPDRS ? score has a range of 0 (no symptoms) to 132 (severe disease symptoms). Baseline (preoperative), 3 months post-SNS
Secondary Changes in Gait and Fall Questionnaire (GFQ) scores GFQ is a subjective scale for gait problems in the past 4 weeks. GFQ score has a range of 0 (no gait problems) to 64 (severe gait problems) Baseline (preoperative), 3 months post-SNS
Secondary Changes in Berg Balance scale (BBS) scores BBS measures patients' static and dynamic balance abilities. BBS score has a range of 0 (severe balance problems) to 56 (no balance problems). Baseline (preoperative), 3 months post-SNS
Secondary Changes in 8-item Parkinson's Disease Questionnaire (PDQ-8) scores PDQ-8 is a reliable and feasible tool for the assessment of quality of life in Parkinson's disease patients. Baseline (preoperative), 3 months post-SNS
Secondary Changes in EuroQol-5 Dimensions (EQ-5D) scores EQ-5D measures five dimensions of PD patients' quality of life: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Baseline (preoperative), 3 months post-SNS
Secondary Changes in Montreal cognitive assessment (MoCA) scores The MoCA is a widely used screening assessment for detecting cognitive impairment. MoCA score has a range of 0 (severe dementia) to 30 (cognitive intact). Baseline (preoperative), 3 months post-SNS
Secondary Changes in Voiding Diary The voiding diary recording the patient's daily fluid input and urinary output is a simple but effective tool for assessing storage symptoms. Baseline (preoperative), during external test stimulation (1-14 days after electrode implantation), 3 months post-SNS
Secondary Parameter changes in Dual task The protocol requires patient to walk along a walkway of 5 m between two retroreflective markers placed 0.5 m. They are asked to make a left or right turn of 360° around the marker before walking further. They are instruted to complete the task with or without a verbal cognitive color classification task. Baseline (preoperative), 3 months post-SNS
Secondary Parameter changes in Six-Minute Walking Test This test measures the distance that a patient can quickly walk on a flat, hard surface in a period of 6 minutes. Baseline (preoperative), 3 months post-SNS
Secondary Parameter changes in Rapid 360° Turn The test requires patients to make rapid 360° turns on the spot in both directions. Baseline (preoperative), 3 months post-SNS
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