Status:

WITHDRAWN

An Open-label Clinical Trial to Compare the Safety and Effectiveness of Adaptive Versus Conventional Deep Brain Stimulation

Lead Sponsor:

Newronika

Conditions:

Parkinson Disease

Eligibility:

All Genders

55-95 years

Phase:

NA

Brief Summary

The clinical trial aims to evaluate the safety and effectiveness of bilateral subthalamic nucleus (STN) and Globus Pallidus internus (GPi) deep brain stimulation (DBS) with the AlphaDBS IPG System whe...

Detailed Description

This is an international multi-center (North America and Europe) clinical trial to evaluate the safety and effectiveness of bilateral STN and GPi DBS with the AlphaDBS IPG System when programmed in ad...

Eligibility Criteria

Inclusion

  • Patient is ≥55 years old
  • Patient has been diagnosed with levodopa-responsive idiopathic Parkinson's disease for ≥5 years
  • The disease stage is II, III or IV according to the Hoehn and Yahr scale
  • Patient has history of improvement of Parkinson's symptoms as a direct result of administering levodopa
  • PD-related symptoms are not adequately controlled with medication, including motor complications of recent onset (\>4 months duration)
  • Patient experiences persistent disabling PD-related symptoms or drug side effects (e.g., dyskinesia, motor fluctuations, or disabling "off periods") despite optimal medical therapy
  • Patient has been selected for bilateral STN or Gpi DBS, independently from this study, in accordance with local standard of care DBS screening
  • Patient has been selected to receive Medtronic leads model 3389 or 37086, independently from this study, in accordance with local standard of care DBS screening
  • Patient has DBS circuit integrity assessed and confirmed by impedance testing, before IPG implantation
  • ≥6 hours per day (waking hours) with poor motor symptoms control (time "OFF" plus time "ON" with dyskinesia) despite optimal medical therapy, as assessed by the 3-day diary
  • Montreal Cognitive Assessment (MoCA) \>26 in MedON condition
  • Beck Depression Inventory II (BDI-II) score \<17 in MedON condition
  • UPDRS-III improvement by ≥33% following intake of anti-parkinsonian medications
  • Patient is able to understand the study requirements and the treatment procedures and has provided written informed consent to participate
  • Patient is willing and capable of completing a 3-day diary and reaches a sufficient level of agreement (\> 75%) with study personnel responses
  • Patient has a responsible caregiver who will help completing the 3-day diary, provide feedback on activities of daily living (ADL), and ensure the patient complies with visit schedule
  • Patient is willing to maintain a constant anti-PD medication treatment (best medical management) for at least one month prior to study enrollment
  • Patient is willing and able to attend all study-required visits, complete the study procedures and attend appropriate follow up visits

Exclusion

  • Patient has contraindications for DBS surgery, including any intracranial abnormality (e.g., generalized atrophy, vascular malformation, hydrocephalus, hematoma, cavernous or venous angioma, tumor or metastases, midline shift, etc.) or metallic implant (e.g., aneurysm clip, cochlear implant, etc.)
  • Patient has a history of suicide attempt or current active suicidal ideation as determined by a positive response to Item 2-5 of suicide ideation sub-scale of the Columbia Suicide Severity Rating Scale (CSSR-S)
  • Patient has dementia, major depression, seizures, congestive heart failure, uncontrolled diabetes, dialysis, substance use disorders as described in DSM-V, or any other severe medical condition
  • Patient has any medical condition that could interfere with study procedures, confound the assessment of study endpoints, or prevent a proper data collection
  • Patient had confirmation of diagnosis of a terminal illness associated with survival \<12 months
  • Patient needs repeated MRI scans
  • Patient requires diathermy, transcranial magnetic stimulation (TMS), or electroconvulsive therapy (ECT)
  • Patient carries an electrical or electromagnetic implant (e.g., cochlear prosthesis, pacemaker, neurostimulator, etc.)
  • Patient has, or plans to obtain, an implanted electrical stimulation medical device and/or an implanted medication pump (e.g., DUOPATM infusion pump) and/or is treated with a portable infusion pump
  • Patient is on anticoagulant therapy which cannot be paused for \>5 days before IPG implant surgery
  • Patient with a history of cranial surgery including ablation procedure or any other previous neurosurgical procedure for the treatment of PD symptoms on either side of the brain
  • Patient is currently participating in another clinical study (excluding any sub-study of the present study)
  • Patient is a female who is breastfeeding or of child-bearing potential with a positive urine pregnancy test or not using adequate contraception.

Key Trial Info

Start Date :

August 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 31 2026

Estimated Enrollment :

Patients enrolled

Trial Details

Trial ID

NCT05262348

Start Date

August 1 2022

End Date

December 31 2026

Last Update

August 12 2024

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