NCT03982953

Brief Summary

The aim of the study is to improve estimation of cognitive outcome after STN-DBS in PD in order to

  • avoid risk factors by optimizing peri- and intraoperative management
  • personalize therapeutic strategies for optimal long-term benefit The investigators will test possible predictors (clinical, neuropsychological, neuroimaging, electrophysiological and molecular) for the risk of cognitive dysfunction after deep brain stimulation of the subthalamic nucleus (STN-DBS) in Parkinson's disease (PD) at a single center (Charité - Universitätsmedizin Berlin, Germany). Data collection takes place prior to as well as 3 and 12 months after the STN-DBS operation. Participation is proposed to all PD patients that are planned to undergo STN-DBS after careful examination of eligibility for this treatment according to standard operation procedures.

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 P25-P50 for all trials

Timeline
Completed

Started Jun 2019

Typical duration for all trials

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 9, 2019

Completed
3 days until next milestone

First Posted

Study publicly available on registry

June 12, 2019

Completed
Same day until next milestone

Study Start

First participant enrolled

June 12, 2019

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 10, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 10, 2022

Completed
Last Updated

May 7, 2021

Status Verified

May 1, 2021

Enrollment Period

3 years

First QC Date

June 9, 2019

Last Update Submit

May 5, 2021

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change in cognitive performance after STN-DBS

    Based on cognitive screening by paper pencil test (MoCA)

    Difference between pre- and 12 months postoperative testing

  • Incidence of postoperative neurocognitive disorder

    • According to DSM-5 criteria applying the tablet-based neuropsychological test battery Cambridge Neuropsychological Test Automated Battery (CANTAB connect)

    Difference between pre- and 3 and 12 months postoperative testing

Study Arms (2)

PD patients with STN-DBS

Patients with the diagnosis of Levodopa responsive idiopathic Parkinson's Disease that are planned to undergo craniectomy with implantation of bilateral DBS electrodes in the subthalamic nucleus

Controls - PD patients with medical treatment

Patients with the diagnosis of Levodopa responsive idiopathic Parkinson's Disease that do not undergo DBS for personal reasons or contraindications for this treatment. Age, sex and disease-severity matched with PD patients with STN-DBS.

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

PD patients that are planned to undergo STN-DBS. Possible contraindications to DBS are tested according to clinic-intern standard operation procedures. Tests include * Clinical scales: DemTect, MMST, ADL, MDS-UPDRS I-IV including video documentation of MDS-UPDRS III on and off dopaminergic medication * Questionnaires: expectations regarding DBS, PDQ39, BDI, Starkstein-Apathie-Skala, QUIP(-RS) * General examinations: Routine laboratory, ECG, TTE, Chest X-Ray, lung function, 24h-RR, Duplex sonography of extracranial arteries * Expert opinion from related fields: Neuropsychological exam, psychiatric examination, neurosurgery and anesthisiologic consultation

You may qualify if:

  • Diagnosis of idiopathic Parkinson's Disease
  • Indication for STN-DBS

You may not qualify if:

  • Internistic, surgical or psychiatric contrainidications with respect to the DBS operation or treatment for the STN-DBS group
  • Dementia
  • Relevant language barrier

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Charité - Universitätsmedizin Berlin

Berlin, 13351, Germany

RECRUITING

Related Publications (1)

  • Kubler-Weller D, Stuke H, Astalosch M, Martins Ribeiro L, Landfried E, Schneider GH, Faust K, Krause P, Roediger J, Haufe S, Mousavi M, Al-Fatly B, Spies C, Borchers F, Kuhn AA. Predicting cognition after subthalamic Deep Brain Stimulation in Parkinson's Disease. NPJ Parkinsons Dis. 2025 Aug 28;11(1):265. doi: 10.1038/s41531-025-01128-3.

Biospecimen

Retention: SAMPLES WITHOUT DNA

Cholinergic biomarkers in cerebrospinal fluid (CSF) * TAU, phospho-TAU, ß-Amyloid 1-40 and 1-42 * measured in CSF preoperatively

MeSH Terms

Conditions

Parkinson DiseaseEmergence Delirium

Condition Hierarchy (Ancestors)

Parkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesMovement DisordersSynucleinopathiesNeurodegenerative DiseasesDeliriumConfusionNeurobehavioral ManifestationsNeurologic ManifestationsPostoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsSigns and SymptomsNeurocognitive DisordersMental Disorders

Study Officials

  • Andrea A Kühn, Prof. MD

    Neurology, Head of the Movement Disorders and Neuromodulation Section

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Postdoc and MD

Study Record Dates

First Submitted

June 9, 2019

First Posted

June 12, 2019

Study Start

June 12, 2019

Primary Completion

June 10, 2022

Study Completion

August 10, 2022

Last Updated

May 7, 2021

Record last verified: 2021-05

Locations