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Parkinson DiseaseNCT01981577

Subthalamic Nucleus Connectivity in Parkinson's Disease With Ultra-high Field Magnetic Resonance Imaging

An observational study of Parkinson Disease, run by Maastricht University Medical Center at 1 site in Netherlands.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The purpose of this study is to investigate the segregation of the subthalamic nucleus into its motor and non-motor regions in patients with Parkinson's disease and healthy controls with the aid of ultra-high field magnetic resonance imaging. Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Parkinson Disease
How many people
20 participants
Where
1 siteNetherlands
Study dates
Apr 2014to Oct 2016
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: * Parkinson's patients scheduled for deep brain stimulation surgery at Maastricht University Medical Center * Healthy volunteers from a community sample

Who may be able to join

  • Both groups:
  • Mental competence
  • Group 1:
  • Parkinson's disease patients scheduled for deep brain stimulation surgery
  • Group 2:
  • Age and gender matched volunteers

Who cannot join

  • Both groups:
  • Head injury
  • Stroke
  • Other neurological diseases other than Parkinson's disease
  • Metallic prostheses or pacemaker in the subject's body or other contra indications for MRI
  • Group 1:
Show all 10Show fewer
  • Inability to abstain from dopaminergic drug use
  • Group 2:
  • Parkinson's disease
  • Use of medication affecting the central nervous system

Trial locations and contacts

1 site in 1 country.

Birgit R Plantinga, MSc. contact

+31 43 3881033

B.R.Plantinga@tue.nl

Netherlands1 site, 1 recruiting
  • Maastricht University Medical Center

    Maastricht

    Yasin Temel, MD, PhD

    Recruiting

Other trials in Netherlands

About this study

Official title: Ultra-high Field Imaging of the Cortico-striato-subthalamic Functional and Structural Connectivity to Improve Deep Brain Stimulation Surgery in Parkinson's Disease Patients

The purpose of this study is to investigate the segregation of the subthalamic nucleus into its motor and non-motor regions in patients with Parkinson's disease and healthy controls with the aid of ultra-high field magnetic resonance imaging.

Keywords
Parkinson Disease, Subthalamic Nucleus, Ultrahigh field Magnetic Resonance imaging, Functional connectivity, Structural connectivity
Medical subject headings
Parkinson Disease

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT01981577
Study groupRoleWhat they receive
Patients with Parkinson's DiseaseNot described
Healthy volunteersNot described

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Voxels of the subthalamic nucleus that are structurally or functionally connected to the motor cortex.

    Two brain areas are said to be structurally connected if they are connected by fiber tracks computed from diffusion weighted MRI data.

    Two brain areas are said to be functionally connected if they show statistically significantly correlated resting state functional MRI signals.

    Measured: One measurement, consisting of 1 MRI scan of 1 hour

Secondary outcomes (3)
  1. Strength of the structural and functional connectivity between the subthalamic nucleus and the motor cortex.

    Strength of the structural connectivity is defined as: fractional anisotropy along computed fiber tracks between the subthalamic nucleus and the motor cortex.

    Strength of the functional connectivity is defined as: height of the correlation between the resting state functional MRI signals in the subthalamic nucleus and the motor cortex.

    Measured: One measurement, consisting of 1 MRI scan of 1 hour

  2. Brain areas structurally and functionally connected to the stimulation zone of the optimal electrode of operated Parkinson's patients.

    This results in a list with brain structures that are functionally and/or structurally connected to the stimulation zone.

    Measured: One measurement, consisting of 1 MRI scan of 1 hour

  3. Brain areas that show an activation pattern measured with functional magnetic resonance imaging, that is correlated to a motor task.

    This results in a list of brain areas that are related to the motor task.

    Measured: One measurement, consisting of 1 MRI scan of 1 hour

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Nov 2013 (estimated)
  2. Study startApr 2014
  3. Primary completionOct 2016 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Cross-sectional
Enrolment
20 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01981577
Sponsor's protocol ID
NL42613.068.13
Status last verified
Mar 2016
First submitted
30 Sep 2013
Last updated
22 Mar 2016
Results posted
No

Questions about this trial

What is this clinical trial studying?

An observational study of Parkinson Disease, run by Maastricht University Medical Center at 1 site in Netherlands.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 22 Mar 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Birgit R Plantinga, MSc. (+31 43 3881033, B.R.Plantinga@tue.nl), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Voxels of the subthalamic nucleus that are structurally or functionally connected to the motor cortex. (time frame: One measurement, consisting of 1 MRI scan of 1 hour). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Mar 2016.

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