Next-Generation Pre-Operative Targeting for Thalamic DBS in the Treatment of Tremor

September 13, 2021 updated by: Erik H. Middlebrooks, M.D., Mayo Clinic

Transform the Practice: Next-Generation Pre-Operative Targeting for Thalamic DBS in the Treatment of Tremor

Researchers are investigating improved methods of targeting deep brain stimulators for treatment of essential tremor relying on brain connectivity measures derived from MRI.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

9

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Florida
      • Jacksonville, Florida, United States, 32224
        • Mayo Clinic in Florida

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Diagnosis of refractory essential tremor scheduled for unilateral thalamic deep brain stimulator placement
  • Age ≥ 18 years

Exclusion Criteria:

  • Prior deep brain stimulator, stereotactic radiosurgery, or focused ultrasound procedure for treatment of tremor
  • Presence of concomitant movement disorder (e.g. Parkinson's disease, dystonia, etc.)
  • Known pre-existing structural brain abnormality (e.g, infarction, tumor, prior brain surgery, etc.)
  • Contraindication to 3 Tesla brain MRI (e.g. incompatible implanted device)
  • Pregnant

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Deep Brain Stimulation subjects
Diagnostic test: Functional MRI
A special type of MRI measuring the metabolic changes that occur within the brain. It may be used to examine the brain's anatomy and determine which parts of the brain are handling critical functions. It helps identify important language and movement control areas in the brain.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in tremor rating score
Time Frame: One year

Fahn, Tolosa, Marin Tremor Rating Scale 1-9 Tremor (rate tremor)

0 = None

  1. = Slight.
  2. = Moderate amplitude.
  3. = Marked amplitude
  4. = Severe amplitude

0 = Normal

  1. = Mildly abnormal.
  2. = Moderately abnormal.
  3. = Marked abnormal.
  4. = Severely abnormal.
One year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Mayo Clinic

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 20, 2019

Primary Completion (Actual)

December 31, 2020

Study Completion (Actual)

February 12, 2021

Study Registration Dates

First Submitted

March 8, 2019

First Submitted That Met QC Criteria

March 13, 2019

First Posted (Actual)

March 14, 2019

Study Record Updates

Last Update Posted (Actual)

September 17, 2021

Last Update Submitted That Met QC Criteria

September 13, 2021

Last Verified

September 1, 2021

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 18-010340

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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