Feasibility Study to Evaluate Deep Brain Stimulation (DBS) Settings for the Treatment of Parkinson's Disease (SAGE)

February 17, 2011 updated by: Intelect Medical, Inc.

Sustained Affect of GUIDE (SAGE):A Software Evaluation Study

The purpose of this study is to assess the cognitive performance in patients with advanced Parkinson's disease receiving Deep Brain Stimulation (DBS) with settings predetermined clinically to settings derived from a patient-specific computational model.

Study Overview

Status

Withdrawn

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

80

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
      • Gainesville, Florida, United States, 32610
        • University of Florida
    • New York
      • Manhasset, New York, United States, 11030
        • North Shore University Hospital
    • Washington
      • Kirkland, Washington, United States, 98034
        • Evergreen Healthcare
    • Wisconsin
      • Milwaukee, Wisconsin, United States, 53226
        • Medical College of Wisconsin

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

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patient is able and willing to provide informed consent to participate in the study.
  • The patient's implanted DBS system shall be the Medtronic, Inc. Activa® System. The Medtronic Activa System may consists of either, Soletra®, Kinetra® Activa® RC, or Activa® PC Neurostimulator(s) and two DBS Leads (Model 3387 or 3389).
  • Patient shall have bilateral DBS of the subthalamic nucleolus (STN).
  • Patient shall have stable DBS stimulation without changes in stimulation parameters for no less than 3 months prior to enrollment.
  • Patient shall have stable and optimal regimen of antiparkinson drug therapy for no less than 3 months prior to enrollment.
  • Patient, and caregiver if applicable, is able and willing to be available for study visits throughout the duration of the study (e.g. no planned relocation of residence or extended vacation during the study that would prevent compliance with study visit schedule).
  • Availability, from the patient's medical records, of a Pre-op MRI and high resolution CT with artifact reduction no less than six (6) weeks post-op.
  • Patient shall have Hoehn and Yahr stage III or worse when off stimulation and off medication.
  • Patient shall have demonstrated good response to L-DOPA, defined as no less than a 30% improvement in a UPDRS-III motor exam following the administration of L-DOPA during their screening neurological exam.
  • Patient shall have demonstrated good response to DBS following the administration of DBS while off medication, defined as an improvement in UPDRS-III motor scores better than their improvement to L-DOPA (as determine in above) or no less than 20% worse of an improvement.

Exclusion Criteria:

  • Evidence of secondary or atypical Parkinsonism as suggested by: stroke, encephalitis, exposure to toxins, neuroleptic antipsychotics, neurologic signs of upper motor neuron or cerebellar involvement, or supranuclear palsy.
  • Dementia as evidenced by a mini-mental state examination of 24 or below (MMSE ≥ 24).
  • Prior participation in the Intelect Medical GUIDE study.

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: Supportive Care
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Clinical
Stimulation settings predetermined clinically (Clinical)
Device: Clinically defined stimulation parameters
Stimulation parameters clinically determined prior to start of clinical study
Experimental: Model
stimulation settings derived from a patient-specific computer-based model (Model)
Device: GUIDE software, Version 0.1
The GUIDE software uses computer-based models to determine the spread of stimulation from DBS therapy into surrounding nuclei of the brain. The software models stimulation and is not used to program or communicate with the patient's implanted DBS System. The software was recently validated in a multi-center clinical study.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
sustained improvement in working memory
Time Frame: 2 Months
The primary endpoint of this study is to determine whether or not sustained improvement in working memory can be obtained during DBS with stimulation settings derived from a patient-specific computer-based model (Model) as compared with stimulation settings predetermined clinically (Clinical).
2 Months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Quality of Life (QOL)improvements
Time Frame: 2 Months
The secondary endpoints will evaluate whether or not sustained cognitive improvements translate into other aspects of the patient's life (e.g. mood, activities of daily living, apathy, etc.) during DBS with stimulation settings derived from a patient-specific computer-based model (Model) as compared with stimulation settings predetermined clinically (Clinical).
2 Months

Collaborators and Investigators

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

Sponsor

Intelect Medical, Inc.

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.

General Publications

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

December 1, 2010

Primary Completion (Anticipated)

December 1, 2011

Study Registration Dates

First Submitted

October 27, 2010

First Submitted That Met QC Criteria

October 27, 2010

First Posted (Estimate)

October 28, 2010

Study Record Updates

Last Update Posted (Estimate)

February 18, 2011

Last Update Submitted That Met QC Criteria

February 17, 2011

Last Verified

February 1, 2011

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 017-0002

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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