Phase II Study of Pallidotomy for Parkinson Disease

June 23, 2005 updated by: National Center for Research Resources (NCRR)

OBJECTIVES:

I. Evaluate the safety and efficacy of pallidotomy immediately following 3 preoperative assessments vs. delayed pallidotomy following 6 months of standard medical therapy in patients with Parkinson disease.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

PROTOCOL OUTLINE: This is a randomized study. One group of patients undergoes the surgical procedure pallidotomy, a precise lesioning of brain cells in the globus pallidus.

The other group receives standard medical care for 6 months followed by a pallidotomy.

Study Type

Interventional

Enrollment

60

Phase

  • Phase 2

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

30 years to 75 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

PROTOCOL ENTRY CRITERIA:

--Disease Characteristics--

Idiopathic Parkinson disease Hoehn and Yahr stage III or worse during "off" periods

Responsive to levodopa by history or exam Sub-optimal clinical response to maximal medication Medication optimized for at least 4 weeks prior to entry

No atypical or secondary disease, e.g.:

  • No history of cerebrovascular accident
  • No cerebellar involvement
  • No severe brain atrophy on magnetic resonance imaging

No Mattis Dementia Rating Scale score less than 116

No dementia meeting Diagnostic and Statistical Manual of Mental Disorders-IV criteria

No Hamilton Depression Rating Scale score greater than 10

No Hamilton Anxiety Scale score greater than 14

--Patient Characteristics--

Other: No medical contraindication to surgery, e.g.:

  • Diabetes
  • Cardiopulmonary disease

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: TREATMENT
  • Allocation: RANDOMIZED

Collaborators and Investigators

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

Sponsor

National Center for Research Resources (NCRR)

Collaborators

Emory University

Investigators

  • Study Chair: Mahlon R. DeLong, Emory University

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

October 1, 1994

Study Registration Dates

First Submitted

February 24, 2000

First Submitted That Met QC Criteria

February 24, 2000

First Posted (ESTIMATE)

February 25, 2000

Study Record Updates

Last Update Posted (ESTIMATE)

June 24, 2005

Last Update Submitted That Met QC Criteria

June 23, 2005

Last Verified

December 1, 2001

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 199/12083
  • EUSM-018
  • EUSM-409-92

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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