ClinicalTrials.Veeva

Menu

Phase II Study of Pallidotomy for Parkinson Disease

N

National Center for Research Resources (NCRR)

Status and phase

Completed
Phase 2

Conditions

Parkinson Disease

Treatments

Procedure: pallidotomy

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT00004670
EUSM-018
EUSM-409-92
199/12083

Details and patient eligibility

About

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.

Full 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.

Sex

All

Ages

30 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

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

Trial contacts and locations

0

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems