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Phase II Study of Pallidotomy for Parkinson Disease

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00004670
Enrollment
60
Registered
2000-02-25
Start date
1994-10-31
Completion date
Unknown
Last updated
2005-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Parkinson Disease

Keywords

Parkinson disease, neurologic and psychiatric disorders, rare disease

Brief summary

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.

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.

Interventions

PROCEDUREpallidotomy

Sponsors

Emory University
CollaboratorOTHER
National Center for Research Resources (NCRR)
Lead SponsorNIH

Study design

Allocation
RANDOMIZED
Primary purpose
TREATMENT

Eligibility

Sex/Gender
ALL
Age
30 Years to 75 Years
Healthy volunteers
No

Inclusion 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

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026