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Phase II Double Blind Controlled Trial of Nigral Grafting in Patients With Parkinson's Disease

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00004387
Enrollment
34
Registered
1999-10-19
Start date
1996-01-31
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. Determine the effectiveness of fetal nigral transplantation in patients with Parkinson's disease.

Detailed description

PROTOCOL OUTLINE: This is a placebo controlled, randomized, double blind study. Patients are randomly assigned to 1 of 3 treatment groups. All patients receive 2 separate operations in which the substantia nigra from either 4 fetuses (Group A) or 1 fetus (Group C) is implanted into the striatum of each side. Group B patients receive 2 separate placebo operations without fetal transplantation. The second surgical procedure begins approximately 1 week after the first operation. After 2 years, treatments are compared. If transplant is shown to benefit Parkinson's disease, then patients who received placebo operation will be offered transplant surgery in the final year of the study.

Interventions

PROCEDUREfetal nigral transplantation

Sponsors

National Institute of Neurological Disorders and Stroke (NINDS)
CollaboratorNIH
Icahn School of Medicine at Mount Sinai
CollaboratorOTHER
National Center for Research Resources (NCRR)
Lead SponsorNIH

Study design

Allocation
RANDOMIZED
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

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

Inclusion criteria

PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- Advanced Parkinson's disease Hoehn-Yahr stage IV or worse during off periods Hoehn-Yahr stage III or better during on periods Predictable motor fluctuations with at least 20% of waking day in the off stage No atypical parkinsonism or secondary parkinsonism --Prior/Concurrent Therapy-- Biologic therapy: Not specified Chemotherapy: Stable doses of levodopa/carbidopa or any other antiparkinson therapy for 2 months prior to study Surgery: No previous intracranial/neurosurgical procedures --Patient Characteristics-- Renal: Creatinine clearance at least 70 mL/min or creatinine no greater than 1.8 mg/dL Protein no greater than 300 mg/dL Other: Not pregnant or nursing Adequate contraception required of fertile patients Prior history of good response to levodopa No sensitivity to cyclosporine Not HIV positive (e.g., HIV I or II) No human T-cell leukemia/lymphoma virus (HTLV-1) No tremors interfering with stereotactic surgery No clinically significant medical, neoplastic or infectious disease No clinically significant laboratory abnormality No dementia that precludes signing informed consent or score of less than 24 on Mini-Mental status examination

Outcome results

None listed

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