Related Experiment Videos
A series of experimental surgery for advanced Parkinson's disease by foetal mesencephalic transplantation
E R Hitchcock1, B G Kenny, B T Henderson
1Department of Neurosurgery, University of Birmingham, Midland Centre for Neurosurgery and Neurology, Smethwick, Birmingham, U.K.
Abstract:
12 patients with advanced Parkinson's Disease who had right caudate implantations of late stage foetal mesencephalon have been followed up for 1 to 2 years with extensive clinical and physiological assessments. Three patients failed to comply and were excluded. Seven of the remaining 9 patients showed substantial initial improvement which was well maintained in 4. Two of the 3 remaining patients of this group maintained lesser improvement. One returned to pre-operative state. Two patients with greatly advanced disease had only slight but brief improvement. A series of 24 matched patients have been treated and continue under investigation.
Insights
Fetal stem cell therapy shows promise for Parkinson's Disease, with some patients experiencing sustained symptom improvement after caudate implantation. Further research is ongoing with a larger patient group.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Clinical Neurology
Background:
- Parkinson's Disease (PD) is a progressive neurodegenerative disorder.
- Current treatments for advanced PD offer limited efficacy.
- Fetal mesencephalon transplantation is an experimental therapy for PD.
Purpose of the Study:
- To evaluate the long-term clinical and physiological outcomes of fetal mesencephalon transplantation in advanced Parkinson's Disease patients.
- To assess the safety and efficacy of right caudate implantation of fetal mesencephalon.
Main Methods:
- 12 patients with advanced Parkinson's Disease underwent right caudate implantation of fetal mesencephalon.
- Patients were followed for 1-2 years with clinical and physiological assessments.
- Three non-compliant patients were excluded, leaving 9 for analysis.
Main Results:
- Seven of nine analyzed patients showed initial substantial improvement.
- Four of these seven patients maintained significant improvement for 1-2 years.
- Two patients had lesser, sustained improvement; one returned to baseline.
- Two severely advanced patients experienced only slight, transient benefits.
Conclusions:
- Fetal mesencephalon transplantation can provide sustained motor improvement in a subset of advanced Parkinson's Disease patients.
- The degree of improvement appears related to disease severity.
- Ongoing studies with a larger cohort will further elucidate treatment efficacy.