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Updated: Jun 23, 2026

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Assessment of Spontaneous Alternation, Novel Object Recognition and Limb Clasping in Transgenic Mouse Models of Amyloid-β and Tau Neuropathology
Published on: May 28, 2017
Human trials for neurodegenerative disease.
Claire M Kelly1, O J Handley, A E Rosser
1Brain Repair Group, School of Biosciences, Cardiff, UK.
Methods in Molecular Biology (Clifton, N.J.)
|April 21, 2009
Summary
Cell-based therapies offer hope for neurodegenerative diseases like Parkinson's by replacing lost neurons. Early trials highlight the critical importance of robust clinical trial design for successful neural transplantation.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Neurology
Background:
- Most neurodegenerative diseases, including Parkinson's disease, Huntington's disease, and stroke, lack effective disease-modifying treatments.
- Cell-based therapies aim to replace neurons or glia lost due to disease progression.
- Functional integration of transplanted cells is crucial for reconstructing neural circuitry.
Purpose of the Study:
- To explore the potential of cell-based therapies for neurodegenerative diseases.
- To examine the history and methodology of neural transplantation trials.
- To address challenges and improve future clinical trial design in neurodegenerative disease treatment.
Main Methods:
- Review of historical clinical trials in Parkinson's disease using primary human fetal tissue.
- Analysis of ongoing neural transplantation trials in Huntington's disease.
- Examination of methodological issues in the structure and implementation of clinical trials.
Main Results:
- Early clinical trials for Parkinson's disease commenced in the 1980s.
- Disappointing outcomes in later controlled Parkinson's disease trials underscored methodological limitations.
- Neural transplantation trials are currently underway for Huntington's disease.
Conclusions:
- Cell-based therapies represent a promising avenue for treating neurodegenerative conditions.
- Methodological rigor in clinical trial design is paramount for the success of neural transplantation therapies.
- Further research and refined trial structures are needed to optimize cell-based treatments for neurological disorders.
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