Critical Aspects of Clinical Trial Design for Novel Cell and Gene Therapies

Neural cell transplantation and gene therapy have attracted considerable interest as promising therapeutic alternatives for patients with Parkinson's disease (PD). Preclinical and open-label studies have suggested that grafted fetal neural tissue or viral vector gene transfer can achieve consid...

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Main Authors: Zinovia Kefalopoulou, Iciar Aviles-Olmos, Thomas Foltynie
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Parkinson's Disease
Online Access:http://dx.doi.org/10.4061/2011/804041
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author Zinovia Kefalopoulou
Iciar Aviles-Olmos
Thomas Foltynie
author_facet Zinovia Kefalopoulou
Iciar Aviles-Olmos
Thomas Foltynie
author_sort Zinovia Kefalopoulou
collection DOAJ
description Neural cell transplantation and gene therapy have attracted considerable interest as promising therapeutic alternatives for patients with Parkinson's disease (PD). Preclinical and open-label studies have suggested that grafted fetal neural tissue or viral vector gene transfer can achieve considerable biochemical and clinical improvements, whereas subsequent double-blind, placebo-controlled protocols have produced rather more modest and variable results. Detailed evaluation of these discordant findings has highlighted several crucial issues such as patient selection criteria, details surrounding transplantation or gene therapy methodologies, as well as the study designs themselves that ought to be carefully considered in the planning phases of future clinical trials. Beyond the provision of symptomatic efficacy and safety data, it also remains to be identified whether the possibilities offered by stem cell and gene therapy technological advances might translate to meaningful neuroprotection and/or disease-modifying effects or alleviate the nonmotor aspects of PD and thus offer additional benefits beyond those achieved through conventional pharmacotherapy or deep brain stimulation (DBS).
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spelling doaj-art-f71972d540294152b0fd4ed7163b20422025-02-03T01:00:09ZengWileyParkinson's Disease2042-00802011-01-01201110.4061/2011/804041804041Critical Aspects of Clinical Trial Design for Novel Cell and Gene TherapiesZinovia Kefalopoulou0Iciar Aviles-Olmos1Thomas Foltynie2Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UKSobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UKSobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UKNeural cell transplantation and gene therapy have attracted considerable interest as promising therapeutic alternatives for patients with Parkinson's disease (PD). Preclinical and open-label studies have suggested that grafted fetal neural tissue or viral vector gene transfer can achieve considerable biochemical and clinical improvements, whereas subsequent double-blind, placebo-controlled protocols have produced rather more modest and variable results. Detailed evaluation of these discordant findings has highlighted several crucial issues such as patient selection criteria, details surrounding transplantation or gene therapy methodologies, as well as the study designs themselves that ought to be carefully considered in the planning phases of future clinical trials. Beyond the provision of symptomatic efficacy and safety data, it also remains to be identified whether the possibilities offered by stem cell and gene therapy technological advances might translate to meaningful neuroprotection and/or disease-modifying effects or alleviate the nonmotor aspects of PD and thus offer additional benefits beyond those achieved through conventional pharmacotherapy or deep brain stimulation (DBS).http://dx.doi.org/10.4061/2011/804041
spellingShingle Zinovia Kefalopoulou
Iciar Aviles-Olmos
Thomas Foltynie
Critical Aspects of Clinical Trial Design for Novel Cell and Gene Therapies
Parkinson's Disease
title Critical Aspects of Clinical Trial Design for Novel Cell and Gene Therapies
title_full Critical Aspects of Clinical Trial Design for Novel Cell and Gene Therapies
title_fullStr Critical Aspects of Clinical Trial Design for Novel Cell and Gene Therapies
title_full_unstemmed Critical Aspects of Clinical Trial Design for Novel Cell and Gene Therapies
title_short Critical Aspects of Clinical Trial Design for Novel Cell and Gene Therapies
title_sort critical aspects of clinical trial design for novel cell and gene therapies
url http://dx.doi.org/10.4061/2011/804041
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