Comparative efficacy of surgical approaches to disease modification in Parkinson disease

Abstract Parkinson’s disease (PD) may optimally be treated with a disease-modifying therapy to slow progression. We compare data underlying surgical approaches proposed to impart disease modification in PD: (1) cell transplantation therapy with stem cell-derived dopaminergic neurons to replace damag...

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Main Authors: Shervin Rahimpour, Su-Chun Zhang, Jerrold L. Vitek, Kyle T. Mitchell, Dennis A. Turner
Format: Article
Language:English
Published: Nature Portfolio 2022-03-01
Series:npj Parkinson's Disease
Online Access:https://doi.org/10.1038/s41531-022-00296-w
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author Shervin Rahimpour
Su-Chun Zhang
Jerrold L. Vitek
Kyle T. Mitchell
Dennis A. Turner
author_facet Shervin Rahimpour
Su-Chun Zhang
Jerrold L. Vitek
Kyle T. Mitchell
Dennis A. Turner
author_sort Shervin Rahimpour
collection DOAJ
description Abstract Parkinson’s disease (PD) may optimally be treated with a disease-modifying therapy to slow progression. We compare data underlying surgical approaches proposed to impart disease modification in PD: (1) cell transplantation therapy with stem cell-derived dopaminergic neurons to replace damaged cells; (2) clinical trials of growth factors to promote survival of existing dopaminergic neurons; (3) subthalamic nucleus deep brain stimulation early in the course of PD; and (4) abdominal vagotomy to lower risk of potential disease spread from gut to brain. Though targeted to engage potential mechanisms of PD these surgical approaches remain experimental, indicating the difficulty in translating therapeutic concepts into clinical practice. The choice of outcome measures to assess disease modification separate from the symptomatic benefit will be critical to evaluate the effect of the disease-modifying intervention on long-term disease burden, including imaging studies and clinical rating scales, i.e., Unified Parkinson Disease Rating Scale. Therapeutic interventions will require long follow-up times (i.e., 5–10 years) to analyze disease modification compared to symptomatic treatments. The promise of invasive, surgical treatments to achieve disease modification through mechanistic approaches has been constrained by the reality of translating these concepts into effective clinical trials.
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spelling doaj.art-fb91da2a1eee42928b8c6d43c1fb7ecd2023-12-02T14:25:49ZengNature Portfolionpj Parkinson's Disease2373-80572022-03-01811610.1038/s41531-022-00296-wComparative efficacy of surgical approaches to disease modification in Parkinson diseaseShervin Rahimpour0Su-Chun Zhang1Jerrold L. Vitek2Kyle T. Mitchell3Dennis A. Turner4Department of Neurosurgery, Clinical Neuroscience Center, University of UtahWaisman Center and Departments of Neuroscience and Neurology, University of Wisconsin-MadisonDepartment of Neurology, University of MinnesotaDepartment of Neurology, Duke UniversityDepartment of Neurosurgery, Duke UniversityAbstract Parkinson’s disease (PD) may optimally be treated with a disease-modifying therapy to slow progression. We compare data underlying surgical approaches proposed to impart disease modification in PD: (1) cell transplantation therapy with stem cell-derived dopaminergic neurons to replace damaged cells; (2) clinical trials of growth factors to promote survival of existing dopaminergic neurons; (3) subthalamic nucleus deep brain stimulation early in the course of PD; and (4) abdominal vagotomy to lower risk of potential disease spread from gut to brain. Though targeted to engage potential mechanisms of PD these surgical approaches remain experimental, indicating the difficulty in translating therapeutic concepts into clinical practice. The choice of outcome measures to assess disease modification separate from the symptomatic benefit will be critical to evaluate the effect of the disease-modifying intervention on long-term disease burden, including imaging studies and clinical rating scales, i.e., Unified Parkinson Disease Rating Scale. Therapeutic interventions will require long follow-up times (i.e., 5–10 years) to analyze disease modification compared to symptomatic treatments. The promise of invasive, surgical treatments to achieve disease modification through mechanistic approaches has been constrained by the reality of translating these concepts into effective clinical trials.https://doi.org/10.1038/s41531-022-00296-w
spellingShingle Shervin Rahimpour
Su-Chun Zhang
Jerrold L. Vitek
Kyle T. Mitchell
Dennis A. Turner
Comparative efficacy of surgical approaches to disease modification in Parkinson disease
npj Parkinson's Disease
title Comparative efficacy of surgical approaches to disease modification in Parkinson disease
title_full Comparative efficacy of surgical approaches to disease modification in Parkinson disease
title_fullStr Comparative efficacy of surgical approaches to disease modification in Parkinson disease
title_full_unstemmed Comparative efficacy of surgical approaches to disease modification in Parkinson disease
title_short Comparative efficacy of surgical approaches to disease modification in Parkinson disease
title_sort comparative efficacy of surgical approaches to disease modification in parkinson disease
url https://doi.org/10.1038/s41531-022-00296-w
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