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Why do ‘OFF’ periods still occur during continuous drug delivery in Parkinson’s disease?

Rota, Silvia ; Urso, Daniele ; van Wamelen, Daniel J. ; Leta, Valentina ; Boura, Iro ; Odin, Per LU orcid ; Espay, Alberto J. ; Jenner, Peter and Chaudhuri, K. Ray (2022) In Translational Neurodegeneration 11(1).
Abstract

Continuous drug delivery (CDD) is used in moderately advanced and late-stage Parkinson’s disease (PD) to control motor and non-motor fluctuations (‘OFF’ periods). Transdermal rotigotine is indicated for early fluctuations, while subcutaneous apomorphine infusion and levodopa-carbidopa intestinal gel are utilised in advanced PD. All three strategies are considered examples of continuous dopaminergic stimulation achieved through CDD. A central premise of the CDD is to achieve stable control of the parkinsonian motor and non-motor states and avoid emergence of ‘OFF’ periods. However, data suggest that despite their efficacy in reducing the number and duration of ‘OFF’ periods, these strategies still do not prevent ‘OFF’ periods in the... (More)

Continuous drug delivery (CDD) is used in moderately advanced and late-stage Parkinson’s disease (PD) to control motor and non-motor fluctuations (‘OFF’ periods). Transdermal rotigotine is indicated for early fluctuations, while subcutaneous apomorphine infusion and levodopa-carbidopa intestinal gel are utilised in advanced PD. All three strategies are considered examples of continuous dopaminergic stimulation achieved through CDD. A central premise of the CDD is to achieve stable control of the parkinsonian motor and non-motor states and avoid emergence of ‘OFF’ periods. However, data suggest that despite their efficacy in reducing the number and duration of ‘OFF’ periods, these strategies still do not prevent ‘OFF’ periods in the middle to late stages of PD, thus contradicting the widely held concepts of continuous drug delivery and continuous dopaminergic stimulation. Why these emergent ‘OFF’ periods still occur is unknown. In this review, we analyse the potential reasons for their persistence. The contribution of drug- and device-related involvement, and the problems related to site-specific drug delivery are analysed. We propose that changes in dopaminergic and non-dopaminergic mechanisms in the basal ganglia might render these persistent ‘OFF’ periods unresponsive to dopaminergic therapy delivered via CDD.

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author
; ; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Continuous dopaminergic stimulation, Continuous drug delivery, Levodopa-carbidopa intestinal gel, Rotigotine patch, Subcutaneous apomorphine infusion, ‘OFF’ periods
in
Translational Neurodegeneration
volume
11
issue
1
article number
43
publisher
BioMed Central (BMC)
external identifiers
  • pmid:36229860
  • scopus:85139973378
ISSN
2047-9158
DOI
10.1186/s40035-022-00317-x
language
English
LU publication?
yes
id
e25cd031-2c69-4de8-9973-67c4bdf60bc4
date added to LUP
2022-12-13 10:32:28
date last changed
2024-11-15 14:32:51
@article{e25cd031-2c69-4de8-9973-67c4bdf60bc4,
  abstract     = {{<p>Continuous drug delivery (CDD) is used in moderately advanced and late-stage Parkinson’s disease (PD) to control motor and non-motor fluctuations (‘OFF’ periods). Transdermal rotigotine is indicated for early fluctuations, while subcutaneous apomorphine infusion and levodopa-carbidopa intestinal gel are utilised in advanced PD. All three strategies are considered examples of continuous dopaminergic stimulation achieved through CDD. A central premise of the CDD is to achieve stable control of the parkinsonian motor and non-motor states and avoid emergence of ‘OFF’ periods. However, data suggest that despite their efficacy in reducing the number and duration of ‘OFF’ periods, these strategies still do not prevent ‘OFF’ periods in the middle to late stages of PD, thus contradicting the widely held concepts of continuous drug delivery and continuous dopaminergic stimulation. Why these emergent ‘OFF’ periods still occur is unknown. In this review, we analyse the potential reasons for their persistence. The contribution of drug- and device-related involvement, and the problems related to site-specific drug delivery are analysed. We propose that changes in dopaminergic and non-dopaminergic mechanisms in the basal ganglia might render these persistent ‘OFF’ periods unresponsive to dopaminergic therapy delivered via CDD.</p>}},
  author       = {{Rota, Silvia and Urso, Daniele and van Wamelen, Daniel J. and Leta, Valentina and Boura, Iro and Odin, Per and Espay, Alberto J. and Jenner, Peter and Chaudhuri, K. Ray}},
  issn         = {{2047-9158}},
  keywords     = {{Continuous dopaminergic stimulation; Continuous drug delivery; Levodopa-carbidopa intestinal gel; Rotigotine patch; Subcutaneous apomorphine infusion; ‘OFF’ periods}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{BioMed Central (BMC)}},
  series       = {{Translational Neurodegeneration}},
  title        = {{Why do ‘OFF’ periods still occur during continuous drug delivery in Parkinson’s disease?}},
  url          = {{http://dx.doi.org/10.1186/s40035-022-00317-x}},
  doi          = {{10.1186/s40035-022-00317-x}},
  volume       = {{11}},
  year         = {{2022}},
}