Causes and factors related to dopamine agonist withdrawal in Parkinson′s disease

Background Although dopamine agonists (DAs) are useful in Parkinson′s disease (PD), they are not frequently used in elderly patients due to adverse effects. However, there is a lack of evidence because few elderly PD patients are enrolled in clinical trials. Aims of the study The aims of this study...

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Veröffentlicht in:Brain and behavior 2016-07, Vol.6 (7), p.n/a
Hauptverfasser: Castro, Ester Suárez, Santos‐García, Diego, Deus Fonticoba, Teresa, Expósito Ruíz, Irene, Tuñas Gesto, Cintia, Arribí, Mercedes Macías
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container_end_page n/a
container_issue 7
container_start_page
container_title Brain and behavior
container_volume 6
creator Castro, Ester Suárez
Santos‐García, Diego
Deus Fonticoba, Teresa
Expósito Ruíz, Irene
Tuñas Gesto, Cintia
Arribí, Mercedes Macías
description Background Although dopamine agonists (DAs) are useful in Parkinson′s disease (PD), they are not frequently used in elderly patients due to adverse effects. However, there is a lack of evidence because few elderly PD patients are enrolled in clinical trials. Aims of the study The aims of this study were to analyze the reasons of DA withdrawal (DAW) in a group of PD patients in clinical practice and to identify the related factors. Specifically, we studied the effect of age, comorbidity, and polypharmacy as potential risk factors for DAW. Methods A retrospective chart review of the follow‐up (from May, 2012 to March, 2015) of a subgroup of PD patients receiving a DA (n = 68; 60.3% males, 69.3 ± 9.2 years old) from a cohort (n = 150) previously studied in detail in 2012 was used to identify predictive factors of DAW. Results The DAW percentage was 18.2% (12/66; follow‐up of 690.2 ± 232.6 days). DAW causes were cognitive impairment (3), reduction therapy (3), hallucinations (2), dyskinesia (2), and excessive diurnal somnolence (2). Only a higher levodopa daily dose (HR 1.003; 95% CI 1.001–1.006; P = 0.044) was an independent predictor of DAW after adjustment for other explanatory variables. Conclusions The frequency of DAW was low. Advanced age alone is not a contraindication to the administration of DAs. The frequency of dopamine agonist withdrawal in clinical practise is low and not related to age. A higher levodopa dose predicts higher risk of dopamine agonist withdrawal.
doi_str_mv 10.1002/brb3.453
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However, there is a lack of evidence because few elderly PD patients are enrolled in clinical trials. Aims of the study The aims of this study were to analyze the reasons of DA withdrawal (DAW) in a group of PD patients in clinical practice and to identify the related factors. Specifically, we studied the effect of age, comorbidity, and polypharmacy as potential risk factors for DAW. Methods A retrospective chart review of the follow‐up (from May, 2012 to March, 2015) of a subgroup of PD patients receiving a DA (n = 68; 60.3% males, 69.3 ± 9.2 years old) from a cohort (n = 150) previously studied in detail in 2012 was used to identify predictive factors of DAW. Results The DAW percentage was 18.2% (12/66; follow‐up of 690.2 ± 232.6 days). DAW causes were cognitive impairment (3), reduction therapy (3), hallucinations (2), dyskinesia (2), and excessive diurnal somnolence (2). Only a higher levodopa daily dose (HR 1.003; 95% CI 1.001–1.006; P = 0.044) was an independent predictor of DAW after adjustment for other explanatory variables. Conclusions The frequency of DAW was low. Advanced age alone is not a contraindication to the administration of DAs. The frequency of dopamine agonist withdrawal in clinical practise is low and not related to age. A higher levodopa dose predicts higher risk of dopamine agonist withdrawal.</description><identifier>ISSN: 2162-3279</identifier><identifier>EISSN: 2162-3279</identifier><identifier>DOI: 10.1002/brb3.453</identifier><identifier>PMID: 27247848</identifier><language>eng</language><publisher>Los Angeles: John Wiley &amp; Sons, Inc</publisher><subject>Activities of daily living ; Age ; Clinical medicine ; Cognitive ability ; Comorbidity ; Dementia ; Dopamine ; dopamine agonist ; Drug dosages ; Edema ; Hallucinations ; Parkinsons disease ; Parkinson′s disease ; Polypharmacy ; Studies ; tolerability ; Variables</subject><ispartof>Brain and behavior, 2016-07, Vol.6 (7), p.n/a</ispartof><rights>2016 The Authors. published by Wiley Periodicals, Inc.</rights><rights>2016. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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However, there is a lack of evidence because few elderly PD patients are enrolled in clinical trials. Aims of the study The aims of this study were to analyze the reasons of DA withdrawal (DAW) in a group of PD patients in clinical practice and to identify the related factors. Specifically, we studied the effect of age, comorbidity, and polypharmacy as potential risk factors for DAW. Methods A retrospective chart review of the follow‐up (from May, 2012 to March, 2015) of a subgroup of PD patients receiving a DA (n = 68; 60.3% males, 69.3 ± 9.2 years old) from a cohort (n = 150) previously studied in detail in 2012 was used to identify predictive factors of DAW. Results The DAW percentage was 18.2% (12/66; follow‐up of 690.2 ± 232.6 days). DAW causes were cognitive impairment (3), reduction therapy (3), hallucinations (2), dyskinesia (2), and excessive diurnal somnolence (2). Only a higher levodopa daily dose (HR 1.003; 95% CI 1.001–1.006; P = 0.044) was an independent predictor of DAW after adjustment for other explanatory variables. Conclusions The frequency of DAW was low. Advanced age alone is not a contraindication to the administration of DAs. The frequency of dopamine agonist withdrawal in clinical practise is low and not related to age. 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However, there is a lack of evidence because few elderly PD patients are enrolled in clinical trials. Aims of the study The aims of this study were to analyze the reasons of DA withdrawal (DAW) in a group of PD patients in clinical practice and to identify the related factors. Specifically, we studied the effect of age, comorbidity, and polypharmacy as potential risk factors for DAW. Methods A retrospective chart review of the follow‐up (from May, 2012 to March, 2015) of a subgroup of PD patients receiving a DA (n = 68; 60.3% males, 69.3 ± 9.2 years old) from a cohort (n = 150) previously studied in detail in 2012 was used to identify predictive factors of DAW. Results The DAW percentage was 18.2% (12/66; follow‐up of 690.2 ± 232.6 days). DAW causes were cognitive impairment (3), reduction therapy (3), hallucinations (2), dyskinesia (2), and excessive diurnal somnolence (2). Only a higher levodopa daily dose (HR 1.003; 95% CI 1.001–1.006; P = 0.044) was an independent predictor of DAW after adjustment for other explanatory variables. Conclusions The frequency of DAW was low. Advanced age alone is not a contraindication to the administration of DAs. The frequency of dopamine agonist withdrawal in clinical practise is low and not related to age. A higher levodopa dose predicts higher risk of dopamine agonist withdrawal.</abstract><cop>Los Angeles</cop><pub>John Wiley &amp; Sons, Inc</pub><pmid>27247848</pmid><doi>10.1002/brb3.453</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Activities of daily living
Age
Clinical medicine
Cognitive ability
Comorbidity
Dementia
Dopamine
dopamine agonist
Drug dosages
Edema
Hallucinations
Parkinsons disease
Parkinson′s disease
Polypharmacy
Studies
tolerability
Variables
title Causes and factors related to dopamine agonist withdrawal in Parkinson′s disease
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