Exenatide once weekly over 2 years as a potential disease-modifying treatment for Parkinson’s disease: protocol for a multicentre, randomised, double blind, parallel group, placebo controlled, phase 3 trial: The ‘Exenatide-PD3’ study

IntroductionParkinson’s disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The glucagon like peptide-1 receptor agonist exenatide has been associated in single-centre studies with reduced motor deterioration over 1 year. T...

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Published inBMJ open Vol. 11; no. 5; p. e047993
Main Authors Vijiaratnam, Nirosen, Girges, Christine, Auld, Grace, Chau, Marisa, Maclagan, Kate, King, Alexa, Skene, Simon, Chowdhury, Kashfia, Hibbert, Steve, Morris, Huw, Limousin, Patricia, Athauda, Dilan, Carroll, Camille B, Hu, Michele T, Silverdale, Monty, Duncan, Gordon W, Chaudhuri, Ray, Lo, Christine, Del Din, Silvia, Yarnall, Alison J, Rochester, Lynn, Gibson, Rachel, Dickson, John, Hunter, Rachael, Libri, Vincenzo, Foltynie, Thomas
Format Journal Article
LanguageEnglish
Published London British Medical Journal Publishing Group 28.05.2021
BMJ Publishing Group LTD
BMJ Publishing Group
SeriesProtocol
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Online AccessGet full text
ISSN2044-6055
2044-6055
DOI10.1136/bmjopen-2020-047993

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Abstract IntroductionParkinson’s disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The glucagon like peptide-1 receptor agonist exenatide has been associated in single-centre studies with reduced motor deterioration over 1 year. The aim of this multicentre UK trial is to confirm whether these previous positive results are maintained in a larger number of participants over 2 years and if effects accumulate with prolonged drug exposure.Methods and analysisThis is a phase 3, multicentre, double-blind, randomised, placebo-controlled trial of exenatide at a dose of 2 mg weekly in 200 participants with mild to moderate PD. Treatment duration is 96 weeks. Randomisation is 1:1, drug to placebo. Assessments are performed at baseline, week 12, 24, 36, 48, 60, 72, 84 and 96 weeks.The primary outcome is the comparison of Movement Disorders Society Unified Parkinson’s Disease Rating Scale part 3 motor subscore in the practically defined OFF medication state at 96 weeks between participants according to treatment allocation. Secondary outcomes will compare the change between groups among other motor, non-motor and cognitive scores. The primary outcome will be reported using descriptive statistics and comparisons between treatment groups using a mixed model, adjusting for baseline scores. Secondary outcomes will be summarised between treatment groups using summary statistics and appropriate statistical tests to assess for significant differences.Ethics and disseminationThis trial has been approved by the South Central-Berkshire Research Ethics Committee and the Health Research Authority. Results will be disseminated in peer-reviewed journals, presented at scientific meetings and to patients in lay-summary format.Trial registration numbersNCT04232969, ISRCTN14552789.
AbstractList IntroductionParkinson’s disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The glucagon like peptide-1 receptor agonist exenatide has been associated in single-centre studies with reduced motor deterioration over 1 year. The aim of this multicentre UK trial is to confirm whether these previous positive results are maintained in a larger number of participants over 2 years and if effects accumulate with prolonged drug exposure.Methods and analysisThis is a phase 3, multicentre, double-blind, randomised, placebo-controlled trial of exenatide at a dose of 2 mg weekly in 200 participants with mild to moderate PD. Treatment duration is 96 weeks. Randomisation is 1:1, drug to placebo. Assessments are performed at baseline, week 12, 24, 36, 48, 60, 72, 84 and 96 weeks.The primary outcome is the comparison of Movement Disorders Society Unified Parkinson’s Disease Rating Scale part 3 motor subscore in the practically defined OFF medication state at 96 weeks between participants according to treatment allocation. Secondary outcomes will compare the change between groups among other motor, non-motor and cognitive scores. The primary outcome will be reported using descriptive statistics and comparisons between treatment groups using a mixed model, adjusting for baseline scores. Secondary outcomes will be summarised between treatment groups using summary statistics and appropriate statistical tests to assess for significant differences.Ethics and disseminationThis trial has been approved by the South Central-Berkshire Research Ethics Committee and the Health Research Authority. Results will be disseminated in peer-reviewed journals, presented at scientific meetings and to patients in lay-summary format.Trial registration numbersNCT04232969, ISRCTN14552789.
Introduction Parkinson’s disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The glucagon like peptide-1 receptor agonist exenatide has been associated in single-centre studies with reduced motor deterioration over 1 year. The aim of this multicentre UK trial is to confirm whether these previous positive results are maintained in a larger number of participants over 2 years and if effects accumulate with prolonged drug exposure.Methods and analysis This is a phase 3, multicentre, double-blind, randomised, placebo-controlled trial of exenatide at a dose of 2 mg weekly in 200 participants with mild to moderate PD. Treatment duration is 96 weeks. Randomisation is 1:1, drug to placebo. Assessments are performed at baseline, week 12, 24, 36, 48, 60, 72, 84 and 96 weeks.The primary outcome is the comparison of Movement Disorders Society Unified Parkinson’s Disease Rating Scale part 3 motor subscore in the practically defined OFF medication state at 96 weeks between participants according to treatment allocation. Secondary outcomes will compare the change between groups among other motor, non-motor and cognitive scores. The primary outcome will be reported using descriptive statistics and comparisons between treatment groups using a mixed model, adjusting for baseline scores. Secondary outcomes will be summarised between treatment groups using summary statistics and appropriate statistical tests to assess for significant differences.Ethics and dissemination This trial has been approved by the South Central-Berkshire Research Ethics Committee and the Health Research Authority. Results will be disseminated in peer-reviewed journals, presented at scientific meetings and to patients in lay-summary format.Trial registration numbers NCT04232969, ISRCTN14552789.
Parkinson's disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The glucagon like peptide-1 receptor agonist exenatide has been associated in single-centre studies with reduced motor deterioration over 1 year. The aim of this multicentre UK trial is to confirm whether these previous positive results are maintained in a larger number of participants over 2 years and if effects accumulate with prolonged drug exposure.INTRODUCTIONParkinson's disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The glucagon like peptide-1 receptor agonist exenatide has been associated in single-centre studies with reduced motor deterioration over 1 year. The aim of this multicentre UK trial is to confirm whether these previous positive results are maintained in a larger number of participants over 2 years and if effects accumulate with prolonged drug exposure.This is a phase 3, multicentre, double-blind, randomised, placebo-controlled trial of exenatide at a dose of 2 mg weekly in 200 participants with mild to moderate PD. Treatment duration is 96 weeks. Randomisation is 1:1, drug to placebo. Assessments are performed at baseline, week 12, 24, 36, 48, 60, 72, 84 and 96 weeks.The primary outcome is the comparison of Movement Disorders Society Unified Parkinson's Disease Rating Scale part 3 motor subscore in the practically defined OFF medication state at 96 weeks between participants according to treatment allocation. Secondary outcomes will compare the change between groups among other motor, non-motor and cognitive scores. The primary outcome will be reported using descriptive statistics and comparisons between treatment groups using a mixed model, adjusting for baseline scores. Secondary outcomes will be summarised between treatment groups using summary statistics and appropriate statistical tests to assess for significant differences.METHODS AND ANALYSISThis is a phase 3, multicentre, double-blind, randomised, placebo-controlled trial of exenatide at a dose of 2 mg weekly in 200 participants with mild to moderate PD. Treatment duration is 96 weeks. Randomisation is 1:1, drug to placebo. Assessments are performed at baseline, week 12, 24, 36, 48, 60, 72, 84 and 96 weeks.The primary outcome is the comparison of Movement Disorders Society Unified Parkinson's Disease Rating Scale part 3 motor subscore in the practically defined OFF medication state at 96 weeks between participants according to treatment allocation. Secondary outcomes will compare the change between groups among other motor, non-motor and cognitive scores. The primary outcome will be reported using descriptive statistics and comparisons between treatment groups using a mixed model, adjusting for baseline scores. Secondary outcomes will be summarised between treatment groups using summary statistics and appropriate statistical tests to assess for significant differences.This trial has been approved by the South Central-Berkshire Research Ethics Committee and the Health Research Authority. Results will be disseminated in peer-reviewed journals, presented at scientific meetings and to patients in lay-summary format.ETHICS AND DISSEMINATIONThis trial has been approved by the South Central-Berkshire Research Ethics Committee and the Health Research Authority. Results will be disseminated in peer-reviewed journals, presented at scientific meetings and to patients in lay-summary format.NCT04232969, ISRCTN14552789.TRIAL REGISTRATION NUMBERSNCT04232969, ISRCTN14552789.
Author Carroll, Camille B
Vijiaratnam, Nirosen
Morris, Huw
Hibbert, Steve
Athauda, Dilan
Silverdale, Monty
Chau, Marisa
King, Alexa
Rochester, Lynn
Duncan, Gordon W
Dickson, John
Girges, Christine
Chaudhuri, Ray
Auld, Grace
Hunter, Rachael
Del Din, Silvia
Chowdhury, Kashfia
Lo, Christine
Skene, Simon
Maclagan, Kate
Hu, Michele T
Gibson, Rachel
Foltynie, Thomas
Limousin, Patricia
Libri, Vincenzo
Yarnall, Alison J
AuthorAffiliation 16 Newcastle Upon Tyne NHS Foundation Trust , Newcastle , UK
11 Department of Neurology and Neurosurgery , University of Manchester , Greater Manchester , UK
2 National Hospital for Neurology and Neurosurgery , London , UK
6 Applied Parkinson's Research Group , University of Plymouth , Plymouth , UK
12 Western General Hospital , NHS Lothian , Edinburgh , UK
13 University of Edinburgh , Edinburgh , UK
1 Department of Clinical and Movement Neurosciences , UCL Queen Square Institute of Neurology , London , UK
4 Surrey Clinical Trials Unit , University of Surrey , Guildford , UK
9 Oxford Parkinson's Disease Centre , University of Oxford , Oxford , UK
15 Translational & Clinical Research Institute , Newcastle University , Newcastle upon Tyne , UK
17 London , UK
19 Research Dept of Primary Care and Population Health , University College London , London , UK
7 University Hospitals Plymouth NHS Trust , Plymouth , UK
10 Department of Clinical Neurology , Oxford University Hospitals NHS Foundation Trust , Ox
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– name: 13 University of Edinburgh , Edinburgh , UK
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– name: 21 University College London , London , UK
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Snippet IntroductionParkinson’s disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The...
Parkinson's disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The glucagon like...
Introduction Parkinson’s disease (PD) is a common neurodegenerative disorder with substantial morbidity. No disease-modifying treatments currently exist. The...
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SubjectTerms Diabetes
Dopamine
Double-blind studies
Dyskinesia
GLP-1 receptor agonists
Laboratories
Movement disorders
Neurology
Parkinson's disease
Patients
Performance evaluation
Public health
Qualitative research
Questionnaires
Society
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Title Exenatide once weekly over 2 years as a potential disease-modifying treatment for Parkinson’s disease: protocol for a multicentre, randomised, double blind, parallel group, placebo controlled, phase 3 trial: The ‘Exenatide-PD3’ study
URI https://bmjopen.bmj.com/content/11/5/e047993.full
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https://pubmed.ncbi.nlm.nih.gov/PMC8166598
https://doaj.org/article/747e573c62344e5b81c9220c10131898
Volume 11
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