NCT04636541

Brief Summary

Mild cognitive impairment is experienced by approximately 30% of patients with Parkinson's disease (PD-MCI), often affecting executive functions. There is currently no pharmacological treatment available for PD-MCI and non-pharmacological treatments are still scarce. The aim of this study was to test preliminary efficacy/effectiveness of two home-based cognitive interventions adapted for patients with PD-MCI: Goal Management Training, adapted for PD-MCI (Adapted-GMT), and a psychoeducation program combined with mindfulness exercises. Twelve persons with PD-MCI with executive dysfunctions, as measured by extensive neuropsychological evaluation, were randomly assigned to one of two intervention groups. Both groups received five sessions each lasting 60-90 minutes for five weeks, in presence of the caregiver. Measures were collected at baseline, mid-point, at one-week, four-week and 12-week follow-ups. Primary outcomes were executive functions assessed by subjective (DEX questionnaire patient- and caregiver-rated) and objective (Zoo Map Test) measures. Secondary outcomes included quality of life (PDQ-39), global cognition (DRS-II), and neuropsychiatric symptoms (NPI-12). Safety data (fatigue, medication change and compliance) were also recorded. Repeated measures ANCOVAs were applied to outcomes. Both groups significantly ameliorated executive functions overtime as indicated by improvements in DEX-patient and DEX-caregiver scores. PDQ-39 scores decreased at the four-week follow-up in the Psychoeducation/Mindfulness group whereas they were maintained in the Adapted-GMT group. All other measures were maintained over time in both groups. Adapted-GMT and Psychoeducation/Mindfulness groups both improved executive functioning. This is one of the first studies to test home-based approaches, tailored to the participant's cognitive needs, and involving caregivers.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
12

participants targeted

Target at below P25 for not_applicable parkinson-disease

Timeline
Completed

Started Apr 2018

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 30, 2018

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 20, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 20, 2019

Completed
1.3 years until next milestone

First Submitted

Initial submission to the registry

October 30, 2020

Completed
20 days until next milestone

First Posted

Study publicly available on registry

November 19, 2020

Completed
Last Updated

November 19, 2020

Status Verified

November 1, 2020

Enrollment Period

1.2 years

First QC Date

October 30, 2020

Last Update Submit

November 16, 2020

Conditions

Keywords

Mild Cognitive ImpairmentParkinson DiseaseCognitive InterventionGoal Management TrainingExecutive Functions

Outcome Measures

Primary Outcomes (11)

  • Raw score Change from baseline DEX (self rated) to 3 weeks after beginning of intervention

    Questionnaire on subjective executive functions

    3 weeks after beginning of intervention (mid-point)

  • Raw score Change from baseline DEX (self rated) to 1 week post test

    Questionnaire on subjective executive functions

    1 week post-test

  • Raw score Change from baseline DEX (self rated) to 4 weeks post test

    Questionnaire on subjective executive functions

    4 weeks post-test

  • Raw score Change from baseline DEX (self rated) to 12 weeks post test

    Questionnaire on subjective executive functions

    12 weeks post-test

  • Raw score Change from baseline DEX (caregiver rated) to 3 weeks after the beginning of intervention

    Questionnaire on subjective executive functions (caregiver rates the executive functions of the participant

    3 weeks after beginning of intervention (mid-point)

  • Raw score Change from baseline DEX (caregiver rated) to 1 week post test

    Questionnaire on subjective executive functions (caregiver rates the executive functions of the participant

    1 week post-test

  • Raw score Change from baseline DEX (caregiver rated) to 4 weeks post test

    Questionnaire on subjective executive functions (caregiver rates the executive functions of the participant

    4 weeks post-test

  • Raw score Change from baseline DEX (caregiver rated) to 12 weeks post test

    Questionnaire on subjective executive functions (caregiver rates the executive functions of the participant

    12 weeks post-test

  • Raw score Change from baseline Zoo Map Test to 1 week post test

    Neuropsychological test assessing planification and organisation

    1 week post-test

  • Raw score Change from baseline Zoo Map Test to 4 weeks post test

    Neuropsychological test assessing planification and organisation

    4 weeks post-test

  • Raw score Change from baseline Zoo Map Test to 12 weeks post test

    Neuropsychological test assessing planification and organisation

    12 weeks post-test

Secondary Outcomes (19)

  • Raw score Change from baseline Parkinson Disease Questionnaire (39 items; PDQ-39) to 3 weeks after the beginning of intervention

    3 weeks after beginning of intervention (mid-point of intervention)

  • Raw score Change from baseline PDQ-39 to 1 week post-test

    1 week post-test

  • Raw score Change from baseline PDQ-39 to 4 weeks post-test

    4 weeks post-test

  • Raw score Change from baseline PDQ-39 to 12 weeks post-test

    12 weeks post-test

  • Mean Change from baseline Dementia Rating Scale, 2nd edition (DRS-II) to 1 week post-test

    1 week post-test

  • +14 more secondary outcomes

Study Arms (2)

Goal Management Training

EXPERIMENTAL

GMT modules were adapted for French-speaking patients with PD-MCI. Each session was reduced from nine 90-120-minute sessions (original GMT) to five 60-90-minute sessions, one session per week, in order to avoid fatigue. As for original GMT, participants were given exercises between sessions (mindfulness exercises and metacognitive reflections). In original-GMT, some information is repeated several times, but not in Adapted-GMT. Exercises demanding motor dexterity, such as card distribution, were removed. Adapted-GMT included information on PD-MCI and executive dysfunction (some psychoeducation). In addition, Adapted-GMT modules were administered individually with an iPad, as opposed to a power-point group presentation in original-GMT. A workbook was handed to participants, as in previous studies.

Behavioral: Goal Management Training

Psychoeducation sessions coupled mindfulness exercises

ACTIVE COMPARATOR

Five modules were designed as a discussion with patients and caregivers about various PD symptoms: module I-brain and motor symptoms; module II-autonomic symptoms; module III- psychological symptoms; module IV-brain and cognition; and module V-cognitive impairments in PD. Patients were handed the information book about the five modules at the beginning of the study. The objective was to improve their understanding of their condition and to discuss other components that could affect their cognitive abilities. After the 40-60-minute informative part, mindfulness exercises were offered for 20-30 minutes per session. Participants were not invited to practice exercises between sessions, but 3/6 participants reported they did.

Behavioral: Psychoeducation

Interventions

Goal Management Training® (GMT) has been developed to improve executive functions. It was validated in patients presenting executive dysfunction following many conditions: acquired traumatic brain injury, neurodevelopmental spina bifida, attention deficit and hyperactivity disorder (ADHD), subjective cognitive complaints and multiple sclerosis. GMT includes self-instruction strategies, self-monitoring exercises, cognitive training techniques, psychoeducation on cognitive processes, mindfulness exercises and assignments between sessions. It has been shown to increase patient awareness of deficits and improve cognitive control in goal-directed behaviors. The original GMT is a nine-week program administered to dysexecutive patients in 90-to-120-minute group sessions. Thus, it might be suitable for PD-MCI patients presenting with executive dysfunction.

Goal Management Training
PsychoeducationBEHAVIORAL

See the Arm section for full details. For a justification of how we designed this intervention: Many clinical guidelines include general recommendations about giving information to PD patients and family so they can take part into decision process. However, few standardized psychoeducation interventions are available, and they don't include information on PD cognitive decline. Some studies investigated Mindfulness Based Stress Reduction (MBSR) and other related mindfulness interventions in PD patients. In this approach, formal meditative exercises are included to develop non-judgmental attention to experiences in the present moment. In elderly patients with MCI unrelated to PD, mindfulness interventions show positive effects on cognitive functioning, including attention, executive functioning and memory (Gard et al., 2014). Therefore, non-pharmacological interventions for PD-MCI including both education on cognitive symptoms, as well as mindfulness exercises, are promising.

Psychoeducation sessions coupled mindfulness exercises

Eligibility Criteria

Age50 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • PD diagnosis from the United Kingdom Research Brain Bank diagnostic criteria for PD (Hughes et al., 1992);
  • PD-MCI diagnosis from the Movement Disorder Society Task Force diagnostic criteria. Single and multiple-domain MCI were both included, only if executive functions were significantly impaired (-1 standard deviation on executive function tests according to age and education-adjusted norms);
  • Montreal Cognitive Assessment scores between 21 and 27;
  • Anti-Parkinson medication stable (at screening) since at least two months;
  • All other medications, including psychotropics, stable for at least three months.

You may not qualify if:

  • Participants with PD and dementia diagnosis
  • Patients with other neurological or psychiatric disorders.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

School of Psychology

Québec, G1V0A6, Canada

Location

Related Publications (21)

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    PMID: 29314218BACKGROUND
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    PMID: 22275317BACKGROUND
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    PMID: 16965885BACKGROUND
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    PMID: 22689702BACKGROUND
  • Roy MA, Doiron M, Talon-Croteau J, Dupre N, Simard M. Effects of Antiparkinson Medication on Cognition in Parkinson's Disease: A Systematic Review. Can J Neurol Sci. 2018 Jul;45(4):375-404. doi: 10.1017/cjn.2018.21. Epub 2018 May 11.

    PMID: 29747716BACKGROUND
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MeSH Terms

Conditions

Parkinson DiseaseCognitive Dysfunction

Condition Hierarchy (Ancestors)

Parkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesMovement DisordersSynucleinopathiesNeurodegenerative DiseasesCognition DisordersNeurocognitive DisordersMental Disorders

Study Officials

  • Martine Simard

    Professor at Laval School of psychology

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, OUTCOMES ASSESSOR
Masking Details
The research was a single blind randomized comparative study. After the screening evaluation, participants were randomly assigned to either group A or B, described below (block randomization, three blocks of four participants).
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Model Details: Comparison of two different cognitive intervention (two groups, randomized, single blinded)
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 30, 2020

First Posted

November 19, 2020

Study Start

April 30, 2018

Primary Completion

July 20, 2019

Study Completion

July 20, 2019

Last Updated

November 19, 2020

Record last verified: 2020-11

Data Sharing

IPD Sharing
Will not share

Locations