NCT02730065

Brief Summary

Introduction: Cerebral small vessel disease (SVD) is associated with age-related disabilities including dementia, depression, physical and functional impairment. Chinese are more prone to developing SVD than Caucasians. Physical exercise may improve multiple negative consequences associated with SVD. Objective and hypothesis to be tested: To examine the effects of a 24-week structured aerobic dance training on cognition, mood, physical and daily functions in stroke and dementia free older adults with SVD, and whether such effects are mediated through improved cerebral vasomotor reactivity (CVR), a marker of cerebral autoregulation which is impaired in SVD. Design and subjects: Rater-blind RCT comparing the effects of 24-week of structured aerobic dance training upon cognition, mood, physical and daily functions on 110 community dwelling, stroke- and dementia-free persons aged ≥65 with MRI evidence of significant SVD, defined as the presence of multiple (≥2) lacunes and/or early confluent or confluent WML. Interventions: Participants are randomized in a 1:1 ratio into a 24-week of structured therapist-led group aerobic dance training with home practice or simple stretching plus health education control group. Main outcome measures: Cognition, mood, physical and daily functions and CVR measured using Transcranial Doppler at baseline, weeks 12, 24 and 36. Data analysis: Intent-to-treat with multiple imputations with treatment efficacy analyzed using mixed effects models. Mediation effects of CVR between aerobic dance training and treatment outcomes tested using mediation models. Expected results: In persons with significant SVD, aerobic dance training improves cognitive, mood, physical and daily functions and such effects are mediated by changes in CVR.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
110

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started May 2016

Typical duration for not_applicable

Geographic Reach
1 country

2 active sites

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 6, 2016

Completed
1 month until next milestone

First Posted

Study publicly available on registry

April 6, 2016

Completed
25 days until next milestone

Study Start

First participant enrolled

May 1, 2016

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2019

Completed
Last Updated

July 18, 2018

Status Verified

July 1, 2018

Enrollment Period

2.8 years

First QC Date

March 6, 2016

Last Update Submit

July 17, 2018

Conditions

Keywords

Cerebral small vessel diseaseLifestyle modificationPhysical activityPrimary preventionAerobic danceCognitionDepressionActivities of daily livingCerebral autoregulation

Outcome Measures

Primary Outcomes (6)

  • Cognition assessed by the 30-minute protocol of the National Institute of Neurological Diseases and Stroke - Canadian Stroke Network VCI protocol summary score

    Change from baseline to week 24

  • Depressive symptoms evaluated the Geriatric Depression Scale

    Change from baseline to week 24

  • Physical balance measured by the Mini-Balance Evaluation Systems Test

    Change from baseline to week 24

  • Functional mobility measured by the Timed-up-and-go test

    Change from baseline to week 24

  • Walking capacity assessed by the 6-minute walk test

    Change from baseline to week 24

  • Daily functioning evaluated by the Lawton's Instrumental Activities of Daily Living

    Change from baseline to week 24

Secondary Outcomes (2)

  • Cerebral vasomotor reactivity measured by Pulsatility Index obtained from middle cerebral artery and vertebral artery measured on Transcranial Doppler

    Change from baseline to week 24

  • Cerebral vasomotor reactivity measured by Breath Holding Index obtained from middle cerebral artery and vertebral artery measured on Transcranial Doppler

    Change from baseline to week 24

Other Outcomes (1)

  • Number of participants with adverse events or serious adverse events

    Throughout the entire study period up to 36 weeks

Study Arms (2)

Structured Aerobic Dance Training Group

ACTIVE COMPARATOR

Active intervention will last for 24 weeks and consists of 60-minute/session, which includes 10 minutes warm-up, 40 minutes of dancing and 10 minutes of cool down. In groups of 5, participants will practice the dance led by a physiotherapist once per week for the first 2 months and twice per week for 3rd to 6th month.

Behavioral: Structured Aerobic Dance Training Group

Stretching plus education

PLACEBO COMPARATOR

Participants in the control group will receive a weekly 3-hour group-based (group of 5 participants) programme containing stretching exercise, stress reduction and health education on dementia and stroke prevention for 6 months. The programme consists of low-intensity seated stretching, psychoeducation on stress management, various relaxation methods with practice as well as education on the causes, identification, treatment and prevention of stroke and dementia. Benefits of physical exercise will also be discussed but will its weight will be evenly balanced with other forms of evidence-based preventive strategies.

Behavioral: Stretching plus education

Interventions

Systematic physical activity

Structured Aerobic Dance Training Group

Weekly group based stretching with psychoeducation and health education

Stretching plus education

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)

You may qualify if:

  • Age ≥65
  • Community dwelling
  • Presence of significant SVD, defined by the presence of multiple (≥2) lacunar infarcts and/or a rating of ≥2 (i.e. beginning confluence of lesions to diffuse involvement of lesions in periventricular and/or deep white matter) of WML using the Age-related White Matter Changes (ARWMC) Scale on MRI
  • Presence of good temporal window on at least one side for TCD evaluation
  • Written informed consent given

You may not qualify if:

  • History of stroke
  • Dementia, determined by a score on Cantonese MMSE less than education adjusted cutoff score for dementia or history of dementia diagnosis
  • Comorbidity with medical conditions affecting the central nervous system or cerebral white matter
  • Inadequately controlled psychiatric disorders affecting cognition and mood
  • Physical or sensory impediments hindering participation in cognitive assessment or exercise training.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Chinese University of Hong Kong

Hong Kong, Hong Kong

RECRUITING

Neurology Clinical Research Centre, CUHK

Shatin, Hong Kong

NOT YET RECRUITING

MeSH Terms

Conditions

Cerebrovascular DisordersCerebral Small Vessel DiseasesMotor ActivityDepression

Interventions

Educational Status

Condition Hierarchy (Ancestors)

Brain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular DiseasesBehaviorBehavioral Symptoms

Intervention Hierarchy (Ancestors)

Socioeconomic FactorsPopulation Characteristics

Study Officials

  • Adrian Wong, PhD

    Chinese University of Hong Kong

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Adrian Wong, PhD

CONTACT

Pauline Wing Lam Kwan, MSoSc

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research Assistant Professor

Study Record Dates

First Submitted

March 6, 2016

First Posted

April 6, 2016

Study Start

May 1, 2016

Primary Completion

February 1, 2019

Study Completion

February 1, 2019

Last Updated

July 18, 2018

Record last verified: 2018-07

Locations