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A Randomised Controlled Trial of Home-based Exercise Intervention for Caregivers of Persons With Dementia

5. maj 2016 opdateret af: Dr. Chan Wai Chi, The University of Hong Kong
The study aims to compare the efficacy of a home-based structured exercise programme (12-step sitting Tai Chi) involving both persons with dementia and their caregivers with a standard non-exercise social contact control in treating depression among caregivers. The effects of exercise on their cognition, quality of life and balance ability are also assessed. We will also examine if BDNF polymorphisms modulate mood changes in response to exercise intervention. Focus groups will be organised at the end to find out the facilitators and barriers in taking up exercise. The findings may offer an avenue of intervention by providing a low cost, relatively safe and effective treatment for dementia caregivers, which may in turn benefit the persons with dementia.

Studieoversigt

Status

Ukendt

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

The proposed study is a single-blind randomised controlled trial for two years. We will compare the efficacy of a home-based structured exercise programme (12-step sitting Tai Chi) for both carers and care recipients with a standard non-exercise social contact control in the treatment of depression among caregivers of persons with dementia. The study hypotheses include:

  1. The structured home-based exercise programme will reduce caregiver depression. (Primary outcome)
  2. The home-based exercise will improve caregivers' cognitive performance, quality of life and balance ability at the end of the study. (Secondary outcome)
  3. The home-based exercise will improve the cognitive performance, quality of life and balance ability of persons with dementia at the end of the study. (Secondary outcome)
  4. We also hypothesise that BDNF gene modulates mood changes in response to exercise intervention. (Secondary outcome)

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

272

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Kina
      • Hong Kong, Kina
        • Rekruttering
        • Hong Kong East Cluster, Hospital Authority
        • Ledende efterforsker:
          • Kong Hing Leung
      • Hong Kong, Kina
        • Rekruttering
        • Hong Kong West Cluster, Hospital Authority
        • Kontakt:
        • Ledende efterforsker:
          • Wai Chi Chan
      • Hong Kong, Kina
        • Rekruttering
        • Kowloon West Cluster, Hospital Authority
        • Ledende efterforsker:
          • Karen Wat
      • Hong Kong, Kina
        • Rekruttering
        • New Territories East Cluster, Hospital Authority
        • Ledende efterforsker:
          • Linda Lam
      • Hong Kong, Kina
        • Afsluttet
        • New Territories West Cluster, Hospital Authority

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

Caregivers

  • 18 years of age and above
  • Live with persons with dementia
  • 15-item Geriatric Depression Scale (GDS) >0 and <8
  • No regular (i.e. ≥ 3 times/week) Tai Chi practice or other forms of mind-body exercise (e.g. yoga, qigong, mindfulness training) in the past six months
  • Understand Chinese
  • If they are on an antidepressant, they will not be included in the study unless they have been receiving pharmacological treatment on a steady dose for three months

Care recipient

  • Aged 60 years or above
  • Dementia diagnosis confirmed by a physician
  • Dependence in at least one Activities of daily living(ADL)
  • Mini Mental State Examination (MMSE) > 10
  • No regular (i.e. ≥ 3 times/week) Tai Chi practice or other forms of mind-body exercise (e.g. yoga, qigong, mindfulness training) in the past six months

Exclusion Criteria:

Caregivers

  • Presence of psychotic symptoms, imminently suicidal, unstable medical conditions (e.g. recent heart attack, recent stroke, episodes of dizziness, fainting attacks) or significant orthopaedic problems rendering participants unsuitable for physical training
  • Carers who are found to have mental conditions that warrants psychiatric assessment and/or treatment (e.g. GDS >8, i.e. local cut-off score for significant depressive symptoms, or suicidal) will be referred to appropriate units for follow up

Care recipient

  • Presence of psychotic symptoms, unstable medical conditions (e.g. recent heart attack, recent stroke, episodes of dizziness, fainting attacks) or significant orthopaedic problems rendering participants unsuitable for physical training

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Støttende pleje
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: 12-step sitting Tai Chi Chuan
The intervention is a simplified Tai Chi Chuan exercise, which consists of 12 steps, including weight shifting in different sitting positions, trunk and upper limb movements, and alternate thigh lift in a smooth and coordinated manner.
Andet: 12-step sitting Tai Chi Chuan
The intervention consists of eight home-based sessions on 12-step sitting Tai Chi Chuan. Each session will last for an hour.
Placebo komparator: Control
We provide participants in the control group with a level of social contact equivalent to the intervention group, which comprises structured conversations on topic other than physical activity.
Andet: Control
The control consists of eight home-based sessions on useful health-care information. Each session will last for an hour.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change from baseline Hamilton Rating Scale for Depression in caregivers
Tidsramme: Week 12
The proportion of participants who are classified as responders by Hamilton Rating Scale for Depression (HAM-D-17). HAM-D-17 is a widely used and reliable measure of depressive symptoms. The scores range from 0 to 52, with higher scores indicating greater depression severity. Response to intervention is defined as a reduction of HAM-D-17 total score by ≥50% from baseline to endpoint.
Week 12

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Berg Balance Scale in caregivers and care recipients
Tidsramme: Week 12
Berg Balance Scale (BBS)
Week 12
Mini Mental State Examination in caregivers and care recipients
Tidsramme: Week 12
Global cognitive function will be measured by Mini Mental State examination (MMSE)
Week 12
Quality of life in caregivers and care recipients
Tidsramme: Week 12
SF-12 Health Survey (SF-12)
Week 12

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

The University of Hong Kong

Samarbejdspartnere

Chinese University of Hong Kong
Food and Health Bureau, Hong Kong
University of Melbourne
National Ageing Research Institute, Australia

Efterforskere

  • Ledende efterforsker: Wai Chi Chan, The University of Hong Kong

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. maj 2014

Primær færdiggørelse (Forventet)

1. september 2016

Studieafslutning (Forventet)

1. marts 2017

Datoer for studieregistrering

Først indsendt

28. april 2014

Først indsendt, der opfyldte QC-kriterier

3. maj 2014

Først opslået (Skøn)

6. maj 2014

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

6. maj 2016

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

5. maj 2016

Sidst verificeret

1. maj 2016

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 11121441

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Kliniske forsøg med Depression

Kliniske forsøg med 12-step sitting Tai Chi Chuan

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