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Efficacy of a Multicomponent Cognitive Intervention in Adults With Subjective Cognitive Decline and Mild Cognitive Impairments

31. August 2021 aktualisiert von: National Taiwan University Hospital

Efficacy of a Multicomponent Cognitive Intervention Program on the Cognitive and Daily Function in Adults With Subjective Cognitive Decline and Mild Cognitive Impairments: A Pilot Study

Individuals with mild cognitive impairment (MCI) and subjective cognitive decline (SCD) have greater risk of developing dementia. Cognitive intervention is a topic of great interest in individuals with MCI and SCD for the purpose of preventing or delaying the occurrence of dementia. There are many different types of cognitive interventions, which aim to positively impact the cognitive functioning of an individual and have been classified as cognitive stimulation, cognitive training, and cognitive rehabilitation. However, most studies used neuropsychological cognitive measures for outcome evaluation. The impact of cognitive interventions on daily functional performance among individuals with MCI and SCD were rarely explored. In addition, cognitive training focusing on specific cognitive outcomes is suspected to have limited far transfer to everyday measures. Therefore, a multicomponent intervention which integrates several types of intervention is recommended to reach the maximum impact on daily function.

The purposes of this study are to examine the effects of a multicomponent cognitive intervention on cognitive and daily functional outcomes in individuals with MCI and SCD, and to compare the effects between the two groups. In addition, the investigators will also investigate whether the demographic (e.g., age and educational level, etc.) and clinical variables (e.g., duration of cognitive complains, level of depression and baseline cognitive function, etc.) may affect the outcomes of cognitive intervention.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

This study is a pretest-posttest design. Thirty-five subjects with MCI and 35 with SCD, who are diagnosed by physicians, will be recruited from the neurology outpatient clinic of National Taiwan University Hospital. All participants will wait for 16 weeks as a historical control and then receive the multicomponent cognitive intervention. The intervention is composed of 14 weekly 1.5-hour group sessions and 2 individual sessions in a 4-month period.

The multicomponent cognitive intervention in this study is a combination of several approaches, including cognitive training, cognitive rehabilitation, lifestyle interventions, and psychological interventions. Cognitive training is an approach which trains patients by repeated practicing to optimize or restore cognitive functions. Cognitive rehabilitation is tailored programs in which therapist usually provides patient strategies focusing on specific activities of daily life. Lifestyle interventions educate and encourage individuals to make changes to their life to balance the risk and protective factors. The strategies can include regular physical exercise, healthy nutrition (i.e., Mediterranean diet), frequent participation in cognitively-stimulating activities, and reduction of smoking and heavy alcohol consumption. Psychological interventions target neuropsychiatric symptoms that are common among individuals with SCD and MCI (e.g., depression, anxiety, fatigue, poor sleep) and thus include relaxation exercises, mindfulness techniques, skills to manage stress and poor sleep, and cognitive behavioral techniques. By using the approaches above together, the investigators hope to improve participants' cognitive and daily function.

All participants will be assessed at four time points: before waiting period (A0), before the intervention (A1), right after the 16-week intervention (A2), and 16 weeks after the intervention (A3). The primary outcomes are the subjective and objective performance of activities of daily living, and the secondary outcomes are the cognitive performance on the neurological tests, anxiety, and depression.

Studientyp

Interventionell

Einschreibung (Tatsächlich)

28

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Taiwan
      • Taipei, Taiwan
        • National Taiwan University Hospital

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

50 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • over 50 years old
  • years of education > 6
  • mild cognitive impairment or subjective cognitive decline diagnosed by physician
  • the Barthel Index scored 100
  • the Montreal Cognitive Assessment (MoCA) > 18
  • the UPSA-Brief > 50

Exclusion Criteria:

  • without concurrent major or significant psychiatric disorders
  • severe physical diseases which might affect cognitive functions
  • difficult to follow instructions due to visual or hearing impairments

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: N / A
  • Interventionsmodell: Einzelgruppenzuweisung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: multicomponent cognitive intervention
Verhalten: multicomponent cognitive intervention

The intervention takes place in groups of 6-10 participants and is leaded by one occupational therapist. It includes 16 sessions, 90 minutes each.

The first part of each session starts with a 15-minute review of previous homework or relaxation. The second part, which lasts 35 minutes, involves structured training with activity-sheets, board games, role-playing and computerized games. The third part, which lasts 30 minutes, is the lifestyle interventions. The instructor explains the generalization of the previous activities toward daily life, and introduces healthy lifestyles. Through group discussions, the therapist guides participants to develop solutions and strategies for their memory or cognition-related problems and application to daily life. The last 10 minutes are used to suggest homework.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change from Baseline the Brief University of California San Diego (UCSD) Performance-Based Skills Assessment (UPSA-Brief ) (Traditional Chinese Version) at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
The UPSA-Brief, which consists of 2 subscales (communication and financial), is a useful performance-based functional outcome scale. It has adequate psychometric properties, predicts residential independence, is sensitive to change, and requires only 10-15 minutes to administer.
baseline, 16th, 32nd and 48th week
Change from Baseline the Activities of Daily Living Questionnaire at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
The Activities of Daily Living Questionnaire (ADLQ) is an informant-based assessment of functional abilities in patients with probable Alzheimer disease and other forms of dementia. The ADLQ measures functioning in six areas: self-care, household care, employment and recreation, shopping and money, travel, and communication.
baseline, 16th, 32nd and 48th week
Change from Baseline the Contextual Memory Test (CMT) at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
The CMT is used to objectively measure awareness of memory capacity, strategy use and recall in adults with memory dysfunction. It assess 3 areas of memory including: awareness of memory capacity, recall of line-drawn items, and strategy use.
baseline, 16th, 32nd and 48th week
Change from Baseline the Miami Prospective Memory Test (MPMT) at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
The Miami Prospective Memory Test evaluates time-related and event-related prospective memory ability of older adults.
baseline, 16th, 32nd and 48th week
Change from Baseline the Everyday Memory Questionnaire (EMQ) at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
The Everyday Memory Questionnaire (EMQ) was developed as a subjective measure of memory failure in everyday life.
baseline, 16th, 32nd and 48th week
Change from Baseline the Cognitive Failure Questionnaire (CFQ) at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
The CFQ assesses the frequency with which people experienced cognitive failures in daily life.
baseline, 16th, 32nd and 48th week

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Zeitfenster
Change from Baseline the Word Sequence Learning Test at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
baseline, 16th, 32nd and 48th week
Change from Baseline the Wechsler Memory Scale-3rd ed. (WMS-III) Logical Memory (LM) subtest at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
baseline, 16th, 32nd and 48th week
Change from Baseline the Wechsler Memory Scale-3rd ed. (WMS-III) Family Pictures (FP) subtest at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
baseline, 16th, 32nd and 48th week
Change from Baseline the Color Trails Test at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
baseline, 16th, 32nd and 48th week
Change from Baseline the Geriatric Depression Scale-Short Form (GDS-S) at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
baseline, 16th, 32nd and 48th week
Change from Baseline the State-Trait Anxiety Inventory-Situation (STAI-S) at 16 weeks, 32 weeks, and 48 weeks
Zeitfenster: baseline, 16th, 32nd and 48th week
baseline, 16th, 32nd and 48th week

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

National Taiwan University Hospital

Ermittler

  • Hauptermittler: Hui-Fen Mao, National Taiwan University Hospital

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

2. Januar 2019

Primärer Abschluss (Tatsächlich)

29. August 2021

Studienabschluss (Tatsächlich)

29. August 2021

Studienanmeldedaten

Zuerst eingereicht

15. Juli 2019

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

15. Juli 2019

Zuerst gepostet (Tatsächlich)

17. Juli 2019

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

1. September 2021

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

31. August 2021

Zuletzt verifiziert

1. Januar 2021

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • 201805012RINA

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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