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Multidisciplinary Lifestyle-enhancing Treatment for People With Severe Mental Illness in Sheltered Housing Facilities

17 maj 2020 uppdaterad av: GGZ Centraal

Multidisciplinary Lifestyle-enhancing Treatment for Long-term Severe Mentally Ill Inpatients: Sheltered Housing

Introduction and rationale:

Unhealthy eating habits and lack of physical activity are risk factors for many diseases (including metabolic syndrome) and contribute to a shortened lifespan of 15-30 years in people with severe mental illness (SMI). Literature, mainly including short-term hospitalized or outpatients, show strong positive effects of activation on both physical and mental health. However, studies in long-term care are limited. In recent years, implementation of a lifestyle enhancing treatment intervention in clinical settings in "GGz Centraal" has demonstrated to be effective. The question is whether this kind of lifestyle intervention in sheltered housing is applicable and effective.

Objectives:

This research aims to develop an appropriate lifestyle intervention for patients living in sheltered housing services of GGz Centraal, based on input of patients and directly involved. Does applying this lifestyle treatment result in a positive effect in health and quality of life of patients and what is the influence of contextual factors, personal- and disease characteristics?

Study design:

In this intervention study, we use an experimental design. Municipal locations are paired based on the number of participants to generate equal cluster sizes. These paired clusters are randomly allocated to the control or intervention arm by means of a random number generator by an independent person (not involved in this project). At the start of the lifestyle treatment patients in the experimental and control group are invited to participate in the baseline screening. After twelve months, following a post-test on all outcome measures.

Treatment intervention:

The intervention in this study consists of formulating a lifestyle intervention, by patients and directly involved, aimed at enhancing a more active and healthier lifestyle . After formulation of the plan (based on psycho education, nutrition and physical activity), it wil be executed for a twelve month period.

Hypothesis:

Hypotheses is that lifestyle enhancing treatment is associated with improved metabolic health, quality of life and reduced use of medication. Furthermore we expect that movement disorders and disease severity will be negative related in becoming more active.

Studieöversikt

Status

Avslutad

Intervention / Behandling

Detaljerad beskrivning

Sample size calculation:

To calculate the sample size we use the effect size on decrease in waist circumference in the previous intervention study (d =0.51) and the same analysis (multiple regression with correction for baseline value's on age, diagnosis and disease severity). To be able to detect the same effect in the current study with a minimum 80% power as a benchmark for a fair test and a significant level of 95% (α = 0.05), a minimum sample of 124 people is required (2 groups of 62). Taking into account a response rate of 73% from the first measurement a sample size of 168 patients is required.

Analyses:

We use multilevel regression to analyze the intervention effect. Possible clustering of data within the residential locations (and thus care teams) is taken into account by using a two-level structure with the first level residential location and the patients as the second. The intervention variable is set as an independent variable against difference scores of outcome variables (T2 minus T1) and corrected for the baseline value of the outcome to prevent regression to the centre. As we are unable to randomize patients individually in the current configuration on personal and disease characteristics (gender, age, diagnosis, disease severity at the start of intervention), these factors will be corrected for in the analyses if they differ significantly(p<0.05) between intervention and control group, analysed using independent t-tests and chi-squared tests. Characteristics that differ significantly will be included as covariates in the analysis described above. Multicollinearity will be checked with correlation coefficients and collinearity statistics (tolerance and Variance Inflation Factors (VIF) values).

Missing data:

Patients who are hospitalized for more than two months will be excluded from analyses.

If baseline or follow-up data are missing for two or more measures on physical or psychiatric health, patients are excluded from the analysis as insufficient difference scores can be calculated. Patients lacking difference scores on one outcome variable, are excluded from the analysis of that particular variable.

Studietyp

Interventionell

Inskrivning (Faktisk)

177

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

    • Gelderland
      • Ermelo, Gelderland, Nederländerna, 3853LC
        • Veldwijk

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år och äldre (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • Severe Mentally Ill patients,
  • living in Sheltered Housing facilities

Exclusion Criteria:

  • Incapacitated patients,
  • without informed consent from their legal representative

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Övrig
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Inget ingripande: Behandling som vanligt
Experimentell: Lifestyle treatment
Lifestyle treatment

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Metabolic Health: Waist circumference
Tidsram: 12 months
measured halfway between the iliac crest and lowest rib in standing position
12 months

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Metabolic Health: weight
Tidsram: 12 months
weight measured to the nearest 0.1kg
12 months
Metabolic Health: blood pressure
Tidsram: 12 months
measured systolic and diastolic blood pressure (mmHg)
12 months
Metabolic Health:Lipids
Tidsram: 12 months
values in blood sample
12 months
Metabolic Health:Fasting glucose
Tidsram: 12 months
values in blood sample
12 months
Metabolic health: HbA1c
Tidsram: 12 months
values in blood sample
12 months
Sedentary behaviour & physical activity
Tidsram: 12 months
measured 5 consecutive days with an accelerometer (ActiGraph GT3X+
12 months
Quality of Life EuroQol 5D
Tidsram: 12 months
measured by the EuroQol 5D (EQ-5D)
12 months
Quality of Life WHOQoL
Tidsram: 12 months
measured by the WHOQoL-Bref
12 months
Psychopathology BPRS-E
Tidsram: 12 months
Psychopathology / illness severity measured by the BPRS-E
12 months
Implementation fidelity
Tidsram: At follow-up (12 months)
A proxy for implementation fidelity using the 'descriptive norm' item of the Measurement Instrument for Determinants of Innovations
At follow-up (12 months)

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Utredare

  • Studierektor: Peter N van Harten, Prof. Dr., GGz Centraal

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

19 juli 2017

Primärt slutförande (Faktisk)

1 mars 2020

Avslutad studie (Faktisk)

17 maj 2020

Studieregistreringsdatum

Först inskickad

8 maj 2017

Först inskickad som uppfyllde QC-kriterierna

15 maj 2017

Första postat (Faktisk)

17 maj 2017

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

19 maj 2020

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

17 maj 2020

Senast verifierad

1 maj 2020

Mer information

Termer relaterade till denna studie

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • NL61552.075.17

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