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

Lifestyle Clinical Trial

Official title:

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

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT03157557
• Other study ID #: NL61552.075.17
• Status: Completed
• Phase: N/A
• Start date: July 19, 2017
• Est. completion date: May 17, 2020

Study information

• Verified date: May 2020
• Source: GGZ Centraal
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

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.

Description:

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.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 177
• Est. completion date: May 17, 2020
• Est. primary completion date: March 1, 2020
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

• Severe Mentally Ill patients,

• living in Sheltered Housing facilities

Exclusion Criteria:

• Incapacitated patients,

• without informed consent from their legal representative

Related Conditions & MeSH terms

• Lifestyle
• Mental Disorders
• Mental Disorders, Severe

Intervention

Behavioral:
• Lifestyle treatment
Lifestyle treatment

Locations

Country	Name	City	State
Netherlands	Veldwijk	Ermelo	Gelderland

Sponsors (1)

Lead Sponsor	Collaborator
GGZ Centraal

Country where clinical trial is conducted

Netherlands, 

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* Note: There are 36 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Metabolic Health: Waist circumference	measured halfway between the iliac crest and lowest rib in standing position	12 months
Secondary	Metabolic Health: weight	weight measured to the nearest 0.1kg	12 months
Secondary	Metabolic Health: blood pressure	measured systolic and diastolic blood pressure (mmHg)	12 months
Secondary	Metabolic Health:Lipids	values in blood sample	12 months
Secondary	Metabolic Health:Fasting glucose	values in blood sample	12 months
Secondary	Metabolic health: HbA1c	values in blood sample	12 months
Secondary	Sedentary behaviour & physical activity	measured 5 consecutive days with an accelerometer (ActiGraph GT3X+	12 months
Secondary	Quality of Life EuroQol 5D	measured by the EuroQol 5D (EQ-5D)	12 months
Secondary	Quality of Life WHOQoL	measured by the WHOQoL-Bref	12 months
Secondary	Psychopathology BPRS-E	Psychopathology / illness severity measured by the BPRS-E	12 months
Secondary	Implementation fidelity	A proxy for implementation fidelity using the 'descriptive norm' item of the Measurement Instrument for Determinants of Innovations	At follow-up (12 months)