Condition category
Mental and Behavioural Disorders
Date applied
22/11/2006
Date assigned
22/11/2006
Last edited
30/03/2011
Prospective/Retrospective
Retrospectively registered
Overall trial status
Completed
Recruitment status
No longer recruiting

Plain English Summary

Not provided at time of registration

Trial website

http://www.rgoc.nl

Contact information

Type

Scientific

Primary contact

Dr S Castelein

ORCID ID

Contact details

University Medical Center Groningen
Department of Psychiatry
RGOc
Room 5.29
P.O. Box 30001
Groningen
9700 RB
Netherlands
+31 (0)50 3612074
s.castelein@psy.umcg.nl

Additional identifiers

EudraCT number

ClinicalTrials.gov number

Protocol/serial number

N/A

Study information

Scientific title

Acronym

Study hypothesis

Participation in support groups leads to an improvement in quality of life, social support, social network, self-efficacy and self-esteem.

Ethics approval

Medisch Ethische Toetsingscommissie of the University Medical Center Groningen, Groningen, The Netherlands, approval received on May 2, 2003 (reference number: METC 2003/053).

Study design

Randomised controlled, parallel armed trial

Primary study design

Interventional

Secondary study design

Randomised controlled trial

Trial setting

Not specified

Trial type

Treatment

Patient information sheet

Condition

Schizophrenia, Psychosis

Intervention

Meetings with approximately ten patients, were held every two weeks with minimal professional guidance. Topics of discussion were put forward by the participants. All procedures were protocolised.

Intervention type

Other

Phase

Not Specified

Drug names

Primary outcome measures

Quality of Life: World Health Organisation (WHO) Quality of Life brief

Secondary outcome measures

1. Social support
2. Social network
3. Self-efficacy
4. Self-esteem
5. Psychopathology

Overall trial start date

01/02/2003

Overall trial end date

01/12/2007

Reason abandoned

Eligibility

Participant inclusion criteria

1. Suffered from one or more psychotic episodes
2. Outpatient
3. 18 years or older

Participant type

Patient

Age group

Not Specified

Gender

Not Specified

Target number of participants

106

Participant exclusion criteria

1. Drug- or alcohol misuse
2. Suffering from psychotic symptoms that influence the group process

Recruitment start date

01/02/2003

Recruitment end date

01/12/2007

Locations

Countries of recruitment

Netherlands

Trial participating centre

University Medical Center Groningen
Groningen
9700 RB
Netherlands

Sponsor information

Organisation

University Medical Center Groningen (UMCG) (The Netherlands)

Sponsor details

Rob Giel Research Center (RGOc)
P.O. Box 30001
Groningen
9700 RB
Netherlands
+31 (0)50 3612074
rgoc@med.umcg.nl

Sponsor type

Hospital/treatment centre

Website

Funders

Funder type

Research organisation

Funder name

The Netherlands Organization for Health Research and Development (ZonMw) (Netherlands)

Alternative name(s)

Funding Body Type

Funding Body Subtype

Location

Results and Publications

Publication and dissemination plan

Not provided at time of registration

Intention to publish date

Participant level data

Not provided at time of registration

Results - basic reporting

Publication summary

1. S. Castelein, R. Bruggeman, J.T. van Busschbach, M. van der Gaag, P.J. Mulder, H. Knegtering en D. Wiersma. The effectiveness of support groups for people suffering from psychosis: a multi-center randomized controlled trial. Schizophrenia Bulletin. 2005, vol. 31, number 2, 521
2. 2010 results in http://www.ncbi.nlm.nih.gov/pubmed/20456786 [in Dutch]
3. 2011 results in http://www.ncbi.nlm.nih.gov/pubmed/19308728

Publication citations

  1. Results

    Stant AD, Castelein S, Bruggeman R, van Busschbach JT, van der Gaag M, Knegtering H, Wiersma D, Economic aspects of peer support groups for psychosis., Community Ment Health J, 2011, 47, 1, 99-105, doi: 10.1007/s10597-009-9193-8.

Additional files

Editorial Notes