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Cognitive Self-therapy (CST) for patients with chronic-recurrent depression or anxiety.


- candidate number1585
- NTR NumberNTR375
- ISRCTNISRCTN61381864
- Date ISRCTN created19-dec-2005
- date ISRCTN requested28-okt-2005
- Date Registered NTR12-sep-2005
- Secondary IDsOG 00-028 
- Public TitleCognitive Self-therapy (CST) for patients with chronic-recurrent depression or anxiety.
- Scientific TitleCognitive Self-therapy (CST) for patients with chronic-recurrent depression or anxiety.
- ACRONYMCST
- hypothesisDoes Cognitive Self-therapy (CST) in outpatient mental health care has any superiority as to cost-effectiveness and outcome compared to treatment as usual?
- Healt Condition(s) or Problem(s) studiedDepression, Anxiety disorders
- Inclusion criteria1. DSM IV diagnosis of chronic and/or recurrent depression, dysthemic disorder or (generalised) anxiety disorder;
2. Duration of symptoms more than 2 years;
3. 18-65 years.
- Exclusion criteria1. Suicidal behaviour;
2. Psychosis;
3. Substance dependency;
4. IQ < 85;
5. Lack of insight in personal vulnerability in social contacts or relationship.
- mec approval receivedyes
- multicenter trialyes
- randomisedyes
- masking/blindingNone
- controlActive
- groupParallel
- Type2 or more arms, randomized
- Studytypeintervention
- planned startdate 1-mrt-2000
- planned closingdate1-dec-2004
- Target number of participants151
- InterventionsTreatment as usual (TAU) versus CST which is a structured method that seeks to restructure cognitive schemata by focusing on problems in social functioning and relationships and consists of a Preparatory Phase, 2) an Orientation Course of three weekly morning-meetings to practice with peers; a Basic Course of 5 weekly, day-long sessions in which patients learn to manage self-therapy sessions with peers.
Those who perform these sessions adequately are certified to participate in weekly meetings, now led by peers in accordance with the manual, as taught during the BC.
The patients’ role in the treatment gradually evolves into that of “paraprofessionals,” such that finally they conduct Self-Therapy sessions in reciprocal relationships with peers.
- Primary outcomeSymptoms of anxiety and depression (SCL-90; BDI; ZBV).
- Secondary outcome1. Quality of life;
2. Social functioning;
3. WHO Qol;
4. Euroqol.
- TimepointsN/A
- Trial web siteN/A
- statusstopped: trial finished
- CONTACT FOR PUBLIC QUERIESProf. Dr. D. Wiersma
- CONTACT for SCIENTIFIC QUERIESDrs. P.C.A.M. Boer, den
- Sponsor/Initiator University Medical Center Groningen (UMCG)
- Funding
(Source(s) of Monetary or Material Support)
ZON-MW, The Netherlands Organization for Health Research and Development, University Medical Center Groningen (UMCG)
- Publications1. den Boer, P. C. A. M., Mersch, P. P. A., and Wiersma, D. (2004) Cognitieve zelftherapie. Verslag van een pilot-studie naar een alternatieve behandeling voor psychiatrische patiënten. Maandblad Geestelijke volksgezondheid, 59, 325-338.


2. den Boer, P. C. A. M., Wiersma, D., and van den Bosch, R. (2004b) Why is self-help neglected in the treatment of emotional disorders? A meta-analysis. Psychological medicine, 34, 959-972.


3. Boer PCAM den, Bosch RJ van den, Vaarwerk I ten, Stant AD, Wiersma D. Cognitive Self-Therapy in chronic and remittent emotional disorders is effective and reduces therapist contact: a multi-center randomized controlled trial. Brit J Psychiatry in press.
- Brief summaryBoth treatment conditions showed significant improvements on symptom measures but did not differ between each other as to the main outcome SCL-90. CST patients improved more in some aspects of life satisfaction (e.g., feelings of safety, finance, recreation, transport; WHO-Qol, environmental sub-scale), and in social functioning in relationships with parents and siblings.
They also had significantly fewer contacts with other therapists (non-psychiatrists) than TAU patients. None of the patients committed suicide.
No variables were predictive for a good outcome.
CST patients appeared to rely more on their own experiences while TAU relied more on the judgement of other people.
The higher initial costs for the CST condition were compensated by considerably lower costs during follow-up.
- Main changes (audit trail)
- RECORD12-sep-2005 - 16-jun-2008


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