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Effectiveness of Acceptance and Commitment Therapy (ACT)-based therapy

Effectiveness of Acceptance and Commitment Therapy (ACT)-based therapy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN11209732
Enrollment
170
Registered
2016-08-22
Start date
2016-05-01
Completion date
Unknown
Last updated
2025-09-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Transdiagnostic, treatment-resistant patients, presenting for specialized in- and out-patient treatment Mental and Behavioural Disorders

Interventions

Both the inpatient unit and outpatient units of the Universitären Psychiatrischen Kliniken in Basel will both apply Acceptance and Commitment Therapy. The treatment program in the inpatient unit invol

Sponsors

University of Basel (Switzerland)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Individuals 18 – 65 years of age 2. Inpatients and outpatients presenting for specialized treatment in a psychiatric university clinic 3. A history of at least one course of previous therapy 4. Signed letter of consent Added 20/06/2019: Some patients without previous therapy experience were included to enable full modelling of patients from those without treatment experience to those with treatment experience.

Exclusion criteria

Exclusion criteria: 1. Less than 18, greater than 65 years of age 2. Inability to understand the local language (German) in written form 3. Inability to complete the study design

Design outcomes

Primary

MeasureTime frame
1. Symptoms: Brief Symptom Checklist (BSCL) 2. General Functioning: World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0; 12-item version) 3. Well-Being: Mental Health Continuum (MHC-SF) Primary outcomes are measured at baseline, post, and 12 months follow up.

Secondary

MeasureTime frame
Measures of: 1. Psychological flexibility/emotional avoidance 2. Depression 3. Worry 4. Anxiety/fear 5. Obsessions and compulsions 6. Social Interaction 7. Social fear 8. Process of psychological flexibility 9. Committed action 10. Cognitive fusion 11. Mindfulness 12. Values 13. Meaning of life 14. (Problematic) emotion regulation 15. Overall social support 16. Relationship satisfaction 17. Social network quality 18. Values 19. Perceived stress 20. Daily stress 21. Prosocial behaviors 22. Cooperation 23. Expectancy Secondary outcomes are measured at baseline, post and 12 months follow up. Process measures of psychological flexibility, social interactions, social network quality, and daily stress are additionally measured at 1, 4 and 9 month follow-up.

Countries

Switzerland

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 2, 2026