Changing unhelpful thinking patterns before therapy for people with cluster C personality problems

Cognitive bias modification for patients with cluster-C personality problems (CBM-I ST) a pre-therapy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN42756756

Enrollment

Registered

2026-07-27

Start date

2014-01-22

Completion date

Unknown

Last updated

2026-08-10

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

Conditions

Mental health patients with cluster C personality problems Mental and Behavioural Disorders

Interventions

Intervention: Cognitive Bias Modification for Interpretation (CBM-I) as a Pre-Therapy Intervention for Cluster C Personality Problems Participants allocated to the intervention phase receive a struct

Eligibility

Sex/Gender

All

Age

18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Cluster C personality disorder 2. Able to participate for three months 3. Motivated to participate for a computertask 4. IQ heigher than 80 5. Able to read, speak, understand, write in Dutch language 6. Able to work with a computer 7. Having a computer at home with internet connection

Exclusion criteria

Exclusion criteria: 1. Lifetime psychotic disorder other dan brief psychotic disorder 2. Substance dependence needing detox 3. ADHD 4. (Subthreshold) narcissistic personality disorder or anti-social personality disorder 5. Serious medical illness 6. Previous schema therapy for more than three months

Design outcomes

Primary

Measure	Time frame
Changes in negative or dysfunctional beliefs over time in people with personality disorders at day 14 measured using the Visual Analogue Scale for Maladaptive Core Beliefs (VAS-MCB) at daily time points during the baseline phase and during the intervention phase;Changes in positive and negative emotions at day 14 measured using the Positive and Negative Affect Schedule (PANAS) at daily time points during the baseline phase and during the intervention phase	—

Measure

Time frame

Changes in negative or dysfunctional beliefs over time in people with personality disorders at day 14 measured using the Visual Analogue Scale for Maladaptive Core Beliefs (VAS-MCB) at daily time points during the baseline phase and during the intervention phase;Changes in positive and negative emotions at day 14 measured using the Positive and Negative Affect Schedule (PANAS) at daily time points during the baseline phase and during the intervention phase

—

Secondary

Measure	Time frame
Early maladaptive schemas, emotional deprivation, and abandonment measured using the Young Schema Questionnaire (YSQ) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Temporary emotional, cognitive, and behavioral states experienced measured using the Schema Mode Inventory (SMI) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Psychological problems, psychiatric symptoms, and treatment progress measured using the Symptom Checklist-90 (SCL-90) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Personality disorder evaluation measured using the Assessment of DSM-IV Personality Disorders (ADP-4) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Interpersonal difficulties measured using the Inventory of Interpersonal Problems (IIP) at baseline, end of baseline phase, post-intervention (2 weeks), and 4-week follow-up	—

Measure

Time frame

Early maladaptive schemas, emotional deprivation, and abandonment measured using the Young Schema Questionnaire (YSQ) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Temporary emotional, cognitive, and behavioral states experienced measured using the Schema Mode Inventory (SMI) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Psychological problems, psychiatric symptoms, and treatment progress measured using the Symptom Checklist-90 (SCL-90) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Personality disorder evaluation measured using the Assessment of DSM-IV Personality Disorders (ADP-4) at baseline, end of baseline phase, post-intervention, 4-week follow-up;Interpersonal difficulties measured using the Inventory of Interpersonal Problems (IIP) at baseline, end of baseline phase, post-intervention (2 weeks), and 4-week follow-up

—

Countries

Netherlands

Contacts

Public ContactMichiel van Vreeswijk

mf.vanvreeswijk@g-kracht.com+31 0158200240

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Aug 25, 2026