The Effectiveness of Group Psychotherapy for Cluster C Personality Disorders: A pragmatic RCT comparing Psychodynamic and Two Forms of Schema Group Therapy

Recruiting

Conditions: 1. Cluster C Personality Disorders 2.angstige/geremde persoonlijkheidsproblematiek
10034726

Registration Number: NL-OMON52525

Lead Sponsor: Arkin (Amsterdam)

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Recruiting

Sex: Not specified

Target Recruitment: 290

Inclusion Criteria

- Primary diagnosis: DSM-5 diagnosis of a cluster C PD or otherwise specified
PD with predominantly cluster C traits, operationalized as a minimum of 5
cluster C traits.
- Age 18-65 years
- A written informed consent
- The willingness and ability to participate in a group treatment of 1 - 2
years.

Exclusion Criteria

-(Sub threshold) Cluster A or B PD
- Non-Dutch speakers/readers
- Immediate intensive treatment or hospitalization is needed, e.g. acute
suicidality
- Severe psychiatric disorder requiring priority in treatment (autism spectrum
disorder, psychotic symptoms, bipolar disorder)
- Severe substance use disorder
- No fixed home address
- Estimated IQ <80
- Pregnancy or other practical reasons why trial demands can*t be met

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Change in severity of cluster C personality disorder (APD-IV) will be the main<br /><br>outcome measure.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Secondary outcome measures are psychiatric symptoms, structural personality<br /><br>pathology, recovery of personality disorder, quality of life and costs from a<br /><br>societal perspective. Assessments will take place at baseline (after signing<br /><br>informed consent en before randomization) and at start of treatment and 1, 3,<br /><br>6, 9, 12, 18, 24 and 36 months after the start of the treatment.</p><br>