Beyond addiction: a randomized controlled trial on the effectiveness of group schema therapy in patients with dual diagnosis

Recruiting

Conditions: Dual Diagnosis
Substance disorder with comorbid psychiatric disorder(s)
10037176

Registration Number: NL-OMON55529

Lead Sponsor: Parnassia Bavo Groep (Den Haag)

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Recruiting

Sex: Not specified

Target Recruitment: 106

Inclusion Criteria

- the presence of a Dual Diagnosis (i.e. having a Substance Use Disorder,
except only nicotine use disorder, and one or more DSM-5 diagnoses other than a
substance use disorder, including at least one Personality Disorder)
- between 18 and 65 years of age
- willing to participate in the study.

Exclusion Criteria

- an IQ below 80 (in case of doubt an intelligence test is administered)
- problems with speaking, reading and/or writing the Dutch language
- having mental health problems that require other treatment (i.e. the presence
of schizophrenia, bipolar disorder type 1, acute suicidality and/or SUD that
needs immediate detoxification)
- personality traits (e.g. aggression outbursts, being indifferent to
mistreating others) that make it difficult to participate in a group context
and
- having received ST and/or CGT for addiction problems for more than three
months duration in the past year.

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>The primary outcome measure will be the difference between the two treatment<br /><br>groups on general psychopathology as measured by the Symptom Check List<br /><br>(SCL-90). </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>The secondary outcome measure will be the difference in addiction severity<br /><br>between the two groups. This will be investigated by a subtest of the Addiction<br /><br>Severity Index (ASI). An important process measure will be emotion regulation<br /><br>and will be measured by the Emotion Regulation Questionnaire (EQ). </p><br>