Frontlight ResearchEarly access
CompletedNo phase
Group Intervention for Interpersonal Skills
Key facts
- Who runs it
- Charite University, Berlin, Germany
- Where
- Germany1 site in 1 countryChoose a country to see its sites
- Trial code
- Status
- Completed
- People taking part
- 158 people enrolled
- Started
- 3 Jul 2024
- Ended
- 13 Aug 2026
- Type of study
- Interventional, 2 groupsOne group gets an existing treatment, for comparison.
- Treatments tested
- Kiesler Circle Training (KCT)
- Cognitive Behavioral Therapy (CBT)
- Record updated
- 2 September 2026
Who can take part
- Age
- 18 years to 70 years
- Sex
- Women and men
- Healthy volunteers
- Cannot take part
The registry criteria, word for word
Show all 10 criteriaShow less
Who can take part
- Sufficient knowledge of the German language (B2 level)
- Primary diagnosis of either depressive disorder or anxiety disorder according to DSM-5 at time of screening
- Interpersonal distress above average (IIP-32 > 1.81) at time of screening
- Ongoing individual CBT at time of screening
- Signed informed consent regarding the study protocol
Who cannot take part
- Inability to participate in outpatient treatment with additional weekly group appointment at time of screening
- Borderline, antisocial, schizoid or schizotypic personality disorder at time of screening
- Acute suicidality at time of screening
- Active substance abuse at time of screening
- Any kind of additional group treatment (including self-help groups) besides individual CBT during the entire study period
This trial has no sites in United States.
It has sites in one country. Choose a country to see its sites.
About the trial
What the trial wants to find out
The purpose of this study is to compare an individual state-of-the-art cognitive behavioral therapy (CBT) with CBT augmented by a group intervention for improving interpersonal skills, the Kiesler Circle Training (CBT+KCT), in patients with a depressive or anxiety disorder.
The 2 groups in the trial
- Kiesler Circle Training (KCT) + Cognitive Behavioral Therapy (CBT)Treatment being tested
The Kiesler Circle Training (KCT) consists of 12 weekly group sessions of 100 minutes each (in a group of max. 10 patients). In addition, all patients receive weekly individual state-of-the-art CBT sessions (50 minutes each).
Treatment: Kiesler Circle Training (KCT) and Cognitive Behavioral Therapy (CBT)
- Cognitive Behavioral Therapy (CBT)Existing treatment, for comparison
The patients receive weekly individual state-of-the-art CBT sessions (50 minutes each).
Data and sources
- Registry record
- Listed on ClinicalTrials.gov.
- Official title
- Efficacy and Feasibility of a Transdiagnostic Augmentation Therapy for Improving Interpersonal Skills Using the Kiesler Circle Training (KCT)
- Record updated
- 2 September 2026