About this trial
The aim of this study is to test the relative efficacy of Process-based Therapy compared to traditional CBT delivered in routine practice (r-CBT) for difficult-to-treat anxiety disorders and depression.
Eligibility criteria
Qualifiers
A primary DSM-5 diagnosis of depressive or anxiety disorder
At least two unsuccessful attempts of pharmacological or psychological treatment according to the German guidelines for the treatment of depression or anxiety disorders (Arbeitsgemeinschaft der Wissenschaftlichen Medizinischen Fachgesellschaften, AWMF)
Age 18-65 years
Sufficient knowledge of the German language
Disqualifiers
Increased suicidality
Substance abuse or dependency
Borderline personality disorder
Pervasive developmental disorder
Trial design
Treatments tested in this trial
- Process-based Cognitive Behavioral Therapy (PBT)
- Cognitive Behavioral Therapy (CBT)
Treatment groups
Sponsors and collaborators
Goethe University
Lead sponsor
Philipps University Marburg
Collaborator