What is the effect of a stabilising group treatment in complex PTSD patients? A Multicenter Randomised Clinical Trial for women with Child Abuse related Post Traumatic Stress Disorder with Associated Features.

INTERVENTION: 20‐week group stabilising treatment for complex PTSD plus TAU versus TAU alone. CONDITION: Post Traumatic Stress Disorder (PTSD) ; Mental and Behavioural Disorders ; Post‐traumatic stress disorder PRIMARY OUTCOME: 1. CAPS and Davidson Trauma Scale (severity of PTSD symptoms); 2. SCID‐DESNOS (overall severity of complex PTSD symptoms); 3. Borderline Personality Disorder Severity Index (BPDSI) (severity of affect‐dysregulation and self‐destructiveness); 4. Dissociative Experiences Scale (DES) SECONDARY OUTCOME: 1. Self Esteem (SE measure); 2. SDQ (somatic dissociation); 3. WHO Quality of Life (QoL); 4. SCL‐90 (comorbid psychopathology); 5. BDI (depression); 6. STAI (anxiety) INCLUSION CRITERIA: Females diagnosed with Complex PTSD according to SCID‐DESNOS with or without comorbid axis I or axis II disorders (see also exclusion criteria).