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A mechanism-based group-psychotherapy approach to aggressive behavior (MAAP) in borderline personality disorder (BPD): a multicenter randomized controlled clinical trial

A mechanism-based group-psychotherapy approach to aggressive behavior (MAAP) in borderline personality disorder (BPD): a multicenter randomized controlled clinical trial - MAAP

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00031608
Enrollment
186
Registered
2023-10-31
Start date
2024-05-22
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

F60.3

Interventions

Group 1: Half of the patients (N=93) receive mechanism-based anti-aggression psychotherapy (MAAP). All elements of MAAP are taken from sophisticated evidence-based psychotherapy programs, such as DBT
Linehan, 1996) and MBT (Mentalization-Based Treatment
Bateman & Fonagy, 2009). We added specific attention training techniques to these multilayered evidence-based elements. The elements were combined to specifically target the hypothesized mechanisms of

Sponsors

Klinik für Allgemeine Psychiatrie
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Outpatients with at least four diagnostic criteria of BPD fulfilled according to a structured interview, the International Personality Disorder Examination (IPDE based on DSM-5) - Exhibit overt aggression OAS-M(1-3) = 15 and irritability OAS-M(5-6) = 6 within two weeks prior to inclusion - live within 70km from a study centre - Sufficient German language skill to participate in a group setting

Exclusion criteria

Exclusion criteria: - Suicidality: due to the high prevalence of suicidality in patients with BPD, the possibility of initiating treatment is assessed using item 7 of the OAS-M, which captures suicidal tendencies; suicidality is assessed on an individual basis by a clinician if the score is =3 - Acute/previous schizophrenia - Acute bipolar I disorder - Acute moderate to severe substance use disorder - No ability/willingness to abstain from drug/alcohol use during therapy sessions (assessed by a clinician on an individual basis) - History of a serious medical condition that interferes with participation in regular sessions - Severe cognitive impairment as measured by mini-q (IQ<70) - Autism spectrum disorder (assessed by a clinician on an individual basis - taking into account the results of the AQ-10) - Other ongoing psychotherapy - Increase in current psychotropic medication or initiation of new psychotropic medication within two weeks prior to study assignment (6 weeks instead of 2 weeks for fluoxetine) - Ongoing criminal investigation, placement in a forensic hospital for at least 2 years, or incarceration

Design outcomes

Primary

MeasureTime frame
Outward, overt aggression as measured by the first three items of the Overt Aggression Scale Modified (OAS-M(1-3)) at 32 weeks of follow-up

Secondary

MeasureTime frame
- Externally directed overt aggression in OAS-M(1-3) immediately after intervention (PT) and at follow-up 12, 20, and 28 weeks. - Attacks against self OAS-M (4), Irritability OAS-M(5-6) and suicidality OAS-M(7a/7b) immediately after the intervention (PT) and at follow-up at 12, 20, 28, and 32 weeks after the start of the intervention. - OAS-M response rate (i.e., reduction in OAS-M[1-3] of at least 50% compared with baseline) immediately after the intervention and at all follow-up measurement time points (12, 20, 28, and 32 weeks after the start of the intervention). - Anger and aggressive behavior measured with Ecological Momentary Assessment (EMA) over a 2-week period at 6 random time points beginning 2 weeks before the start of the intervention period and 2 weeks before the 32-week follow-up. - Symptom severity of BPD as measured by the Zanarini Rating Scale for Borderline Personality Disorder (ZAN-BPD) immediately after intervention (PT) and at 12 and 32 weeks of follow-up. - Quality of life (WHOQoL-Bref) at the time of PT and 20- and 32-week FUs - Anger (STAXI-II) immediately after the intervention (PT) and after 28 and 32 weeks of follow-up. - Everyday functioning (SOFAS) immediately after the intervention (PT) and after 12 and 32 weeks of follow-up. - Other exploratory outcome measures: Dimensional assessment of personality disorders (PDS-ICD-11 [PT, 20- and 32-week follow-up] ; PSD-5-BF+M [PT, 28- and 32-week follow Up]), anger ruminations (ARS [PT, 12- and 32-week follow Up]), symptom severity (BSCL-53 [PT, 12- and 32-week follow Up]), impulsivity (BIS-15 [PT, 20- and 32-week follow Up]), loneliness (UCLA-3 [PT, 20- and 32-week follow Up]), therapeutic relationship (GQ-D), emotional mentalizing ability (MEQ-16 [PT, 12- and 32-week follow Up]), negative effects of psychotherapy (NEQ [PT]), social network quality (SNQ [PT, 12- and 32-week follow Up])

Countries

Germany

Contacts

Public ContactChristine Sigrist

Klinik für Allgemeine Psychiatrie

christine.sigrist@med.uni-heidelberg.de06221 56 36502

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 9, 2026