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Schema therapy for violent PD offenders: a randomized clinical trial

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Schema therapy for violent PD offenders: a randomized clinical trial

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Background. Violent criminal offenders with personality disorders (PD’s) can cause immense harm, but are often deemed untreatable. This study aimed to conduct a randomized clinical trial to test the effectiveness of long-term psychotherapy for rehabilitating offenders with PDs.
Methods. We compared schema therapy (ST), an evidence-based psychotherapy for PDs, to treatment-as-usual (TAU) at eight high-security forensic hospitals in the Netherlands. Patients in both conditions received multiple treatment modalities and differed only in the individual, study-specific therapy they received. One-hundred-three male offenders with antisocial, narcissistic, borderline, or paranoid PDs, or Cluster B PD-not-otherwise specified, were assigned to 3 years of ST or TAU and assessed every 6 months. Primary outcomes were rehabilitation, involving gradual reintegration into the community, and PD symptoms.
Results. Patients in both conditions showed moderate to large improvements in outcomes. ST was superior to TAU on both primary outcomes – rehabilitation (i.e. attaining supervised and unsupervised leave) and PD symptoms – and six of nine secondary outcomes, with small to moderate advantages over TAU. ST patients moved more rapidly through rehabilitation (supervised leave, treatment*time: F(5308) = 9.40, p < 0.001; unsupervised leave, treatment*- time: F(5472) = 3.45, p = 0.004), and showed faster improvements on PD scales (treatment*- time: t(1387) = −2.85, p = 0.005).
Conclusions. These findings contradict pessimistic views on the treatability of violent offenders with PDs, and support the effectiveness of long-term psychotherapy for rehabilitating these patients, facilitating their re-entry into the community

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OrganisatieHogeschool Utrecht
AfdelingKenniscentrum Sociale Innovatie
LectoraatWerken in Justitieel Kader
Gepubliceerd inPsychological Medicine Cambridge Core, Vol. 2021, Pagina's: 1-15
Datum2021-03-15
TypeArtikel
DOI10.1017/S0033291721001161
TaalEngels

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