Clarke 2013.

Methods	Design: randomised control trial
Participants	Participants: individuals with personality disorder referred to a specialist outpatient service Sex:a 28 men, 71 women Age:a mean age = 36.0 years (SD = 9.5, range = 19‐59) Unit of allocation: individual, stratified by cluster Number randomised: experimental group (n = 50); control/TAU group (n = 49) Number completing: experimental group (n = 38), control/TAU group (n = 40) Setting: specialist outpatient clinic of public health service (NHS, UK) Inclusion criteria: participants met diagnostic criteria for a personality disorder; participants had completed at least one previous episode of therapy (see note 2) Exclusion criteria: diagnosis of psychotic illness, substance dependence or intellectual disability based on DSM‐IV criteria; participant reports self‐harming behaviour on at least a monthly basis Ethnicity: not stated Baseline characteristics:a 88% of the sample had a diagnosis of two or more personality disorders; 53% displayed diagnoses across two clusters; 28% across all three clusters; 68% of participants had a diagnosis of borderline personality disorder
Interventions	Two conditions: cognitive analytic therapy (CAT); or treatment‐as‐usual (TAU) Experimental group: CAT + TAU Control group: TAU Details of conditions: CAT described as following the principles outlined by Ryle 2002 and guidelines developed by the Association of Cognitive Analytic Therapy (ACAT); participants in the CAT condition were offered 24 sessions of CAT and 3 follow‐up sessions at 3, 6 and 12 months after termination of weekly therapy plus usual care. TAU described as usual NHS standard care including "...care from community mental health team, clinical services and contact with a general practitioner." (quote; p 130) Duration of intervention: 24 sessions Duration of trial: 10 months Length of follow‐up: 12 months
Outcomes	Secondary outcomes Satisfaction with treatment: Service Satisfaction Scale Mental state: symptoms of personality disorder (Structured Clinical Interview for DSM‐IV Axis II); global distress (Clinical Outcomes in Routine Evaluation); Dissociation (Dissociative Questionnaire; Dissociative Experiences Scale); Symptom Checklist‐90‐Revised Prison and service outcomes, treatment of people in the community Frequency and duration of all accident and emergency attendances Frequency and duration inpatient admissions including those for general health difficulties Other outcomes Interpersonal problems: Inventory of Interpersonal Problems (32 items)
Notes	aFor all of those randomised (n = 99) at least 18 participants had a cluster B personality disorder. Author (Susan Clarke) contacted by email on 19 January 2017 with request to identify the number of participants with AsPD; no data for AsPD subset. No response received (Clarke 2013)