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BACKGROUND: A one-to-one cognitive behavioural therapy intervention targeting worry significantly reduces both worry and persecutory delusions (Freeman et al., 2015). AIM: To adapt this intervention for group delivery and conduct a feasibility trial within routine clinical practice. METHOD: Thirteen participants were randomized to a weekly 8-session worry intervention group (n = 7) or wait-list control (n = 6). RESULTS: All but one participant completed measures at all time points. Participants attended an average of six therapy sessions. CONCLUSIONS: Recruitment, retention and therapy uptake were feasible. Observed treatment effects were in the expected direction, but may be diluted compared with one-to-one interventions.

Original publication




Journal article


Behav Cogn Psychother

Publication Date





619 - 625


cognitive behavioural group therapy, persecutory delusions, worry intervention, Adolescent, Adult, Aged, Anxiety, Cognitive Behavioral Therapy, Delusions, Feasibility Studies, Humans, Middle Aged, Psychotherapy, Group, Treatment Outcome, Waiting Lists, Young Adult