Beate Schrank|Tamsin Brownell|Zivile Jakaite|Charley Larkin|Francesca Pesola|Simon Riches|André Tylee|Mike Slade
Evaluation of a positive psychotherapy group intervention for people with psychosis: pilot randomised controlled trial
King's College London|Medical University of Vienna|King's College London|King's College London|King's College London|King's College London|King's College London|King's College London|King's College London
aims thirdwave psychological interventions gained relevance mental health service provision application people psychosis infancy interventions targeting wellbeing psychosis scarce study tested feasibility preliminary effectiveness positive psychotherapy adapted people psychosis wellfocus ppt improve wellbeing methods wellfocus ppt tested 11week group intervention convenience sample people psychosis single centre randomised controlled trial isrctn04199273 involving 94 people psychosis patients individually randomised blocks receive either wellfocus ppt addition treatment usual tau tau assessments took place randomisation therapy primary outcome wellbeing warwickedinburgh mental wellbeing scale wemwbs secondary outcomes included symptoms brief psychiatric rating scale depression short depressionhappiness scale selfesteem empowerment hope sense coherence savouring beliefs functioning well two alternative measures wellbeing positive psychotherapy inventory quality life intentiontotreat analysis performed involved calculating crude changes pairedsample tests variables well ancova complier average causal effect cace analysis estimate main effect group outcomes results intervention trial procedures proved feasible well accepted crude changes baseline followup showed significant improvement intervention group wellbeing according three concepts assessed ie wemwbs positive psychotherapy inventory quality life well symptoms depression hope selfesteem sense coherence significant changes observed control group ancova showed main effect wellbeing according primary outcome scale wemwbs significant effects symptoms p 0006 es 042 depression p 003 es 038 wellbeing according positive psychotherapy inventory p 002 es 030 secondary analysis adapting therapy group improved results symptom reduction p 0004 es 043 depression p 003 es 041 lead outcomes falling p 005 significance level cace analysis showed nonsignificant positive association intervention wemwbs scores followup b 021 z 09 p 04 conclusions study provides initial evidence feasibility wellfocus ppt people psychosis positively affecting symptoms depression however work needed optimise effectiveness future research might evaluate positive psychotherapy treatment comorbid depression psychosis consider alternative measurements wellbeing