Psychiatry research · 2026
Levels of and changes in psychosis symptoms and clinical insight: Exploring the impact of differential antipsychotic mechanisms.
СтатьяРандомизированное исследованиеPragmatic Clinical TrialНазвание и аннотация: Перевод в очереди
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Stabell Lena Antonsen, Johnsen Erik, Kroken Rune, Løberg Else-Marie, Kjelby Eirik, Joa Inge, Reitan Solveig Klæbo, Rettenbacher Maria, Hugdahl Kenneth, Gjestad Rolf
Аннотация
BACKGROUND: Impaired clinical insight is common in schizophrenia spectrum disorders (SSDs) and predicts poor treatment adherence and outcomes. It is linked to disorganised, positive, negative, and hostility symptoms. However, few studies repeatedly assess insight after antipsychotic initiation while comparing pharmacologically distinct agents. This study examined how symptom levels and changes predict the development and endpoint of clinical insight over 6 weeks, contrasting the partial dopamine agonist aripiprazole (PDA) with two dopamine antagonists (DAs).
METHODS: Data from 144 SSD patients in the Bergen-Stavanger-Innsbruck-Trondheim (BeSt InTro) trial, a pragmatic, semi-randomised study of amisulpride, aripiprazole, and olanzapine, were analysed using latent growth curve models. Insight was measured by PANSS Item G12; symptom factors (positive, negative, hostility, cognitive/disorganised) were derived from PANSS.
RESULTS: Lower baseline symptoms and greater improvement between weeks 3 and 6 predicted better insight at 6 weeks across all factors. For positive symptoms, improvement between weeks 1 and 3 (b = 0.57, p = 0.009) also predicted better insight. Patients on aripiprazole showed less improvement in insight, though some findings lost significance after correction.
CONCLUSION: Symptom reduction is associated with improved insight, with early changes in positive symptoms exerting the fastest effect. Despite symptom improvement, aripiprazole PDA treatment was linked to less insight gain than DA treatment. These preliminary findings warrant further study.
METHODS: Data from 144 SSD patients in the Bergen-Stavanger-Innsbruck-Trondheim (BeSt InTro) trial, a pragmatic, semi-randomised study of amisulpride, aripiprazole, and olanzapine, were analysed using latent growth curve models. Insight was measured by PANSS Item G12; symptom factors (positive, negative, hostility, cognitive/disorganised) were derived from PANSS.
RESULTS: Lower baseline symptoms and greater improvement between weeks 3 and 6 predicted better insight at 6 weeks across all factors. For positive symptoms, improvement between weeks 1 and 3 (b = 0.57, p = 0.009) also predicted better insight. Patients on aripiprazole showed less improvement in insight, though some findings lost significance after correction.
CONCLUSION: Symptom reduction is associated with improved insight, with early changes in positive symptoms exerting the fastest effect. Despite symptom improvement, aripiprazole PDA treatment was linked to less insight gain than DA treatment. These preliminary findings warrant further study.