• Cellular adhesion molecules in drug-naïve and previously medicated patients with schizophrenia-spectrum disorders 

      Gjerde, Kristian Varden; Bartz-Johannessen, Christoffer; Steen, Vidar Martin; Andreassen, Ole A.; Steen, Nils Eiel; Ueland, Thor; Lekva, Tove; Rettenbacher, Maria; Joa, Inge; Reitan, Solveig Klæbo; Johnsen, Erik; Kroken, Rune Andreas (Peer reviewed; Journal article, 2024-04)
      Background Endothelial inflammation may be involved in the pathogenesis of schizophrenia, and cellular adhesion molecules (CAMs) on endothelial cells may facilitate leukocyte binding and transendothelial migration of cells ...
    • Differential Effectiveness of Atypical Antipsychotics on Hallucinations: A Pragmatic Randomized Controlled Trial 

      Sinkeviciute, Igne; Hugdahl, Kenneth Jan; Bartz-Johannessen, Christoffer; Kroken, Rune Andreas; Løberg, Else-Marie; Kjelby, Eirik; Rettenbacher, maria; Joa, Inge; Reitan, Solveig Merete Klæbo; Alisauskiene, Renata; Fathian, Farivar; Johnsen, Erik (Peer reviewed; Journal article, 2021)
      Background Most studies investigating antipsychotic effectiveness report either total psychopathology or symptom cluster findings. Studies focusing on a separate symptom, such as hallucinations, a hallmark symptom in ...
    • Imminent and Short-Term Risk of Death by Suicide in 7,000 Acutely Admitted Psychiatric Inpatients 

      Fredriksen, Kristin Jørstad; Bartz-Johannessen, Christoffer; Schøyen, Helle Kristine; Vaaler, Arne; Walby, Fredrik A; Hegelstad, Wenche (Peer reviewed; Journal article, 2022)
      Objective: To prospectively investigate the predictive value of diagnosis, suicidal behavior, and subjectively experienced depressed mood for imminent risk of suicide death. Methods: This prospective study included a ...