Browsing Institutt for psykisk helse by Author "Bartz-Johannessen, Christoffer"

Now showing items 1-5 of 5

    • The association between cytokines and psychomotor speed in a spectrum of psychotic disorders: A longitudinal study 

      Larsen, Jeanette Brun; Reitan, Solveig Merete Klæbo; Løberg, Else-Marie; Rettenbacher, Maria; Bruserud, Øystein; Larsen, Tor Ketil; Anda, Liss Gøril; Bartz-Johannessen, Christoffer; Johnsen, Erik; Kroken, Rune Andreas (Peer reviewed; Journal article, 2021)
      Background In schizophrenia, impaired psychomotor speed is a common symptom predicting worse functional outcome. Inflammation causes changes in white matter integrity, which may lead to reduced psychomotor speed. Therefore, ...

    • 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 (Journal article; Peer reviewed, 2024)
      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 ...

    • Trajectories of response in schizophrenia-spectrum disorders: A one-year prospective cohort study of antipsychotic effectiveness 

      Drosos, Petros; Johnsen, Erik; Bartz-Johannessen, Christoffer; Larsen, Tor Ketil; Reitan, Solveig Klæbo; Rettenbacher, Maria; Kroken, Rune Andreas (Journal article; Peer reviewed, 2022)
      BACKGROUND: Antipsychotic drugs remain the mainstay of schizophrenia treatment; however, their effectiveness has been questioned, and it is not possible to predict the response to a specific antipsychotic drug in an ...