• Association between C-reactive protein levels and antipsychotic treatment during 12 months follow-up period after acute psychosis 

      Fathian, Farivar; Gjestad, Rolf; Kroken, Rune Andreas; Løberg, Else-Marie; Reitan, Solveig Merete Klæbo; Fleichhacker, W. Wolfgang; Rettenbacher, Maria; Larsen, Tor Ketil; Joa, Inge; Stabell, Lena Antonsen; Kjelby, Eirik; Sinkevicute, Igne; Alisauskiene, Renata; Steen, Vidar Martin; Johnsen, Erik (Journal article; Peer reviewed, 2022)
      Background A potential role of inflammatory pathways in the pathology of schizophrenia has been suggested for at least a subgroup of patients. Elevated levels of the inflammatory marker C-reactive protein (CRP) have been ...
    • 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 (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, ...
    • 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 (Journal article; Peer reviewed, 2021-07)
      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 ...
    • Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness 

      Andreou, Dimitrios; Steen, Nils Eiel; Jørgensen, Kjetil Nordbø; Smelror, Runar Elle; Wedervang-Resell, Kirsten; Nerland, Stener; Westlye, Lars Tjelta; Nærland, Terje; Myhre, Anne Margrethe; Joa, Inge; Reitan, Solveig Merete Klæbo; Vaaler, Arne; Morken, Gunnar; Bøen, Erlend; Elvsåshagen, Torbjørn; Boye, Birgitte; Malt, Ulrik Fredrik; Aukrust, Pål; Skrede, Silje; Kroken, Rune Andreas; Johnsen, Erik; Djurovic, Srdjan; Andreassen, Ole; Ueland, Thor; Agartz, Ingrid (Journal article; Peer reviewed, 2021)
      Background: Both neurodegenerative and neurodevelopmental abnormalities have been suggested to be part of the etiopathology of severe mental illness (SMI). Neuron-specific enolase (NSE), mainly located in the neuronal ...