2021
Longitudinal clinical and functional outcome in distinct cognitive subgroups of first-episode psychosis: a cluster analysis
Oomen P, Begemann M, Brand B, de Haan L, Veling W, Koops S, van Os J, Smit F, Bakker P, van Beveren N, Boonstra N, Gülöksüz S, Kikkert M, Lokkerbol J, Marcelis M, Rosema B, de Beer F, Gangadin S, Geraets C, van ‘t Hag E, Haveman Y, van der Heijden I, Voppel A, Willemse E, van Amelsvoort T, Bak M, Batalla A, Been A, van den Bosch M, van den Brink T, Faber G, Grootens K, de Jonge M, Knegtering R, Kurkamp J, Mahabir A, Pijnenborg G, Staring T, Veen N, Veerman S, Wiersma S, Graveland E, Hoornaar J, Sommer I. Longitudinal clinical and functional outcome in distinct cognitive subgroups of first-episode psychosis: a cluster analysis. Psychological Medicine 2021, 53: 2317-2327. PMID: 34664546, PMCID: PMC10123843, DOI: 10.1017/s0033291721004153.Peer-Reviewed Original ResearchConceptsDistinct cognitive subgroupsCognitive subgroupsFirst-episode psychosisDiscrete cognitive profilesGeneral functioningTrend-level effectsCognitive profileSelf-reported functional outcomesCognitive clustersCognitive deficitsCognitionBrief assessmentFunctional outcomeLarge sampleFEP patientsClinical outcomesCurrent resultsSevere clinical symptomsPsychosisEarly identificationHealthy controlsCluster analysisClinical symptomsFunctioningDeficits
2019
Organization framework and preliminary findings from the Athens First‐Episode Psychosis Research Study
Xenaki L, Kollias C, Stefanatou P, Ralli I, Soldatos R, Dimitrakopoulos S, Hatzimanolis A, Triantafyllou T, Kosteletos I, Vlachos I, Selakovic M, Foteli S, Mantonakis L, Ermiliou V, Voulgaraki M, Psarra E, Gülöksüz S, van Os J, Stefanis N. Organization framework and preliminary findings from the Athens First‐Episode Psychosis Research Study. Early Intervention In Psychiatry 2019, 14: 343-355. PMID: 31402581, DOI: 10.1111/eip.12865.Peer-Reviewed Original ResearchConceptsRisk factorsMild functional improvementLongitudinal cohort studySymptom severity criteriaPoor cognitive performanceOutcome of psychosisPreliminary findingsPatients 16Cohort studyAntipsychotic treatmentClinical pictureFEP patientsClinical managementFunctional improvementFamily historyEmergency unitBaseline presentationSeverity criteriaPsychiatric hospitalPsychotic disordersClinical InterviewDrug usePotential associationGene-environment interaction studiesBiochemical parameters