ArticlePsychiatry investigation2017
Design and Methodology of the Korean Early Psychosis Cohort Study.
Article in Psychiatry investigation, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 25 citations in OpenAlex.
- Association between the Korea-Polyenvironmental Risk Score and Clinical Outcomes in Schizophrenia Spectrum Disorders.Schizophrenia bulletin · 2026Article
- Predictors of relapse after discontinuing antipsychotics in patients with schizophrenia spectrum disorders.Schizophrenia (Heidelberg, Germany) · 2025Article
- Network biomarkers in recovered psychosis patients who discontinued antipsychotics.Molecular psychiatry · 2023Article
- Three-year outcomes and predictors for full recovery in patients with early-stage psychosis.Schizophrenia (Heidelberg, Germany) · 2022Article
- Development of the Korea-Polyenvironmental Risk Score for Psychosis.Psychiatry investigation · 2022Article
- Network analysis of trauma in patients with early-stage psychosis.Scientific reports · 2021Article
- Mindlink: A stigma-free youth-friendly community-based early-intervention centre in Korea.Early intervention in psychiatry · 2021Article
- Defining Treatment Response, Remission, Relapse, and Recovery in First-Episode Psychosis: A Survey among Korean Experts.Psychiatry investigation · 2020Article
- Distinct Differences in Emotional Recognition According to Severity of Psychotic Symptoms in Early-Stage Schizophrenia.Frontiers in psychiatry · 2019Article
- Validation of the Korean version of the 16-Item Prodromal Questionnaire in a Non-Help-Seeking College Population.Psychiatry investigation · 2018Article
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Authors and funding
10 authors at 9 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The present study details the rationale and methodology of the Korean Early Psychosis Cohort Study (KEPS), which is a clinical cohort investigation of first episode psychosis patients from a Korean population. The KEPS is a prospective naturalistic observational cohort study that follows the participants for at least 2 years. This study includes patients between 18 and 45 years of age who fulfill the criteria for one of schizophrenia spectrum and other psychotic disorders according to the diagnostic criteria of DSM-5. Early psychosis is defined as first episode patients who received antipsychotic treatment for fewer than 4 consecutive weeks after the onset of illness or stabilized patients in the early stages of the disorder whose duration of illness was less than 2 years from the initiation of antipsychotic treatment. The primary outcome measures are treatment response, remission, recovery, and relapse. Additionally, several laboratory tests are conducted and a variety of objective and subjective psychiatric measures assessing early life trauma, lifestyle pattern, and social and cognitive functioning are administered. This long-term prospective cohort study may contribute to the development of early intervention strategies and the improvement of long-term outcomes in patients with schizophrenia.
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