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Assessing clinical and functional outcomes in a gene-environment interaction study in first episode of psychosis
Miquel Bernardo1, Miquel Bioque, Mara Parellada
1Centro de Investigación Biomédica en Red de Salud Mental CIBERSAM, Spain. bernardo@clinic.ub.es
Insights
The PEPs study comprehensively evaluated clinical, genetic, and environmental factors in first episode psychosis (FEP). Findings aim to predict treatment response and brain changes in patients with psychosis.
Area of Science:
- Psychiatry and Neuroscience
- Clinical Psychology
- Pharmacogenetics
Background:
- First episode psychosis (FEP) requires thorough characterization to understand underlying mechanisms.
- Identifying predictors of clinical and neurobiological outcomes is crucial for effective FEP management.
- The interplay between genetic and environmental factors in FEP is not fully elucidated.
Purpose of the Study:
- To conduct a comprehensive clinical and neurocognitive assessment of patients experiencing their first episode of psychosis.
- To investigate interactions between genetic and environmental variables in predicting clinical and brain structural outcomes.
- To explore the relationship between genetic polymorphisms and treatment response, including adverse effects.
Main Methods:
- A multicenter, naturalistic, prospective, longitudinal study design.
- Inclusion of nearly 350 FEP patients and 250 healthy controls.
- Assessment of clinical, neuropsychological, neuroimaging, biochemical, environmental, and pharmacogenetic variables.
Main Results:
- Detailed clinical and neurocognitive profiles of FEP patients were established.
- Data collection facilitated the examination of gene-environment interactions.
- Pharmacogenetic data were gathered to analyze treatment response and side effects.
Conclusions:
- The PEPs study provides a rich dataset for understanding FEP.
- Findings contribute to identifying predictive markers for clinical and brain outcomes in psychosis.
- The study enhances knowledge of pharmacogenetics in FEP treatment.
Abstract:
The PEPs study is a multicenter, naturalistic, prospective, longitudinal study designed to evaluate clinical, neuropsychological, neuroimaging, biochemical, environmental and pharmacogenetic variables in a sample of nearly 350 first episode of psychosis patients and 250 healthy controls. The PEPs project was conducted in Spain from January 2009 to December 2011. This article describes the rationale for the measurement approach adopted, providing an overview of the selected clinical and functional measures. The main objectives are: a) the thorough clinical and neurocognitive characterization of a sample of first episodes of psychosis, and b) the study of the interactions between the genetic and environmental variables selected to predict clinical and brain structural outcomes, and to determine the relationship of genetic polymorphisms involved in the pharmacokinetics and pharmacodynamics, and the responses and adverse effects of treatment.
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