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Aim In the present study, the prevalence and predictors of symptomatic and full remission were investigated in patients with first-episode psychosis (FEP) at the 12-month follow-up. Methods A total of 308 participants aged 18-45 years fulfilled the study inclusion criteria and 214 completed the 12-month follow-up. Results At the 12-month follow-up, 67.3% (142) and 25.9% (55) of the FEP patients met the criteria for symptomatic and full remission, respectively. Stepwise logistic regression analysis showed a shorter duration of untreated psychosis (DUP), no family history, lower Positive and Negative Syndrome Scale (PANSS) negative symptom scores at baseline and higher familial support predicted symptomatic remission at the 12-month follow-up. A higher educational level, shorter DUP, lower PANSS general symptoms scores at baseline and higher subjective well-being under neuroleptics emotional regulation scores predicted full remission. Conclusions Our findings regarding the rates of symptomatic and full remission are consistent with previous studies. The results indicate a large discrepancy between symptomatic versus full remission rates at a 12-month follow-up in patients with FEP. Effective psychosocial interventions are necessary to improve the outcomes of FEP patients.

Aim: To explore the differences in pharmacotherapy and clinical characteristics of individuals at ultra-high-risk (UHR) for psychosis according to the conversion status, we analyzed the data for UHR patients seen at the Seoul Youth Clinic. Methods: This was a naturalistic observational study. We obtained clinical data, including demographic data, presenting complaint, duration of psychiatric symptoms, diagnosis and scores on clinical rating scales from individual records in the Seoul Youth Clinic. Prescription data were obtained from electronic medical records. Results: As of April 1, 2010, a total of 78 people were registered as being UHR for psychosis in the Seoul Youth Clinic. Patients commonly presented with paranoid ideas and anxiety. On entry to the Seoul Youth Clinic, 81% of the UHR group were diagnosed as having psychiatric disorders according to DSM-IV criteria. Of the 67 individuals who did not drop out of the Seoul Youth Clinic, 14 converted to psychosis. The mean time to conversion was 412 days post baseline examination. The mean duration of psychiatric symptoms before clinic presentation was shorter in the converter group than in the non-converter group. There were no differences in baseline scores on clinical rating scales between the two groups. Antipsychotics were commonly prescribed for UHR patients in the Seoul Youth Clinic, with the converter group exposed to antipsychotics for a longer period and at higher doses than the non-converter group. Conclusions: In a naturalistic setting, the different pattern of exposure to antipsychotics between the converter and non-converter groups calls attention to the effects of antipsychotics on conversion to psychosis.

To explore the differences in pharmacotherapy and clinical characteristics of individuals at ultra-high-risk (UHR) for psychosis according to the conversion status, we analyzed the data for UHR patients seen at the Seoul Youth Clinic.This was a naturalistic observational study. We obtained clinical data, including demographic data, presenting complaint, duration of psychiatric symptoms, diagnosis and scores on clinical rating scales from individual records in the Seoul Youth Clinic. Prescription data were obtained from electronic medical records.As of April 1, 2010, a total of 78 people were registered as being UHR for psychosis in the Seoul Youth Clinic. Patients commonly presented with paranoid ideas and anxiety. On entry to the Seoul Youth Clinic, 81% of the UHR group were diagnosed as having psychiatric disorders according to DSM-IV criteria. Of the 67 individuals who did not drop out of the Seoul Youth Clinic, 14 converted to psychosis. The mean time to conversion was 412 days post baseline examination. The mean duration of psychiatric symptoms before clinic presentation was shorter in the converter group than in the non-converter group. There were no differences in baseline scores on clinical rating scales between the two groups. Antipsychotics were commonly prescribed for UHR patients in the Seoul Youth Clinic, with the converter group exposed to antipsychotics for a longer period and at higher doses than the non-converter group.In a naturalistic setting, the different pattern of exposure to antipsychotics between the converter and non-converter groups calls attention to the effects of antipsychotics on conversion to psychosis.