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[Immune-inflammatory markers in remission after a first-episode psychosis in young patients].

OBJECTIVE
To study clinical, psychopathological and immunological features of remission after first-episode psychosis in young patients to determine the patterns of this stage and the possibility of using the results for monitoring, prognosis and optimization of therapy.


MATERIAL AND METHODS
Fifty patients, aged 15-25 years, mean age 20.8±2.2 years, experiencing first-episode psychosis (F20, F25) and 45 healthy age-matched young men (mean age 19.2±3.2 years) were examined. The average age of psychosis manifestation was 19.8±2.5 months. Clinical, psychopathological, psychometric (PANSS and HDRS) and immunological («Neuro-immuno-test» technology) examinations were carried out at the psychotic state, during period of psychopathological symptoms reduction and further for 1-2 years until complete/significant reduction of psychotic symptoms.


RESULTS
Three stages of remission are revealed: I - the stage of reduction and modification of leading psychotic symptoms, II - the stage of stabilization of mental functions, III - the stage of reintegration of mental functions. It has been shown that each stage corresponds to different features of clinical symptoms and also certain spectra of immune markers (activity of leukocyte elastase, α1-proteinase inhibitor and level of autoantibodies to S100-B and OBM proteins) in blood serum of patients. The differences in the spectra of immune parameters at the second stage of remission in patients with affective (depressive) disorders define various patterns of post-psychotic development of disease. The most representative are immunological features of the third stage of remission.


CONCLUSION
The dynamics of immune markers in the course of remission can be considered as a biological criterion for assessment of the outcome of the first first-episode psychosis and the completeness of remission.