Objective of the study: to analyze the conjugacy of processes of systemic inflammation and systemic endotoxinemia in relation to the clinical characteristics of patients with endogenous psychoses (EGP) before and after psychopharmacotherapy. Material and Methods: the study includes 25 patients with schizophrenia (F20.0 (0-1) according to ICD-10) and schizoaffective psychosis (F25.0), examined at admission to the hospital (in an acute psychotic state) and before discharge (after performed pharmacotherapy). The control group consists of 25 healthy persons.