Antipsychotic Injectable Medications Deplete Neurotrophic Factor In Schizophrenia Patients Overview Schizophrenia (SCZ) and schizoaffective disorder (SAD) are severe psychiatric conditions influenced by both genetic and environmental factors. Serum brain-derived neurotrophic factor (BDNF) has been identified as a potential biomarker for these disorders, though its temporal changes remain unclear. This study analyzes data