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Abstract
Objective: The aim of the study was the investigation of plasma magnesium, calcium, copper and zinc and erythrocyte magnesium levels in patients with paranoid schizophrenia and the influence of the therapy with two antipsychotic drugs (haloperidol and risperidone) on these concentrations.
Methods: We investigated the influence of treatment with haloperidol and risperidoneon plasma and erythrocyte magnesium and on plasmatic levels of zinc, calcium and copper on hospitalized 56 patients diagnosed with paranoid schizophrenia (DSM IV).
Results: Our data indicate a decrease of erythrocyte magnesium levels in schizophrenic patients (4.82 ± 3.1 mg/L vs. 59.2 ± 1.1 mg/L in control group, p < 0.01). The plasma level of magnesium was unchanged (18.9 ± 2.17 mg/L in schizophrenic patients vs. 18.26 ± 1.9 mg/L in control group).
Conclusions: We consider plasma Cu2+/erythrocyte Mg2+ and plasma Cu2+/Zn2+ ratio two important biological markers of the acute paranoid schizophrenia.