Higher serum concentrations of tyrosine and glutamate in schizophrenia patients treated with clozapine, compared to in those treated with conventional antipsychotics.
RATIONALE: The effect of long-term treatment with the atypical antipsychotic clozapine on the serum amino acid profile in schizophrenia patients has not previously been studied.
OBJECTIVES: The aim of this study was to compare serum amino acid patterns in patients on long-term clozapine treatment with long-term c.....