Urinary 3-methoxy-4-hydroxyphenylglycol and psychiatric diagnosis
Abstract
The authors examined the quantities of 3-methoxy-4-hydroxyphenylglycol (MHPG) in the urine of 11 schizophrenic female patients, 14 primary affective disorder (depressed type) female patients, and 10 healthy comparison women. The primary affective disorder patients had significantly less MHPG in their urine than did the comparison subjects. The schizophrenic patients when compared with the healthy subjects or the depressed patients did not excrete significantly different amounts of MHPG in urine. The variance in MHPG in schizophrenic patients was quite large; some had very low urinary MHPG. There was a significant positive correlation between agitation and urinary MHPG for schizophrenic but not depressed patients. The authors discuss theoretical and practical implications of these findings.
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