[Study of noradrenaline metabolism in depressed patients by the determination of plasma dihydroxyphenylethylene glycol].

TL;DRAbstract

The plasmatic levels of free, sulfoconjugated and total dihydroxyphenylethyleneglycol (DOPEG), the main deaminated metabolite of noradrenaline, have been measured in thirty DSM3 major depressive inpatients and in thirty healthy controls matched for sex and age. DOPEG levels have been measured by a radioenzymatic assay. Almost fifty per cent of depressed inpatients were D.S.T. non suppressors, thirteen patients were unipolar and thirteen bipolar. Plasmatic DOPEG levels were significantly lower in depressed patients as compared to healthy controls despite a wide interindividual range of DOPEG values. However, the ratio of free over conjugated DOPEG was not statistically different in the two groups. DOPEG levels were slightly higher in the female population of healthy volunteers but not in the depressed patients. In the healthy volunteers, but not in depressed patients, there was a trend for free DOPEG to increase and for conjugated DOPEG to decrease with age. There was no statistical cor

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