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S-adenosylmethionine blood levels in major depression: changes with drug treatment
K M Bell1, S G Potkin, D Carreon
1University of California, Irvine Medical Center, Orange 92668.
Introduction:
The relationship between plasma levels of S-adenosylmethionine (SAMe), an endogenous methyl donor, and clinical response were studied in patients with a DSM-III-R diagnosis of major depression.
Material And Methods:
A double-blind randomized protocol comparing oral SAMe with oral desipramine, involving a total of 26 patients, was employed.
Results:
At the end of the 4-week trial, 62% of the patients treated with SAMe and 50% of the patients treated with desipramine had significantly improved. Regardless of the type of treatment, patients with a 50% decrease in their Hamilton Depression Scale (HAM-D) score showed a significant increase in plasma SAMe concentration.
Conclusion:
The significant correlation between plasma SAMe levels and the degree of clinical improvement in depressed patients regardless of the type of treatment suggests that SAMe may play an important role in regulating mood.