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  • Title: Difference in pre- and post-treatment plasma DHEA levels were significantly and positively correlated with difference in pre- and post-treatment Hamilton depression scores following successful therapy for major depression.
    Author: Hsiao CC.
    Journal: Psychoneuroendocrinology; 2006 Aug; 31(7):839-46. PubMed ID: 16716529.
    Abstract:
    OBJECTIVE: Clinical studies of endogenous concentrations of dehydroepiandrosterone (DHEA) and its relation to depression are limited. This study examined whether pre- and post-treatment changes in plasma DHEA levels are correlated with pre- and post-treatment differences in Hamilton depression scores following successful antidepressant therapy for major depression with venlafaxine XR. METHOD: Thirty-four medication-free major depressive outpatients (Hamilton Rating Scale for Depression 17, HAM-D 17 score > or = 17) were treated with antidepressants. At baseline, plasma DHEA levels of all subjects were measured but only those who remitted (HAM-D 17 score < or = 7) before the end of this study had their plasma DHEA levels measured at remission-onset. Blood from subjects was drawn at 0900-1100 h. Depression severity was assessed with the HAM-D 17 scale at baseline, and on day 7, 14, 28, 56 and 84. Subjects were administered at minimum 75 mg/day venlafaxine XR until remission onset. RESULTS: Fifteen patients remitted before the end of this study. Plasma DHEA levels decreased from baseline to remission was significant (P=0.017). After controlling for age and gender, pre- and post-treatment difference in Hamilton depression scores and the pre- and post-treatment difference in DHEA concentrations were significantly correlated (P=0.044). CONCLUSION: This preliminary study provides the first clinical evidence identifying that difference in pre- and post-treatment plasma DHEA levels were significantly and positively correlated with difference in pre- and post-treatment Hamilton depression scores following successful therapy with venlafaxine XR for major depression in remitters; but non-remitters were not examined. It is not known if DHEA levels would show similar or dissimilar changes in non-remitters.
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