Journal
JOURNAL OF PSYCHIATRIC RESEARCH
Volume 35, Issue 2, Pages 83-94Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0022-3956(01)00013-9
Keywords
DEX/CRH test; cortisol response; depression; prediction; relapse
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The development and course of depression is causally linked to impairment of central regulation of the hypothalamic-pituitary-adrenocortical (HPA) system, Previous research documented that the combined dexamethasone/corticotropin-releasing hormone (DEX/CRH) test identifies HPA dysfunction with high sensitivity. We evaluated the predictive validity For medium-term outcome of the cortisol response in the combined DEX/CRH test in 74 remitted patients previously suffering from major depressive disorder. Of the 74 patients. 61 remained in stable remission and 13 relapsed during the first 6 months after discharge From the hospital. Although the cortisol and ACTH responses in the DEX/CRH test did not differ between the two groups of patients on admission. the responses differed significantly just before discharge: (P < 0.05). We defined two dichotomous variables as prediction rules indicating (1) the change between admission and discharge in the cortisol response to the DEX/CRH test. and (2) the effect of the CRH infusion on cortisol as compared to the baseline lec el in the DEX/CRH test prior to discharge only. An elevated cortisol response in the DEX/CRH test was correlated with 3 four- to six-fold higher risk for relapse than in individuals with a normal cortisol response. The two proposed rules Fur predicting relapse within the first 6 months after discharge could be optimized by including age and gender. Hence. an exaggerated cortisol response in the combined DEX/CRH test predicts the recurrence of depressive psychopathology. The test performance can be further optimized if gender and age are: taken into account. (C) 2001 Elsevier science Ltd. All rights reserved.
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