Cordance derived from REM sleep EEG as a biomarker for treatment response in depression - a naturalistic study after antidepressant medication

被引:10
|
作者
Adamczyk, Marek [1 ]
Gazea, Mary [1 ]
Wollweber, Bastian [1 ]
Holsboer, Florian [1 ]
Dresler, Martin [1 ]
Steiger, Axel [1 ]
Pawlowski, Marcel [1 ]
机构
[1] Max Planck Inst Psychiat, D-80804 Munich, Germany
关键词
Depression; Biomarker; Cordance; REM sleep; Antidepressants; EEG; ANTERIOR CINGULATE CORTEX; PREDICTS RESPONSE; MAJOR DEPRESSION; DISORDERS; DRUG; VULNERABILITY; NEUROSCIENCE; METABOLISM; BUPROPION; PERFUSION;
D O I
10.1016/j.jpsychires.2015.02.007
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
Objective: To evaluate whether prefrontal cordance in theta frequency band derived from REM sleep EEG after the first week of antidepressant medication could characterize the treatment response after 4 weeks of therapy in depressed patients. Method: 20 in-patients (15 females, 5 males) with a depressive episode and 20 healthy matched controls were recruited into 4-week, open label, case control study. Patients were treated with various antidepressants. No significant differences in age (responders (mean +/- SD): 45 +/- 22) years; non-responders: 49 +/- 12 years), medication or Hamilton Depression Rating Scale (HAM-D) score (responders: 23.8 +/- 4.5; non-responders 24.5 +/- 7.6) at inclusion into the study were found between responders and non-responders. Response to treatment was defined as a >= 50% reduction of HAM-D score at the end of four weeks of active medication. Sleep EEG of patients was recorded after the first and the fourth week of medication. Cordance was computed for prefrontal EEG channels in theta frequency band during tonic REM sleep. Results: The group of 8 responders had significantly higher prefrontal theta cordance in relation to the group of 12 non-responders after the first week of antidepressant medication. This finding was significant also when controlling for age, gender and number of previous depressive episodes (F-1,F-15 = 6.025, P =.027). Furthermore, prefrontal cordance of all patients showed significant positive correlation (r = 0.52; P = .019) with the improvement of HAM-D score between the inclusion week and fourth week of medication. Conclusions: The results suggest that prefrontal cordance derived from REM sleep EEG could provide a biomarker for the response to antidepressant treatment in depressed patients. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:97 / 104
页数:8
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