Song-Eun Baek1, Gyoung-Ja Lee2, Chang-Kyu Rhee2, Dae-Young Rho1, Do-Hoon Kim1, Sun Huh3, Sang-Kyu Lee1. 1. Department of Psychiatry, Hallym University Chuncheon Sacred Hospital, College of Medicine, Hallym University, Chuncheon, Republic of Korea. 2. Nuclear Materials Development Division, Korea Atomic Energy Research Institute, Daejeon, Republic of Korea. 3. Department of Parasitology, College of Medicine, Hallym University, Chuncheon, Republic of Korea.
Abstract
OBJECTIVE: This study aimed to evaluate the total antioxidant activity (TAA) in patients with major depressive disorder (MDD) and the effect of antidepressants on TAA using a novel potentiometric method. METHODS: Twenty-eight patients with MDD and thirty-one healthy controls were enrolled in this study. The control group comprised 31 healthy individuals matched for gender, drinking and smoking status. We assessed symptoms of depression using the Hamilton Depression Rating Scale (HAMD) and the Beck Depression Inventory (BDI). We measured TAA using potentiometry. All measurements were made at baseline and four and eight weeks later. RESULTS: There was a significant negative correlation between BDI scores and TAA. TAA was significantly lower in the MDD group than in controls. When the MDD group was subdivided into those who showed clinical response to antidepressant therapy (response group) and those who did not (non-response group), only the non-response group showed lower TAA, while the response group showed no significant difference to controls at baseline. After eight weeks of antidepressant treatment, TAA in both the response and non-response groups was similar, and there was no significant difference among the three groups. CONCLUSION: These results suggest that the response to antidepressant treatment in MDD patients might be predicted by measuring TAA.
OBJECTIVE: This study aimed to evaluate the total antioxidant activity (TAA) in patients with major depressive disorder (MDD) and the effect of antidepressants on TAA using a novel potentiometric method. METHODS: Twenty-eight patients with MDD and thirty-one healthy controls were enrolled in this study. The control group comprised 31 healthy individuals matched for gender, drinking and smoking status. We assessed symptoms of depression using the Hamilton Depression Rating Scale (HAMD) and the Beck Depression Inventory (BDI). We measured TAA using potentiometry. All measurements were made at baseline and four and eight weeks later. RESULTS: There was a significant negative correlation between BDI scores and TAA. TAA was significantly lower in the MDD group than in controls. When the MDD group was subdivided into those who showed clinical response to antidepressant therapy (response group) and those who did not (non-response group), only the non-response group showed lower TAA, while the response group showed no significant difference to controls at baseline. After eight weeks of antidepressant treatment, TAA in both the response and non-response groups was similar, and there was no significant difference among the three groups. CONCLUSION: These results suggest that the response to antidepressant treatment in MDDpatients might be predicted by measuring TAA.
Entities:
Keywords:
Antidepressant treatment; Major depressive disorder; Total antioxidant activity
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