期刊
PEERJ
卷 9, 期 -, 页码 -出版社
PEERJ INC
DOI: 10.7717/pearj.10989
关键词
Ketamine; Brain-derived neurotrophic factor; Depression; Predictors; Response
资金
- Science and Technology Planning Project of Liwan District of Guangzhou [202004034]
- Guangzhou Health Science and Technology Project [20211A011045]
- Guangzhou science and Technology Project of traditional Chinese Medicine and integrated traditional Chinese and Western medicine [20211A011045]
- China International Medical Exchange Foundation [Z-2018-35-2002]
- Guangzhou Clinical Characteristic Technology Project [2019TS67]
- Guangdong Hospital Association [2019ZD06]
The study found that baseline plasma BDNF concentrations appeared to be correlated with ketamine's antidepressant efficacy in Chinese patients with depression. High levels of pBDNF were associated with better treatment outcomes.
Objectives. Accumulating evidence has implicated that brain derived neurotrophic factor (BDNF) is thought to be involved in the pathophysiology of depression, but its correlation with ketamine's antidepressant efficacy focusing on Chinese individuals with depression is not known. This study was aim to determine the correlation of plasma BDNF (pBDNF) concentrations and ketamine's antidepressant efficacy. Methods. Ninety-four individuals with depression received six intravenous infusions ketamine (0.5 mg/kg). Remission and response were defined as Montgomery-Asberg Depression Rating Scale (MADRS) scores less than 10 and a reduction of 50% or more in MADRS scores, respectively. Plasma was collected at baseline and at 24 h and 2 weeks after completing six ketamine infusions (baseline, 13 d and 26 d). Results. A significant improvement in MADRS scores and pBDNF concentrations was found after completing six ketamine infusions compared to baseline (all ps < 0.05). Higher baseline pBDNF concentrations were found in ketamine responders/remitters (11.0 +/- 6.2/10.1 +/- 5.8 ng/ml) than nonresponders/nonremitters (8.0 +/- 5.5/9.2 +/- 6.4 ng/ml) (all ps < 0.05). Baseline pBDNF concentrations were correlated with MADRS scores at 13 d (t = -2.011, p = 0.047) or 26 d (t = -2.398, p = 0.019) in depressed patients (all ps < 0.05). Subgroup analyses found similar results in individuals suffering from treatment refractory depression. Conclusion. This preliminary study suggests that baseline pBDNF concentrations appeared to be correlated with ketamine's antidepressant efficacy in Chinese patients with depression.
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