期刊
NEUROPSYCHOBIOLOGY
卷 74, 期 1, 页码 15-21出版社
KARGER
DOI: 10.1159/000446918
关键词
Antidepressants; Depression; Growth hormone; Neurobiology; Obsessive-compulsive disorder; Serotonin reuptake inhibitors; Treatment response; Insulin-like growth factor-1; Neurotrophic factors; Somatotropic axis
资金
- Italian Ministry of Health
Background/Aims: Recent findings suggest an involvement of insulin-like growth factor-1 (IGF-1) in the pathogenesis of many psychiatric disorders; however, there is a lack of data regarding IGF-1 in patients with obsessive-compulsive disorder (OCD). The aims of the present study were (1) to analyze putative alterations of IGF-1 serum content in patients with OCD compared to patients with major depressive disorder (MDD) and healthy controls, and (2) to analyze putative changes of IGF-1 levels during drug treatment in subjects with OCD compared to patients with MDD. Methods: We recruited 40 OCD patients, 37 MDD patients, and 43 healthy controls. All participants were adults. Serum IGF-1 levels were measured by the ELISA method on venous blood samples collected at baseline and after 10 +/- 1 weeks of drug treatment. Results: IGF-1 levels were increased in OCD patients compared to controls (149.9 +/- 60.2 vs. 121.2 +/- 51.6 ng/ml; p = 0.040). No correlations were observed between base line IGF-1 levels, clinical features, and response to treatment at follow-up in OCD or MDD patients. No changes in serum IGF-1 were observed after drug treatment. Conclusion: Our results show for the first time that serum IGF-1 levels are altered in patients with OCD. Further research on the role of IGF-1 in OCD is warranted. (C) 2016 S. Karger AG, Basel
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