Abstract:
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 baseline 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.
journal_name
Neuropsychobiologyjournal_title
Neuropsychobiologyauthors
Rosso G,Zanardini R,Chiodelli DF,Ferrari C,Gennarelli M,Bocchio-Chiavetto Ldoi
10.1159/000446918subject
Has Abstractpub_date
2016-01-01 00:00:00pages
15-21issue
1eissn
0302-282Xissn
1423-0224pii
000446918journal_volume
74pub_type
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