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Toxoplasma gondii – obsessive -compulsive disorder relationship: is it different in children?

February 1, 2020
Miman, O., Ozcan, O., Unal, S., Atambay, M.
Nordic Journal of Psychiatry 2019, 72: 501 - 505
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Background and aim: Obsessive-compulsive disorder (OCD) is a common neuropsychiatric illness. Although the etiology of OCD is still unknown, recent investigations have associated development of OCD with infectious illness. Toxoplasma gondii (T. gondii) is a neurotropic protozoan parasite that causes infection of the central nervous system. In the last decade, a lot of researches have focused on the possible relationship between exposure to T. gondii and neuropsychiatric disorders such as schizophrenia. Therefore, in this study, it was aimed to investigate a possible association between Toxoplasma infection and OCD in children and adolescents.Methods: We selected 55 patients with OCD (aged between 7 and 16 years) and 59 healthy children and adolescents (aged between 7 and 16 years), and investigated the seropositivity rate for anti-Toxoplasma IgG antibodies by enzyme-linked immunosorbent assay.Results: The seropositivity rate for anti-T. gondii IgG antibodies among OCD patients (21.82%) was found to be higher than the rate in control group (15.25%). However, the difference between the OCD group and the control group was not statistically significant (p>.05).Conclusion: In contrast to studies in adult patients, the results of this study do not support the relationship between T. gondii and OCD children and adolescents.

Tagged: adolescents, adolesent, antibodies, behavior, enzym-linked immunosorbent assay, Epidemiology, infection, obsessive-compulsive disorder-diagnosis-parasitology-psychology, Schizophrenia, Toxoplasma gondii

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