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Yıl:2015; Cilt: 2; Sayı: 3>> Özet
TAM METİN
The Journal of Neurobehavioral Sciences; 2015;2(3):110-113
Trikotilomanide N-Asetilsistein Kullanımı
H Bulut, GH Sayar
Büyükçekmece Devlet Hastanesi, İstanbul
Trikotilomani tekrarlayan saç çekme ile karakterize kronik bir ruhsal bozukluktur. DSM-5’te istifleme, ekskoriasyon ve trikotilomani, uygunsuz ve aşırı tekrarlayıcı davranışlar ve inhibitör kontrol süreçlerinin bozulması ile karakterize benzer klinik sunumlar paylaşan bozukluklar olarak “obsesif-kompulsif ilişkili bozukluklar” olarak sınıflandırılır. Araştırma bulgularına göre kortiko-striato-talamik-kortikal devrelerde anormallikler, trikotilomaninin de dahil olduğu obsesif kompulsif ilişkili bozuklukların patofizyolojisinde yer alan en önemli faktörlerden birisidir. Glutamat kortiko-striato-talamik-kortikal devrelerde birincil nöroiletkendir. Bu nedenle, glutamat modüle edici ajanların kullanımı, obsesif kompulsif ilişkili bozukluklar için ilgi çekicidir. N-asetilsistein, amino asit olan L-sisteinin bir türevidir ve trikotilomani de dahil olmak üzere, obsesif kompulsif ilişkili bozukluklarda potansiyel tedavi olarak incelenmiştir. N-asetilsistein gibi prefrontal glutamaterjik sistemi hedefleyen farmakoterapiler, trikotilomani belirtileri ve altta yatan patofizyolojik bozukluklarda etkili olabilir. Sınırlı sayıda çalışmada N-asetilsistein umut verici bir tedavi seçeneği olarak izlenmiş olsa da bu çalışmalar 3-4 ay tedavi süresini aşan etkinliği değerlendirmemiştir. Trikotilomaninin N-asetilsistein ile tedavisinin uzun dönemli etkileri incelenmelidir.
N-Acetylcysteine in Treatment of Trichotillomania
Trichotillomania is a chronic mental disorder characterized by recurrent hair-pulling. Hoarding, excoriation and trichotillomania are classified as obsessive-compulsive related disorders in DSM-5, which share similar clinical presentations, characterized by inappropriate and excessive repetitive behaviors and dysregulation of inhibitory control processes. Research evidence suggests that abnormalities in the cortico-striato-thalamic-cortical circuits are one of the key factors underlying the pathophysiology of obsessivecompulsive related disorders, including trichotillomania. Glutamate is the primary neurotransmitter within the cortico-striato-thalamiccortical circuits. Therefore, the use of glutamate-modulating agents is subject to interest for obsessive-compulsive related disorders. N-acetylcysteine, a derivate of the amino acid L-cysteine, has been explored as potential therapy for obsessive-compulsive related disorders, including trichotillomania. Pharmacotherapies that target the prefrontal glutamatergic system, such as N-acetylcysteine, may correct the underlying pathophysiologic abnormalities and symptoms of trichotillomania. Even a limited number of studies are suggesting that N-acetylcysteine is a promising treatment option, these studies did not assess treatment effects exceeding 3-4 months treatment period. Longer term effects of N-acetylcysteine therapy in trichotillomania require further evaluation.

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