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- Title
Neurotrophin 3 genotype and emotional adverse effects of osmotic-release oral system methylphenidate (OROS-MPH) in children with attention-deficit/hyperactivity disorder.
- Authors
Park, Subin; Kim, Bung-Nyun; Kim, Jae-Won; Shin, Min-Sup; Cho, Soo-Churl; Kim, Ji-Hoon; Son, Jung-Woo; Shin, Yun-Mi; Chung, Un-Sun; Han, Doug-Hyun
- Abstract
Neurotrophin 3 (NTF3) has been studied in relation to the pathophysiology of attention-deficit/hyperactivity disorder (ADHD) and mood disorders as well as psychostimulant action. We hypothesized that the risk of an emotional side effect to methylphenidate (MPH) treatment may be associated with NTF3 genotypes. Ninety-six medication-naïve children with ADHD (mean age 8.70, standard deviation 1.41 years, 79 males) were genotyped and treated with MPH. At baseline, which was prior to MPH treatment, and after two weeks of medication, investigators asked children and their parents or caregivers about adverse events using a symptom rating scale. ADHD subjects with the A/A genotype at the NTF3 rs6332 polymorphism showed the highest ‘Emotionality’ and ‘Over-focus/euphoria’ factor scores, followed by those with the G/A genotype and those with the G/G genotype (p=0.042 and p=0.045, respectively). ADHD subjects with the A/A genotype at the NTF3 rs6332 polymorphism showed the highest ‘Proneness to crying’ and ‘Nail biting’ item scores, followed by those with the G/A genotype and those with the G/G genotype (p=0.047 and p=0.017, respectively). These data provide preliminary evidence that genetic variation in the NTF3 gene is related to susceptibility to emotional side effects in response to MPH treatment in Korean children with ADHD.
- Subjects
NEUROTROPHINS; METHYLPHENIDATE; DRUG side effects; CHILDREN with attention-deficit hyperactivity disorder; AFFECTIVE disorders; GENETIC polymorphisms; NAIL-biting; PATHOLOGICAL physiology
- Publication
Journal of Psychopharmacology, 2014, Vol 28, Issue 3, p220
- ISSN
0269-8811
- Publication type
Article
- DOI
10.1177/0269881113480989