• 생물정신의학
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• 제12권2호
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• pp.221-226
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• 2005

교통사고 등에 의한 외상성 뇌손상에서 이차적으로 주의력결핍 과잉행동장애가 나타나는 경우가 점차 증가하고 있으며, 이에따른 치료방법도 점차 다양화되고 있는 추세이다. 주의력결핍 과잉행동장애에서 많이 사용되어지는 OROS Methylphenidate를 환자에게 투여하여 인지적인 개선뿐만아니라 충동성, 산만함, 공격성 등의 증상에 효과가 있는지의 여부를 살펴보고자 하였다. 약물투여 전에 비하여 약물투여 후에 환자는 충동성, 공격성, 부주의의 개선효과를 나타내었다.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제32권1호
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• pp.10-16
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• 2021

Objectives: The aim of this study was to compare the compliance, efficacy, and satisfaction associated with methylphenidate and atomoxetine for treating attention-deficit/hyperactivity disorder (ADHD). Methods: The subjects were 44 patients who met the Diagnostic and Statistical Manual of Mental Disorder-5 diagnostic criteria for ADHD and were treated with methylphenidate or atomoxetine. The methylphenidate formulations included immediate release (IR), extended release (ER), and osmotic-controlled release oral delivery system (OROS). Patients and parents reported the average number of days per week the medication was taken. Efficacy was assessed using the ADHD Rating Scale. Satisfaction with medication scale (SAMS)-parent report form and SAMS-self-report form were used to evaluate parents' and patients' satisfaction, respectively. Results: Patients and parents were more satisfied with methylphenidate than with atomoxetine. There were no significant differences in the compliance with and efficacy of methylphenidate and atomoxetine. Compliance with methylphenidate IR and ER was markedly lower than that with OROS methylphenidate or atomoxetine. Conclusion: Methylphenidate OROS formulation can be considered a suitable option given its high rates of compliance, satisfaction, and efficacy.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제19권3호
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• pp.147-155
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• 2008

Objectives: The purpose of this study was to evaluate the efficacy and tolerability of osmotic release oral system-methylphenidate (OROS-MPH) in children with attention-deficit hyperactivity disorder (ADHD) and comorbid psychiatric disorders. Methods: This was an 8-week open label study of OROS-MPH monotherapy. The subjects were 113 children with ADHD aged 6-12 years. Outcome measures were the Korean version of the parent ADHD Rating Scale (K-ARS), Korean version of the Conners Parent Rating Scale (K-CPRS), Clinical Global Impression-Severity and Clinical Global Impression-Improvement. Side effects were monitored using Barkley's Side Effect Rating Scale. We compared the change-over-time in the mean scores of the outcome measure according to the comorbidity of disruptive behavior disorder, depressive disorder, anxiety disorder, and tic disorder. Results: The mean K-ARS and K-CPRS scores were significantly decreased, regardless of the comorbidity. The mean doses of OROS-MPH and dropout rate did not differ significantly according to comorbidity. The OROS-MPH was well tolerated, regardless of the comorbidity. However, children with tic disorder reported a higher frequency of tics or nervous movements between the $2^{nd}\;and\;8^{th}$ week than those without tic disorder. Conclusion: The OROS-MPH is effective for decreasing the symptoms of ADHD, and it is well tolerated, even by patients with comorbid psychiatric disorders.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제25권2호
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• pp.82-88
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• 2014

Objectives : The aim of our study was to investigate association of norepinephrine transporter gene (SLC6A2) polymorphism and side effects of osmotic-release oral system methylphenidate (OROS MPH) in children with attention-deficit hyperactivity disorder (ADHD). Methods : We recruited drug naive children with ADHD (N=97). We administered OROS MPH by tolerable dosage. At week 8 of treatment, parents completed the Barkley's side effect rating scale. We analyzed two SLC6A2 single nucleotide polymorphisms (SNPs), rs192303 and rs3785143, with blood of subjects. We compared the frequency and severity of each side effect among SLC6A2 genotypes of 2 SNPs. Results : In the analysis of frequency of each side effect, irritability differed according to rs192303 and rs3785143 genotype. In comparisons of severity, talking less and disinterest differed according to rs192303 genotype. In the case of rs3785143, severities of disinterest and irritability were involved with genotype. Conclusion : Side effects of OROS MPH showed an association with SLC6A2 genotype.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제23권3호
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• pp.103-108
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• 2012

Objectives : The aim of this study is to investigate the effectiveness of treatment with osmotic-release oral system methylphenidate (OROS-MPH) on quality of life (QOL) in children with attention-deficit hyperactivity disorder (ADHD). Another aim is to assess the relationship between change in QOL and other factors including children's symptoms and academic performance or parents' depression and parenting stress. Methods : A total of 111 medication-naive children with ADHD in a multicenter, open-label, 12-week trial of OROS-MPH completed an evaluation using diverse rating scales at two time points; at baseline and after 12 weeks of treatment. Scales for investigation of children included the Parent Report Form-Children's Health and Illness Profile-Children's Edition (PRF-CHIP-CE) on QOL, the ADHD Rating Scale-IV on symptoms, and the Academic Performance Rating Scale (APRS). The Beck Depression Inventory and Parenting Stress Index were used for assessment of their parents. Results : Total scores for mean PRF-CHIP-CE increased from $207.9{\pm}26.7$ at baseline to $226.3{\pm}25.9$ after 12 weeks of treatment (p<.001). The change of APRS showed the strongest correlation with the increment of PRF-CHIP-CE scores (Pearson coefficient=0.561, p<.001), even after controlling for other factors (partial correlation coefficient=0.420, p<.001). Conclusion : Treatment with MPH-OROS results in improvement of QOL in children with ADHD in Korea. The advance in academic performance plays a key role in this change of QOL.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제24권3호
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• pp.157-163
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• 2013

Objectives : Previous studies reported that attention-deficit hyperactivity disorder (ADHD) resulted from a deficit of selective attention and sustained attention. In this study, we assessed the result of methylphenidate-induced changes of the cerebral frontal executive functions in patients with ADHD. Methods : The subjects in this study consisted of 16 ADHD patients whose age ranged from 7 to 12. We used ADHD Diagnostic System (ADS) for the attention improvement, and the Stroop Test for the executive function response to pharmacotherapy with MPH. Results : After pharmacotherapy with methylphenidate for 12 weeks, the study group showed improvement in the clinical aspects through Clinical Global Impression-Severity, ADHD-rating scale and Inattention/Overactivity With Aggression Conner's Parents Rating Scale. In the ADS test, only in auditory task there was a decrease of both the response time and the standard deviation of the response time significantly. In the Stroop Test, there was a decrease in the word task, color task and color-word task significantly. Conclusion : Our results show that psychostimulant medication improves neuropsychological function, including the cerebral frontal executive function. This study implies that we have to consider the improvement of executive function, as well as attention when evaluating the efficacy of treatment.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제21권2호
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• pp.63-71
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• 2010

Objectives : The aim of this study was to investigate the effect of the clinical and demographic variables such as body weight, dosage, family history of attention-deficit hyperactivity disorder (ADHD), and psychiatric co-morbidity on the side-effects of OROS-Methylphenidate (OROS-MPH), and to evaluate the relationship between drug response and side effect severity. Methods : A total of 144 children (ages 6-18) with diagnosed ADHD were treated with OROS-MPH. Children were examined at baseline and after 1, 3, 6, 9, and 12 weeks of each treatment condition. The stimulant drug side effect rating scale (SERS), pulse rate, systolic blood pressure, diastolic blood pressure, and electrocardiogram (ECG) were evaluated to assess side effect profiles. Changes in these parameters from baseline were examined and analyzed. Results : Anorexia (30.95%) and insomnia (13.10%) were the most commonly reported side effects during this study. Insomnia and loss of appetite score increased at one week follow-up, but was sustained or decreased as treatment progressed. Small but significant increases in pulse rate and diastolic blood pressure were observed during treatment ; however, no clinically meaningful changes in ECG parameters were noted during the study. Low body weight, high dosage of OROS-MPH, and family history of ADHD were associated with cardiovascular side effect. In contrast, there was no significant relationship between OROS-MPH treatment response and the severity of side effect and no difference resulted between the responder and non-responder groups with respect to OROS-MPH dosage in the 12 weeks of follow-up. Conclusion : To the best of our knowledge, this study is the first Korean study to investigate comprehensive side effect profiles and their correlates in OROS-MPH treatment for ADHD children. OROS-MPH was well tolerated with no clinically significant side effects during the treatment period. In conclusion, low body weight, high dosage of OROSMPH, and family history of ADHD could be used as predictive factors in increasing pulse rate and blood pressure.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제25권2호
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• pp.65-72
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• 2014

Objectives : The objective of this study was to evaluate the treatment duration and adherence of osmotic-controlled release oral delivery system (OROS) methylphenidate for treatment of attention-deficit hyperactivity disorder (ADHD). Methods : A total of 843 children with ADHD were recruited : 213 children (25.3%) who had previously taken medications for ADHD and 630 drug-na$\ddot{i}$ve children (74.7%) were recruited. The dosage was adjusted according to the clinician's judgment. The primary efficacy endpoint of this study was treatment retention rate, which was estimated at Week 12 and Week 20 using the Kaplan-Meier curve. The Swanson, Nolan and Pelham-IV (SNAP-IV), Clinical Global Impression-Severity (CGI-S), Clinical Global Impression-Improvement, and the side effect rating scale were measured at every visit. Remission rates were presented based on SNAP-IV and CGI-S, respectively. Results : The treatment retention rate at 12 weeks and at 20 weeks was 76.2% and 66.8%, respectively. Divided according to 6-8, 9-11, 12-14 and 15-18 years of age, younger children tended to show a statistically higher treatment retention rate (p=.02). Based on SNAP-IV and CGI scores, children with better response to medication showed tendencies of statistically higher treatment retention rate. The most common adverse events included loss of appetite (7.1%) and insomnia (3.3%). There was no serious adverse event related to the treatment, such as death. Conclusion : The use of OROS methylphenidate for treatment of ADHD was safe and tolerable for children. In this study, lower age and better treatment response showed a statistically significant relationship with higher treatment adherence. Boys showed a trend of high treatment adherence. The treatment adherence at 20 weeks was satisfactory, however, the treatment adherence after 20 weeks showed a sharp decrease. Therefore, treatment persistence for six months after the beginning of ADHD treatment is important. In addition, the positive role of psycho-education for children and parents is necessary for increasing treatment adherence.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제16권2호
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• pp.279-285
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• 2005

목적 : 이 연구에서는 장시간 약물작용이 지속되는 MPH-OROS를 주의력결핍과잉운동장애 아동에게 투여하여 그 효용성과 안전성 및 부모 만족도를 평가하려고 하였다. 방법 : 연구대상은 DSM-IV의 진단기준을 이용하여 임상적으로 ADHD로 진단 받은 569명의 아동으로 하였다. 이미 약물을 복용중이거나 약을 복용한 적이 없는 아동을 대상으로 이전 약물에서 MPH-OROS로 약물을 바꾸거나 처음으로 MPH-OROS를 복용하였다. 증상의 정도는 MPH-OROS 약물 사용 전과 사용 1주 및 3주에 한국어판 Conners 부모용 평가척도를 사용하여 평가하였다. 임상 호전은 Clinical Global Impression Severity of illness(CGI-S)를 사용하여 MPH-OROS 약물 복용 전과 복용 1주 및 3주에 임상가가 평가하였고 Clinical global impression severity of improvement(CGI-I)로 약물 복용 1주 및 3주에 호전 정도를 평가하였다. 약물 복용 3주에는 약물 복용에 따른 부모 만족도를 설문 조사하였다. 결과 : MPH-OROS의 1일 평균 복용량은 기저선 $25.3{\pm}11.2mg$ 1주 $28.9{\pm}12.7mg$, 3주 $31.3{\pm}13.2mg$이었다. 시간에 따라 용량이 유의하게 증가하였고, 성에 따른 차이는 없었다. 전체의 $13\%$가 중도 탈락했으며, 그 원인으로는 부작용이 가장 많았다. CGI-I의 변화는 시간에 따라 유의하게 감소하는 모습을 보였고, 성에 따른 호전 정도의 차이는 나타나지 않았다. CGI-I에 의한 호전평가에서 MPH-OROS 치료 1주에 호전은 $72.3\%$이고 치료 3주에는 $87.4\%$였다. 한국판 Conners부모용 평가척도 합계 점수는 시간에 따라 유의하게 감소하였다. 한 가지 이상의 부작용을 경험하였던 환자는 119명으로 $20.7\%$에 달하였으며, 가장 많은 빈도로 나타난 것은 식욕부진이고, 불면, 두통, 오심의 순이었다. 기존에 속효성 메틸페니데이트를 사용하던 군과 약물을 처음 사용하는 군을 나누어 부작용 빈도를 살펴보았을 때 크게 차이가 나지 않았다. 부모만족도 설문 결과에서 MPH-OROS 약물치료에 대해 $94\%$의 부모는 전반적으로 만족한다고 응답하였다. 또한 부모가 보고하는 MPH-OROS 의 가장 큰 장점은 오후까지 약물효과 지속, 학교생활 및 수업태도, 가정생활 및 숙제, 과잉행동 개선의 순이었다. 결론 : MPH-OROS는 주의력결핍과잉운동장애의 치료에서 효과적이며 충분히 안전하다.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제14권1호
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• pp.3-11
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• 2003

주의력결핍/과잉행동장애는 소아 청소년기의 가장 흔한 정신 장애이다. 이 장애의 기본 증상 및 이차 증상으로 인하여 본 장애를 가진 아동들은 학교 생활의 어려움, 학업성취도의 저하, 가족이나 친구관계 등 대인관계의 문제를 보이며, 장애가 적절하게 치료되지 않으면, 우울증과 같은 이차적인 정신장애로 발전하기도 하며, 물질남용, 행동장애, 반사회적 인격장애 등과 같은 장애와도 연관되어 있다. 현재까지 주의력결핍/과잉행동장애 치료로 가장 선호되는 것은 메칠페니데이트나 암페타민 등의 중추신경자 극제이다. 이들 약제의 작용기전은 여전히 불분명한 부분도 있으나, 대체적으로 뇌에서 도파민 등의 카테콜아민 농도를 증가시켜서 시냅스 효율을 높히는 것으로 알려져 있다. 효과 측면에서도 정신약물학 분야에서 본 중추신경자극제에 의한 주의력결핍/과잉행동장애의 치료는 정신질환의 어떤 치료법보다도 효과적이다. 지금까지 중추신경자극제의 최대 단점은 짧은 작용시간으로 인하여 하루에도 여러 차례 복용을 해야 한다는 것이다. 이로 인하여 본 약제를 복용하는 아동들은 동료로 부터 문제아로 낙인이 찍힐 가능성이 높으며, 낮은 약물 순응도, 사회적 편견 등에 노출될 가능성이 높았다. 이로 인하여 중추신경자극제의 장기 제형 개발은 꾸준히 시도되었고, 최근에는 본 장애의 병태생리에 대한 새로운 연구결과를 반영한 보다 진보된 형태의 장기 작용형 중추신경자극제가 등장하였다. 본 고찰에서는 이들 제형들의 특징을 소개하였다. 이들 새로운 제형의 중추신경자극제들은 주의력결핍/과잉행동장애를 가진 아동 뿐만 아니라 장애아의 부모나 학교 교사에도 큰 도움을 줄 것으로 기대한다.