Methylphenidate-risperidone combination in child psychiatry: A retrospective analysis of 44 cases
H Javelot1, C Glay-Ribau2, F Ligier3
1Centre psychothérapeutique de Nancy-Laxou, 54520 Laxou, France; Service de psychiatrie de l'enfant et de l'adolescent, hôpital d'enfants, 54500 Vandœuvre-lès-Nancy, France; ETAP - neuropsychopharmacology department, 54500 Vandœuvre-lès-Nancy, France; Psychiatry II and Inserm unit 1114, university hospital of Strasbourg, 67000 Strasbourg, France; Clinical pharmacy service, établissement public de santé Alsace Nord, 67170 Brumath, France.
Insights
Methylphenidate-risperidone combination therapy effectively reduced ADHD, conduct, sleep, and anxiety symptoms in children. While side effects like tachycardia and dyskinesia were noted, the overall benefit-risk ratio appears favorable for many young patients.
Area of Science:
- Child and Adolescent Psychiatry
- Pharmacology
- Neurodevelopmental Disorders
Background:
- Psychostimulant-antipsychotic combinations are common in child psychiatry but underreported.
- Limited literature exists on methylphenidate-risperidone (MPH-RIS) bitherapy in pediatric populations.
Purpose of the Study:
- To evaluate the efficacy and safety of MPH-RIS bitherapy in children.
- To assess the impact of this combination on ADHD, conduct disorder, sleep, and anxiety symptoms.
Main Methods:
- Retrospective study of 44 children treated with MPH-RIS bitherapy.
- Analysis of children with comorbid Attention Deficit Hyperactivity Disorder (ADHD).
Main Results:
- Over 60% of patients showed decreased ADHD, conduct, sleep, and anxiety symptoms.
- Observed compensatory effects on weight gain (70%) and appetite (50%).
- Rare instances of tachycardia (3 cases) and one case of dyskinesia were reported.
Conclusions:
- MPH-RIS bitherapy demonstrates significant efficacy in children with ADHD and conduct disorder.
- Tolerance issues may arise, but the benefit-risk profile is favorable for select pediatric cases.
Introduction:
Psychotimulant-antipyschotic combinations are frequently used in child psychiatry, but have been rarely described in the literature.
Method And Patients:
We propose here a retrospective study of 44 children who received the combination methylphenidate (MPH)-risperidone (RIS). The sample is composed of children who received either MPH (n=28) or RIS (n=16) as primary treatment. A vast majority of the children had a comorbid attention deficit hyperactivity disorder (ADHD) diagnosis.
Results:
For over 60% of patients, regardless of their initial monotherapy, bitherapy decreased the symptoms of ADHD and conduct disorder, sleep disorders and anxiety. Concerning the safety of the bitherapy, a compensation effect on weight gain and appetite was respectively observed in 70% and 50% of patients. Even though iatrogenic tachycardia can be encountered with both drugs, it has never been reported when they are associated and we have reported a total of 3 cases in our study. We have also observed a case of dyskinesia resolved with the discontinuation of the treatment.
Discussion/Conclusion:
MPH-RIS bitherapy appears to be particularly effective in ADHD with conduct disorder symptoms. Although tolerance may limit its use, the benefit/risk ratio seems favourable for a number of children.
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