- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05974241
Irritability in Children With ADHD and Emotion Dysregulation
Irritability in Children With ADHD and Emotion Dysregulation: Clinical Profiles, Neuropsychological Characteristics , and Pharmacological Treatment: A Cross-over Study
Objective:
Emotion dysregulation is common among children with ADHD and associated with a broad range of adult psychopathology, which is similar to the longitudinal outcomes of childhood irritability. However, the profiles of irritability in children with ADHD and emotion dysregulation has been understudied. This study aimed to investigate the efficacy of methylphenidate and aripiprazole in the treatment of irritability in children with ADHD and emotion dysregulation. In addition, the clinical profiles and neuropsychological characteristics of irritability in children with ADHD were explored.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Methods:
A three-step, open-label, 10 week pilot study was conducted. Methylphenidate (4 weeks), aripiprazole (4 weeks), and the combination (2weeks) were examined in sequence as the treatment for irritability in children with ADHD and emotion dysregulation, defined by the CBCL-Dysregulation Profile. The primary outcome was improvement of irritability as measured by Aberrant Behavior Checklist-irritability subscale (ABC-I). During the first step, the subjects received pharmacological treatment of methylphenidate with flexible dosage for 4 weeks. Those subjects who had suboptimal response to methylphenidate (reduction of ABC-I score < 25%) entered the second step and the medication was switched to aripiprazole. After 4 weeks of treatment, those whose ABC-I scores reduced < 25% entered the third step and received the treatment of combination of methylphenidate and aripiprazole for two weeks (3rd step).
Clinical profiles of irritability were evaluated with the Affective Reactivity Index (ARI), the Strengths and Difficulties Questionnaire, the Social Adjustment Inventory for Children and Adolescents, and the Autism Behavior Checklist-Taiwan Version. The neurophysiological characteristics of the subjects were assessed by three Cantab subtests: Emotion Recognition Task, One Touch Stockings of Cambridge, and Spatial Working Memory. The aforementioned measurements were administered at baseline and at the end of each step.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Taipei, Taiwan, 114
- Tri-Service General Hospital, National Defense Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients aged 6 to 18 who have ADHD and emotion dysregulation, defined by the CBCL-Dysregulation Profile.
Exclusion Criteria:
- Patients who are not willing to participate in the study after detailed explanation.
- Patients who have intellectual disability or could not follow the investigator's instructions.
- Patients who have severe neurological or mental illness like epileptic disorder, schizophrenia, bipolar disorder, or uncontrolled suicide risk.
- Patients who have severe medical illness or surgical conditions like uncontrolled abnormal thyroid function, or severe congenital heart disease.
- Patients who are allergic to methylphenidate or aripiprazole.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Pharmacological treatment
During the first step, the subjects received pharmacological treatment of methylphenidate with flexible dosage for 4 weeks.
Those subjects who had suboptimal response to methylphenidate entered the second step with aripiprazole.
After 4 weeks of treatment, those had suboptimal response to aripiprazole entered the third step and received the treatment of combination of methylphenidate and aripiprazole for two weeks (3rd step).
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Methylphenidate (4 weeks), aripiprazole (4 weeks), and the combination (2weeks).
The primary outcome was improvement of irritability as measured by Aberrant Behavior Checklist-irritability subscale (ABC-I).
During the first step, the subjects received pharmacological treatment of methylphenidate with flexible dosage for 4 weeks.
Those subjects who had suboptimal response to methylphenidate (reduction of ABC-I score < 25%) entered the second step and the medication was switched to aripiprazole.
After 4 weeks of treatment, those whose ABC-I scores reduced < 25% entered the third step and received the treatment of combination of methylphenidate and aripiprazole for two weeks (3rd step).
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Aberrant Behavior Checklist-irritability subscale (ABC-I)
Time Frame: 4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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The ABC is an instrument developed to assess emotional and behavioral difficulties in individuals with developmental disabilities.
However, its irritability subscale (ABC-I) is a proven well-validated and widely used rating inventory for measuring irritability in neurotypical children.
This subscale consists of 15 items about irritability, aggression, tantrums, agitation, and unstable mood.
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4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Affective Reactivity Index (ARI)
Time Frame: 4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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The ARI was created as a dimensional measurement of irritability with both parent-report and self-report form.
This questionnaire, assessing for symptoms of irritability in the previous 6 months, is composed of 6 items, and the 7th item on functional impairment is rated on a three-point scale (ranging from 0 for "not true" to 2 for "certainly true").
The reliability and validity of the ARI in typically developed children has been previously reported.
The sum of scores of the first six items was used in this present study.
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4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Social Adjustment Inventory for Children and Adolescents (SAICA)
Time Frame: 4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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The SAICA was designed for children and adolescents aged 6-18 years, and provided a systematic evaluation of children's and adolescents' adaptive functioning.
It assessed social adjustment in four major role areas: school, spare-time activities, peer relations, and home life.
The scoring of each item ranges from 1 for positive/not a problem, to 4 for negative/severe problem.
The children or adolescents with higher scores had either poorer functioning or more severe problems in the assessed domain.
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4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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The Strengths and Difficulties Questionnaire (SDQ)
Time Frame: 4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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The SDQ is a questionnaire for assessing the psychological problems and strengths in children, consisting of 25 items categorized as 5 subscales based on factor analyses: emotional symptoms, conduct problems, hyperactivity, peer problems, and prosocial behavior.
An impact supplement added to the SDQ provides additional information on the target child's possible difficulties and the burden for others.
Previous studies report that the Chinese version of the SDQ is a reliable and valid instrument for clinical studies in Taiwan.
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4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Cantab subtest-- Emotion Recognition Task (ERT)
Time Frame: 4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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The outcome measures for ERT cover percentage and number correct or incorrect and overall response latencies, which can be looked at either across individual emotions or across all emotions at once.
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4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Cantab subtest-- One Touch Stockings of Cambridge (OTS)
Time Frame: 4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Outcome measures include the number of problems solved on first choice, mean choices to correct, mean latency (speed of response) to first choice and mean latency to correct.
Each of these measures may be calculated for all problems, or for problems with a specified number of moves (one-move to five or six moves).
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4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Cantab subtest-- Spatial Working Memory (SWM)
Time Frame: 4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Outcome measures include errors (selecting boxes that have already been found to be empty and revisiting boxes which have already been found to contain a token) and strategy.
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4 weeks for the 1st step, 4 weeks for the 2nd step, and 2 weeks for the 3rd step
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Chin-Bin Yeh, MD., PhD., Tri-Service General Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Antipsychotic Agents
- Tranquilizing Agents
- Psychotropic Drugs
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Serotonin Agents
- Antidepressive Agents
- Dopamine Agonists
- Dopamine Agents
- Serotonin 5-HT1 Receptor Agonists
- Serotonin Receptor Agonists
- Serotonin 5-HT2 Receptor Antagonists
- Serotonin Antagonists
- Dopamine D2 Receptor Antagonists
- Dopamine Antagonists
- Dopamine Uptake Inhibitors
- Central Nervous System Stimulants
- Aripiprazole
- Methylphenidate
Other Study ID Numbers
- TSGH-C106-103
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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