Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment

Abstract Background Numerous interventions for irritability in autism spectrum disorder (ASD) have been investigated. We aimed to appraise the magnitude of pharmacological and non-pharmacological interventions for irritability in ASD without any restrictions in terms of eligible interventions. Metho...

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Main Authors: Hangnyoung Choi, Jae Han Kim, Hee Sang Yang, Jong Yeob Kim, Samuele Cortese, Lee Smith, Ai Koyanagi, Elena Dragioti, Joaquim Radua, Paolo Fusar-Poli, Jae Il Shin, Keun-Ah Cheon, Marco Solmi
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Language:English
Published: BMC 2024-01-01
Series:Molecular Autism
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Online Access:https://doi.org/10.1186/s13229-024-00585-6
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author Hangnyoung Choi
Jae Han Kim
Hee Sang Yang
Jong Yeob Kim
Samuele Cortese
Lee Smith
Ai Koyanagi
Elena Dragioti
Joaquim Radua
Paolo Fusar-Poli
Jae Il Shin
Keun-Ah Cheon
Marco Solmi
author_facet Hangnyoung Choi
Jae Han Kim
Hee Sang Yang
Jong Yeob Kim
Samuele Cortese
Lee Smith
Ai Koyanagi
Elena Dragioti
Joaquim Radua
Paolo Fusar-Poli
Jae Il Shin
Keun-Ah Cheon
Marco Solmi
author_sort Hangnyoung Choi
collection DOAJ
description Abstract Background Numerous interventions for irritability in autism spectrum disorder (ASD) have been investigated. We aimed to appraise the magnitude of pharmacological and non-pharmacological interventions for irritability in ASD without any restrictions in terms of eligible interventions. Methods We systematically searched PubMed/MEDLINE, Scopus, and Web of Science until April 15, 2023. We included randomized controlled trials (RCTs) with a parallel design that examined the efficacy of interventions for the treatment of irritability in patients of any age with ASD without any restrictions in terms of eligible interventions. We performed a random-effects meta-analysis by pooling effect sizes as Hedges’ g. We classified assessed interventions as follows: pharmacological monotherapy, risperidone plus adjuvant therapy versus risperidone monotherapy, non-pharmacological intervention, and dietary intervention. We utilized the Cochrane tool to evaluate the risk of bias in each study and the GRADE approach to assess the certainty of evidence for each meta-analyzed intervention. Results Out of 5640 references, we identified 60 eligible articles with 45 different kinds of interventions, including 3531 participants, of which 80.9% were males (mean age [SD] = 8.79 [3.85]). For pharmacological monotherapy, risperidone (Hedges’ g − 0.857, 95% CI − 1.263 to − 0.451, certainty of evidence: high) and aripiprazole (Hedges’ g − 0.559, 95% CI − 0.767 to − 0.351, certainty of evidence: high) outperformed placebo. Among the non-pharmacological interventions, parent training (Hedges’ g − 0.893, 95% CI − 1.184 to − 0.602, certainty of evidence: moderate) showed a significant result. None of the meta-analyzed interventions yielded significant effects among risperidone + adjuvant therapy and dietary supplementation. However, several novel molecules in augmentation to risperidone outperformed risperidone monotherapy, yet from one RCT each. Limitations First, various tools have been utilized to measure the irritability in ASD, which may contribute to the heterogeneity of the outcomes. Second, meta-analyses for each intervention included only a small number of studies and participants. Conclusions Only risperidone, aripiprazole among pharmacological interventions, and parent training among non-pharmacological interventions can be recommended for irritability in ASD. As an augmentation to risperidone, several novel treatments show promising effects, but further RCTs are needed to replicate findings. Trial registration PROSPERO, CRD42021243965.
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spelling doaj.art-9ca1dd0127834b6092e67cfd9aee0ce92024-03-05T16:31:51ZengBMCMolecular Autism2040-23922024-01-0115111410.1186/s13229-024-00585-6Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessmentHangnyoung Choi0Jae Han Kim1Hee Sang Yang2Jong Yeob Kim3Samuele Cortese4Lee Smith5Ai Koyanagi6Elena Dragioti7Joaquim Radua8Paolo Fusar-Poli9Jae Il Shin10Keun-Ah Cheon11Marco Solmi12Department of Child and Adolescent Psychiatry, Severance Hospital, Yonsei University College of MedicineYonsei University College of Medicine, Severance Hospital, Yonsei University Health SystemYonsei University College of Medicine, Severance Hospital, Yonsei University Health SystemYonsei University College of Medicine, Severance Hospital, Yonsei University Health SystemCentre for Innovation in Mental Health, School of Psychology, Faculty of Environmental and Life Sciences, University of SouthamptonCentre for Health, Performance and Wellbeing, Anglia Ruskin UniversityParc Sanitari Sant Joan de Deu, Sant Boi de Llobregat ESResearch Laboratory Psychology of Patients, Families and Health Professionals, Department of Nursing, School of Health Sciences, University of IoanninaImaging Mood- and Anxiety-Related Disorders (IMARD) Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Mental Health Research Networking Center (CIBERSAM), University of BarcelonaDepartment of Psychosis Studies, King’s College LondonDepartment of Pediatrics, Yonsei University College of MedicineDepartment of Child and Adolescent Psychiatry, Severance Hospital, Yonsei University College of MedicineDepartment of Psychiatry, University of OttawaAbstract Background Numerous interventions for irritability in autism spectrum disorder (ASD) have been investigated. We aimed to appraise the magnitude of pharmacological and non-pharmacological interventions for irritability in ASD without any restrictions in terms of eligible interventions. Methods We systematically searched PubMed/MEDLINE, Scopus, and Web of Science until April 15, 2023. We included randomized controlled trials (RCTs) with a parallel design that examined the efficacy of interventions for the treatment of irritability in patients of any age with ASD without any restrictions in terms of eligible interventions. We performed a random-effects meta-analysis by pooling effect sizes as Hedges’ g. We classified assessed interventions as follows: pharmacological monotherapy, risperidone plus adjuvant therapy versus risperidone monotherapy, non-pharmacological intervention, and dietary intervention. We utilized the Cochrane tool to evaluate the risk of bias in each study and the GRADE approach to assess the certainty of evidence for each meta-analyzed intervention. Results Out of 5640 references, we identified 60 eligible articles with 45 different kinds of interventions, including 3531 participants, of which 80.9% were males (mean age [SD] = 8.79 [3.85]). For pharmacological monotherapy, risperidone (Hedges’ g − 0.857, 95% CI − 1.263 to − 0.451, certainty of evidence: high) and aripiprazole (Hedges’ g − 0.559, 95% CI − 0.767 to − 0.351, certainty of evidence: high) outperformed placebo. Among the non-pharmacological interventions, parent training (Hedges’ g − 0.893, 95% CI − 1.184 to − 0.602, certainty of evidence: moderate) showed a significant result. None of the meta-analyzed interventions yielded significant effects among risperidone + adjuvant therapy and dietary supplementation. However, several novel molecules in augmentation to risperidone outperformed risperidone monotherapy, yet from one RCT each. Limitations First, various tools have been utilized to measure the irritability in ASD, which may contribute to the heterogeneity of the outcomes. Second, meta-analyses for each intervention included only a small number of studies and participants. Conclusions Only risperidone, aripiprazole among pharmacological interventions, and parent training among non-pharmacological interventions can be recommended for irritability in ASD. As an augmentation to risperidone, several novel treatments show promising effects, but further RCTs are needed to replicate findings. Trial registration PROSPERO, CRD42021243965.https://doi.org/10.1186/s13229-024-00585-6Autism spectrum disorderSystematic reviewMeta-analysisIrritabilityRandomized controlled trial
spellingShingle Hangnyoung Choi
Jae Han Kim
Hee Sang Yang
Jong Yeob Kim
Samuele Cortese
Lee Smith
Ai Koyanagi
Elena Dragioti
Joaquim Radua
Paolo Fusar-Poli
Jae Il Shin
Keun-Ah Cheon
Marco Solmi
Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment
Molecular Autism
Autism spectrum disorder
Systematic review
Meta-analysis
Irritability
Randomized controlled trial
title Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment
title_full Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment
title_fullStr Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment
title_full_unstemmed Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment
title_short Pharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment
title_sort pharmacological and non pharmacological interventions for irritability in autism spectrum disorder a systematic review and meta analysis with the grade assessment
topic Autism spectrum disorder
Systematic review
Meta-analysis
Irritability
Randomized controlled trial
url https://doi.org/10.1186/s13229-024-00585-6
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