Animal-Assisted Therapy in Children Living with Autism Spectrum Disorder: A Literature Review of Randomized Controlled Trials

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Maria Fernanda Cedeño-Bruzual
Carolina Sáez-Alarcón
Monica Cintra
Gustavo Whipple Gonzalez
Daniele Hamamoto
Franiana Blanco Mendez
Ananda Lima
Michell Saavedra
Fernanda Padrão Fernandes
Alejandra Gonçalves
Ariadne Belo-Silva
Asmaa Sooud
Francisco Pereira Borges Filho
Diego Reis
Thiago Pereira
Bashayer Al-Awam
Megan Lowey
Camila Vidal
David Moros
Klaus Ficher

Abstract

Introduction: Autism spectrum disorder (ASD) is a prevalent neurodevelopmental condition with significant impacts,
and the benefits of animal-assisted therapy (AAT) in this population are unclear. This review aims to inform clinical
decision-making and guide future research in AAT for children with ASD.


Methods: We conducted a comprehensive search across PubMed, Cochrane Library, Embase, and ScienceDirect of
randomized controlled trials of AAT in children with ASD, published until July 2023. Other inclusion criteria involved
English-language articles and full-text availability. The selection process adhered to PRISMA 2020 guidelines, and the
Cochrane Bias Assessment Tool was used for quality appraisal.


Results: 45 studies were retrieved; six were included after removing duplicates and applying criteria. These studies
included 300 children with ASD who received different AATs as an add-on therapy with a follow-up range of 7 to 16 weeks.
Additional outcomes were measured with multiple scales. Overall, studies described that AAT has various benefits in this
population, including improving cognitive, communication, and social skills, increasing adaptive behaviors, and reducing
irritability and hyperactivity compared to control groups that did not receive AAT. The risk of bias measured with the
Cochrane Bias Assessment Tool showed varied methodological quality among studies.


Conclusion: Whether involving dogs or horses, AAT can improve overall quality of life, reduce autism-related behaviors,
enhance communication and cognitive skills, promote social development, and mitigate anxiety. While encouraging, further research is imperative to strengthen the evidence base and assess the long-term effects of AAT in this population.

Article Details

How to Cite
Animal-Assisted Therapy in Children Living with Autism Spectrum Disorder: A Literature Review of Randomized Controlled Trials. (2023). Principles and Practice of Clinical Research, 9(3). https://doi.org/10.21801/ppcrj.2023.93.5
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How to Cite

Animal-Assisted Therapy in Children Living with Autism Spectrum Disorder: A Literature Review of Randomized Controlled Trials. (2023). Principles and Practice of Clinical Research, 9(3). https://doi.org/10.21801/ppcrj.2023.93.5

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