Emerging clinical evidence suggests cannabidiol may safely improve symptoms of autism spectrum disorder, intellectual disability, tics, and ADHD in children, though research remains early.
Parents, clinicians, and researchers interested in CBD for neurodevelopmental conditions.
Evidence spans autism, intellectual disability, tics, and ADHD
What the researchers found
CBD modulates the endocannabinoid system in developing brains through multiple mechanisms and appears to have anxiolytic, antipsychotic, and neuroprotective properties. Clinical evidence suggests early CBD treatment could improve common symptoms in neurodevelopmental disorders including social interaction deficits, anxiety, hyperactivity, and sleep problems.
Why it matters
Neurodevelopmental disorders affect millions of children and current medications often have significant side effects. CBD offers a potential alternative with a relatively high safety threshold.
The numbers in context
Review covers four neurodevelopmental disorders: intellectual disability, autism spectrum disorder, tics, and ADHD. CBD described as having a "relatively high toxicity limit."
How the study worked
Literature review of clinical and pre-clinical studies on cannabinoid use in pediatric neurodevelopmental disorders, with attention to safety and efficacy.
What this study cannot tell us
Most evidence is preliminary. Limited controlled trials in pediatric populations. Long-term effects of CBD on developing brains need more study.
How to read the evidence
Narrative review drawing on limited clinical studies and preclinical data. Most evidence is early-stage.
When this study was published
Published in 2022.
The bigger picture
The pathophysiology of neurodevelopmental disorders remains only partially understood, making targeted pharmacological treatment difficult. CBD's broad neuromodulatory effects may address multiple symptom domains simultaneously.
Questions still open
- What are the optimal CBD doses for different neurodevelopmental conditions in children? How does long-term CBD use affect brain development?
Common questions
Which neurodevelopmental disorders showed the most promise?
Is CBD safe for children?
Read the original research
The role of cannabinoids in neurodevelopmental disorders of children and adolescents.
Revista de neurologia, 75(7), 189-197
Citation
Dias-de Freitas, F; Pimenta, S; Soares, S; Gonzaga, D; Vaz-Matos, I; Prior, C. (2022). The role of cannabinoids in neurodevelopmental disorders of children and adolescents.. Revista de neurologia, 75(7), 189-197. https://doi.org/10.33588/rn.7507.2022123
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