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Cannabidiol reduces seizure frequency in patients with Dravet syndrome and Lennox-Gastaut syndrome.
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SUPPORTED
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Recorded sources
9 sources for · 0 against
Is it true that Cannabidiol reduces seizure frequency in patients with Dravet syndrome and Lennox-Gastaut syndrome?
Yes. Multiple systematic reviews and meta-analyses of randomized placebo-controlled trials report that adjunctive cannabidiol significantly reduces seizure frequency in patients with Dravet syndrome and Lennox-Gastaut syndrome, with additional cohort and chart-review studies supporting the effect.
Verdict: SUPPORTED · 9 sources for, 0 against · Last checked
Evidence for · 9
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Dravet syndrome. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Dravet_syndrome
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More for · 8
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cannabidiol. (n.d.). cancer.gov. https://www.cancer.gov/publications/dictionaries/cancer-terms/def/cannabidiol
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Cannabidiol: A New Hope for Patients With Dravet or Lennox-Gastaut Syndromes. (2019). doi.org. https://doi.org/10.1177/1060028018822124
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Koo, C., Kim, S. H., Lee, J., Park, B., Lee, H., Kim, H., & Kang, H. (2020). Cannabidiol for Treating Lennox-Gastaut Syndrome and Dravet Syndrome in Korea. doi.org. https://doi.org/10.3346/jkms.2020.35.e427
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Silvinato, A., Floriano, I., & Bernardo, W. (2022). Use of cannabidiol in the treatment of epilepsy: Lennox-Gastaut syndrome, Dravet syndrome, and tuberous sclerosis complex. doi.org. https://doi.org/10.1590/1806-9282.2022D689
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Use of cannabidiol in the treatment of epilepsy: Lennox-Gastaut syndrome, Dravet syndrome, and tuberous sclerosis complex - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1590/1806-9282.2022D689
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Retrospective Chart Review Study of Use of Cannabidiol (CBD) Independent of Concomitant Clobazam Use in Patients with Lennox-Gastaut Syndrome or Dravet Syndrome. (2023). u-picardie.hal.science. https://doi.org/10.1016/j.seizure.2023.05.003
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R, P., M, M., MA, K., & AY, C. (2026). Adjunctive Cannabidiol for Drug-Resistant Epilepsy: A Systematic Review and Meta-Analysis of Randomized Trials Across Syndromes, Formulations, and Dose Ranges.. doi.org. https://doi.org/10.2147/tcrm.s601774
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Ríos, G. P., Perucca, E., Striano, P., Caraballo, R., Ríos, X. P., Pascual-Pascual, S., & Cuesta, G. P. (2026). Epilepsy, neuroinflammation and cannabidiol What do we know thus far?. doi.org. https://doi.org/10.3389/fphar.2025.1749260
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Refractory epilepsy in children: current evidence for the use of cannabidiol in Brazil. (2025). doi.org. https://doi.org/10.5327/1516-3180.cpn.1489
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