Medicinal cannabis plant extract (NTI164) modifies epigenetic, ribosomal, and immune pathways in paediatric acute-onset neuropsychiatric syndrome.

Medicinal cannabis plant extract (NTI164) modifies epigenetic, ribosomal, and immune pathways in paediatric acute-onset neuropsychiatric syndrome.

CED Clinical Relevance  #81High Clinical Relevance  Strong evidence or policy relevance with direct clinical implications.
🔬 Evidence Watch  |  CED Clinic
PediatricNeuropsychiatricPansLow-ThcEpigenetics
Journal Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics
Study Type Open-Label Trial
Population Human participants
Why This Matters

This study represents the first systematic investigation of cannabis medicine for PANS, a devastating pediatric condition with limited treatment options. The multi-omics approach provides unprecedented molecular insight into how cannabinoids may modulate immune and epigenetic pathways in neuropsychiatric disorders.

Clinical Summary

This open-label trial treated 14 children with chronic PANS using 20 mg/kg/day of a cannabinoid-rich, low-THC cannabis extract (NTI164) for 12 weeks. Clinical Global Impression-Severity scores improved significantly from 4.8 to 3.3, indicating meaningful symptom reduction. The researchers employed comprehensive molecular profiling including transcriptomics, proteomics, and DNA methylation analysis to map biological changes. As an uncontrolled study with small sample size, findings require validation through randomized controlled trials before establishing clinical recommendations.

Dr. Caplan’s Take

“While the molecular data is fascinating and the clinical improvements encouraging, I remain cautious about drawing practice-changing conclusions from 14 patients in an open-label design. The mechanistic insights into epigenetic modulation are compelling enough to justify larger, controlled studies.”

Clinical Perspective
🧠 Clinicians should view this as promising preliminary evidence rather than established therapy for PANS. Families seeking cannabis treatment for pediatric neuropsychiatric conditions should understand this represents early-stage research requiring replication in controlled trials. The detailed molecular profiling methodology may inform future studies across pediatric neuropsychiatric disorders.

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FAQ

What is the recommended dosage of NTI164 for pediatric PANS patients?

The study used 20 mg/kg/day of NTI164, a cannabinoid-rich low-THC cannabis extract, administered over 12 weeks. This dosage was well-tolerated in children aged 4-17 years with chronic-relapsing PANS.

How effective was cannabis treatment for PANS symptoms?

Treatment with NTI164 significantly improved clinical severity scores, decreasing the mean Clinical Global Impression-Severity (CGI-S) score from 4.8 to 3.3 (p = 0.002). The study also demonstrated significant improvements in other clinical measures over the 12-week treatment period.

What are the safety considerations for using cannabis in pediatric PANS patients?

NTI164 was well-tolerated in all 14 children in the study, with no significant adverse events reported. The extract is specifically formulated as a low-THC, cannabinoid-rich preparation to minimize psychoactive effects while maintaining therapeutic benefits.

How does cannabis work to treat PANS at the biological level?

The study showed that NTI164 modifies epigenetic pathways, ribosomal function, and immune system responses through changes in gene expression, protein levels, and DNA methylation. This multi-pathway approach addresses the underlying immune dysfunction and epigenetic dysregulation characteristic of PANS.

Should cannabis be considered as first-line treatment for PANS?

This was a small open-label trial of 14 patients, so larger randomized controlled trials are needed before establishing cannabis as standard treatment. However, the promising results suggest it may be considered for treatment-resistant cases or as part of a comprehensive therapeutic approach for chronic-relapsing PANS.






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