Regular cannabinoid use and inflammatory biomarkers: Systematic review and hierarchical meta-analysis.

CED Clinical Relevance  #100High Clinical Relevance  Strong evidence or policy relevance with direct clinical implications.
🔬 Evidence Watch  |  CED Clinic
InflammationBiomarkersMeta-AnalysisThcCbd
Journal Brain, behavior, and immunity
Study Type Randomized Trial
Population Human participants
Why This Matters

This systematic review and meta-analysis addresses a critical gap in understanding cannabis’s inflammatory effects across healthy and psychiatric populations. With cannabis use rising for both medical and recreational purposes, clinicians need evidence-based guidance on how cannabinoids affect systemic inflammation.

Clinical Summary

This comprehensive meta-analysis of 46 studies involving 54,382 participants examined peripheral inflammatory biomarkers in cannabinoid users versus non-users. The analysis included 190 effect sizes from observational studies, prospective studies, and randomized controlled trials. Observational data suggested cannabis use was associated with higher levels of anti-inflammatory markers, though the clinical significance and causality remain unclear given the heterogeneous study designs and populations included.

Dr. Caplan’s Take

“While intriguing, this meta-analysis highlights how much we still don’t understand about cannabis and inflammation. The mixed findings across study types reinforce that we cannot yet make definitive claims about cannabinoids’ anti-inflammatory effects in clinical practice.”

Clinical Perspective
🧠 Clinicians should interpret these findings cautiously and avoid recommending cannabis solely for anti-inflammatory purposes based on this evidence. Patients asking about cannabis for inflammatory conditions should understand that while some biomarker associations exist, we lack sufficient clinical evidence to establish therapeutic benefit or optimal dosing protocols.

💬 Join the Conversation

Have a question about how this applies to your situation? Ask Dr. Caplan →

Want to discuss this topic with other patients and caregivers? Join the forum discussion →

FAQ

This study item was assembled from normalized source metadata and pipeline scoring.






{“@context”: “https://schema.org”, “@type”: “ScholarlyArticle”, “headline”: “Regular cannabinoid use and inflammatory biomarkers: Systematic review and hierarchical meta-analysis.”, “url”: “https://pubmed.ncbi.nlm.nih.gov/41740869/”, “about”: “brain behavior immunity randomized trial regular”, “isPartOf”: “Brain, behavior, and immunity”}