Cannabidiol for COVID-19: real-time meta-analysis of 11 studies (Version 21)

Covid Analysis, Feb 2026
Meta-analysis using the most serious outcome reported shows 13% [-30‑81%] higher risk, without reaching statistical significance.
Control Cannabidiol
All data and sources to reproduce this analysis are in the appendix.
Important missing comments or errors? Let us know.
Covid Analysis et al., Feb 2026, preprint, 1 author.
Please send us corrections, updates, or comments. c19early involves the extraction of 200,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. Treatments and other interventions are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. IMA and WCH provide treatment protocols.
  or use drag and drop   
Submit    
Post
Share
@CovidAnalysis
FAQ
Public domain CC0 1.0