M. Guzman et al., “A pilot clinical study of 9-tetrahydrocannabinol in patients with recurrent glioblastoma multiforme,” British Journal of Cancer 95, issue 2 (July 17, 2006): 197-203.

THC and other cannabinoids have been shown to have marked anti-cancer action in laboratory and animal studies. This article describes a clinical pilot study in which THC was injected directly into tumors in terminal brain cancer patients via catheter (tube) to assess feasibility and safety of the procedure. THC was safely administered with few side effects, did not worsen patients’ condition or survival, and showed possible cancer-suppressing properties. Although the authors believe their administration method did not get medicine adequately to all areas of these rather large tumors, they argue for further clinical trials of cannabinoids as anti-tumor therapies.

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