Medical marijuana may have a potential role in oncology for treating anticipatory and refractory chemotherapy-induced nausea and vomiting, for treating refractory cancer pain, and as an antitumor agent, a new review concludes.

However, most of the evidence comes from small clinical trials and animal studies, many of which are outdated.

As a result, the authors call for more research and hesitate to recommend smoked marijuana as a first-line antiemetic.

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Veronica Hackethal, MD ~ Medscape.com ~