Clinical Studies with Cannabis and Cannabinoids, 2005-2009

Cannabinoid research
By on February 26, 2014

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The medical literature is increasingly replete with peer-reviewed studies establishing the benefits of cannabis-based products in treating various diseases

A growing number of clinical studies indicate that cannabis or single cannabinoids may have medicinal value for certain diseases and under certain conditions.

Between 1975 and the present, at least 110 controlled clinical studies have been published, assessing well over 6,100 patients suffering from a wide range of illnesses. The mechanisms of action are becoming increasingly clear since the discovery of the endocannabinoid system and its physiological functions.

In 2006, the Canadian researcher Ben Amar published a review discussing the results of clinical trials performed with cannabis and cannabinoids between 1975 and June 2005. We have applied Ben Amar’s methodology to the period that followed—July 1, 2005 to August 1, 2009.

A systematic search was performed in the scientific database of PubMed, which is hosted by the U.S. National Library of Medicine. This database contains about 20 million scientific publications from the field of life sciences and biomedical information. The search focused on clinical studies that were randomized, (double) blinded, and placebo-controlled.

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