Therapeutic Potential

The Therapeutic Potential of Cannabis and Cannabinoids.

Cannabis-based medications have been a topic of intense study since the endogenous cannabinoid system was discovered two decades ago. In 2011, for the first time, a cannabis extract was approved for clinical use in Germany.

Cannabis-based medications exert their effects mainly through the activation of cannabinoid receptors (CB1 and CB2). More than 100 controlled clinical trials of cannabinoids or whole-plant preparations for various indications have been conducted since 1975. The findings of these trials have led to the approval of cannabis-based medicines (dronabinol, nabilone, and a cannabis extract [THC:CBD=1:1]) in several countries.

In Germany, a cannabis extract was approved in 2011 for the treatment of moderate to severe refractory spasticity in multiple sclerosis. It is commonly used off label for the treatment of anorexia, nausea, and neuropathic pain. Patients can also apply for government permission to buy medicinal cannabis flowers for self-treatment under medical supervision.

Therapeutic Potential

The most common side effects of cannabinoids are tiredness and dizziness (in more than 10% of patients), psychological effects, and dry mouth. Tolerance to these side effects nearly always develops within a short time.

Withdrawal symptoms are hardly ever a problem in the therapeutic setting. There is now clear evidence that cannabinoids are useful for the treatment of various medical conditions.

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Knowledge about the therapeutic potential of cannabis products has been greatly improved by a large number of clinical trials in recent years (1–5).

In October 2008, the German Medical Association, the National Association of Statutory Health Insurance Physicians, and the Drug Commission of the German Medical Association issued the following statement at a hearing of the Health Committee of the German Federal Parliament (Bundestag):

“The benefit of treatment with cannabinoids for a number of medical indications has been shown in controlled trials in which predominantly standardized and/or synthetic cannabinoid preparations were used. The use of such preparations may therefore be reasonable for patients in whom conventional treatment does not achieve adequate relief of symptoms such as spasticity, pain, nausea, vomiting, or loss of appetite”

The first cannabis-based medication was approved for use in Germany in 2011. In this article we present the current state of knowledge on the therapeutic application of cannabinoid medications.

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