Big Pharma Is in a Frenzy to Bring Cannabis-Based Medicines to Market

By Paul Armentano, AlterNet. Posted July 5, 2008.

The US government's longstanding denial of medical marijuana research and use is an irrational and morally bankrupt public policy. On this point, few Americans disagree. As for the question of "why" federal officials maintain this inflexible and inhumane policy, well that's another story

One of the more popular theories seeking to explain the Feds' seemingly inexplicable ban on medical pot goes like this: Neither the US government nor the pharmaceutical industry will allow for the use of medical marijuana because they can't patent it or profit from it.

It's an appealing theory, yet I've found it to be neither accurate nor persuasive. Here's why.

First, let me state the obvious. Big Pharma is busily applying for -- and has already received -- multiple patents for the medical properties of pot. These include patents for synthetic pot derivatives (such as the oral THC pill Marinol), cannabinoid agonists (synthetic agents that bind to the brain's endocannabinoid receptors) like HU-210 and cannabis antagonists such as Rimonabant. This trend was most recently summarized in the NIH paper (pdf), "The endocannabinoid system as an emerging target of pharmacotherapy," which concluded, "The growing interest in the underlying science has been matched by a growth in the number of cannabinoid drugs in pharmaceutical development from two in 1995 to 27 in 2004." In other words, at the same time the American Medical Association is proclaiming that pot has no medical value, Big Pharma is in a frenzy to bring dozens of new, cannabis-based medicines to market.

Not all of these medicines will be synthetic pills either. Most notably, GW Pharmaceutical's oral marijuana spray, Sativex, is a patented standardized dose of natural cannabis extracts. (The extracts, primarily THC and the non-psychoactive, anxiolytic compound CBD, are taken directly from marijuana plants grown at an undisclosed, company warehouse.)

Does Big Pharma's sudden and growing interest in the research and development of pot-based medicines mean that the industry is proactively supporting marijuana prohibition? Not if they know what's good for them. Let me explain.

First, any and all cannabis-based medicines must be granted approval from federal regulatory bodies such as the US Food and Drug Administration -- a process that remains as much based on politics as it is on scientific merit. Chances are that a government that is unreasonably hostile toward the marijuana plant will also be unreasonably hostile toward sanctioning cannabis-based pharmaceuticals.

A recent example of this may be found in the Medicine and Health Products Regulatory Agency's recent denial of Sativex as a prescription drug in the United Kingdom. (Sativex's parent company, GW Pharmaceuticals, is based in London.) In recent years, British politicians have taken an atypically hard-line against the recreational use of marijuana -- culminating in Prime Minister Gordon Brown's declaration that today's pot is now of "lethal quality." (Shortly thereafter, Parliament elected to stiffen criminal penalties on the possession of the drug from a verbal warning to up to five years in jail.) In such an environment is it any wonder that British regulators have steadfastly refused to legalize a pot-based medicine, even one with an impeccable safety record like Sativex? Conversely, Canadian health regulators -- who take a much more liberal view toward the use of natural cannabis and oversee its distribution to authorized patients -- recently approved Sativex as a prescription drug.

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Paul Armentano is the senior policy analyst for the NORML Foundation in Washington, DC.