Welcome to the Center for Medicinal Cannabis Research

The purpose of the Center is to coordinate rigorous scientific studies to assess the safety and efficacy of cannabis and cannabis compounds for treating medical conditions. The CMCR is the result of Senate Bills SB 847 (Vasconcellos, 1999) and SB 295 (2003), passed by the State Legislature and signed into law by Governor Gray Davis. The legislation enabled a program overseeing objective, high quality medical research that will "enhance understanding of the efficacy and adverse effects of marijuana as a pharmacological agent."



New Medical Marijuana Laws to Tackle Drugged Driving (DUID)

Press Release, Mojave Desert News, October 17, 2015

SACRAMENTO - Today, Governor Brown signed a historic package of laws which will provide statewide rules regulating medical marijuana. As former CHP officer and joint author of the package, Assemblyman Tom Lackey (R-Palmdale) was focused addressing the proliferation of drugged driving (DUID) which has increased dramatically in states with legalized recreational marijuana.

The new laws commission research by the University of California, San Diego which will lay the groundwork for new marijuana-specific field sobriety tests and other tools to detect high drivers.

“California has not had a statewide strategy for curbing drugged driving (DUID). Today that begins to change as the University of California will begin critical research on marijuana-impaired driving which will lead to better roadside tools for law enforcement,” said Lackey. “A recent report on Colorado showed nearly 1 out of 5 car crash deaths in 2014 were marijuana-related. With legalization initiatives looming, it’s vital we prepare for how to keep our roads safe for all Californians. I am thankful Governor Brown worked with us to address this public safety hazard head on.”


New UCSD study using cannabis to treat lower back pain

Dr. Barth Wilsey Dr. Thomas Marcotte

September 1, 2015

A new UCSD study, to be conducted by Drs. Barth Wilsey and Thomas Marcotte, was recently funded by the National Institute on Drug Abuse (NIDA) to examine the efficacy of cannabis for the treatment of neuropathic lower back pain. This will be the first study to compare the efficacy of vaporized herbal cannabis and oral delta-9-THC, a synthetic version of the primary active ingredient in cannabis.  At home, study participants will consume either oral Δ9-THC (dronabinol), vaporized 3.5% Δ9-THC, or placebo for eight weeks and complete pain rating scales, side effect rating scales, and cognitive testing. A subset of participants will also complete a driving simulator assessment to evaluate the effects of cannabis on driving skills over the course of an entire day.

Additional information about this study can be found in our Research Studies section.


Igor Grant, MD, FRCP(C) American Association for the Advancement of Science Annual Meeting

McGill University Health Centre - Research Institute
(February 2015)

Igor Grant, MD

41st Annual Summer Clinical Institute in Addiction Studies;
La Jolla, CA (June 2012)

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