A nonintoxicating form of cannabidiol that chemists can make from inexpensive noncannabis ingredients can treat seizures just as effectively as herbal cannabidiol, according to recent research in rats.
The chemical structure of the synthetic cannabidiol (CBD), which has the name 8,9-dihydrocannabidiol (H2CBD), is similar to that of the CBD that occurs naturally in the plant Cannabis sativa.
Researchers at the University of California, Davis (UC Davis) and the University of Reading in the United Kingdom have shown that H2CBD can be just as effective as cannabis-derived CBD in treating rats with chemically-induced seizures.
In a Scientific Reports paper on the study, the investigators describe how both compounds reduced the severity and frequency of seizures to the same extent.
“[H2CBD is] a much safer drug than CBD with no abuse potential and doesn’t require the cultivation of hemp,” says lead study author Mark Mascal, who is a professor in the Department of Chemistry at UC Davis.
He and his colleagues explain that the use of cannabis as a “treatment of last resort for some cases of refractory epilepsy” was one of the most pressing medical arguments for legalizing marijuana.
Cannabis and CBD for treating epilepsy
Epilepsy is a general term for various brain conditions that give rise to seizures.
According to the most recent estimates from the Centers for Disease Control and Prevention (CDC), there were 3.4 million people, including 470,000 children, with epilepsy in the United States in 2015.
People have used cannabis to treat seizures for hundreds of years.
However, it was only just over 20 years ago that scientists discovered the endocannabinoid system, and how its interaction with cannabis compounds affected nerve cells in the brain.
Of the 100 or so cannabis compounds that interact with the endocannabinoid system, there are two major players: delta-9-tetrahydrocannabinol (THC) and its less intoxicating relative, CBD.
Because of the intoxicating effects of THC, medical research on the therapeutic use of the compounds has tended to concentrate on CBD, which does not “cause a high.”
The Food and Drug Administration (FDA) have approved an extract of herbal, or plant-derived, CBD for the treatment of certain seizure conditions.
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