By Amy Maxmen
Legal hurdles to exploring marijuana’s medicinal properties might soon fall in the wake of the US Food and Drug Administration’s (FDA) first approval of a cannabis-derived drug.
On 25 June, the FDA announced its approval of Epidiolex — a treatment for epileptic seizures that is based on a cannabis compound called cannabidiol (CBD). The US Drug Enforcement Administration (DEA) has until 24 September to re-classify Epidiolex so that it’s legal for doctors across the country to prescribe it. Many researchers hope that the agency will re-classify CBD itself, instead of just Epidiolex, so that they can more easily study this non-psychedelic component of marijuana.
Now that the FDA has approved Epidiolex, “we have a clear recognition that this plant has more potential than people credited it for, and that has reverberations that are scientific as well as legal”, says Daniele Piomelli, director of a new centre for cannabis research at the University of California, Irvine. At the very least, he says, the DEA ought to grant researchers an exemption permitting them to study CBD — especially now that people consume it and other cannabis compounds, known as cannabinoids, in states where marijuana is legal. At this point, the limits on research seem irrational, he adds.
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