The UK's GW Pharmaceuticals has announced its long-awaited marketing agreement for its cannabis-based painkiller, revealing that Bayer AG has licensed exclusive commercialization rights to the drug in the UK and an option to negotiate for similar deals in the European Union and certain other world markets. GW has also announced that the product, a whole-plant medicinal cannabis extract containing tetranabinex (tetrahydrocannabinol) and nabidiolex (cannabidiol), will be sold under the Sativex trade name.
The firm filed for approval of Sativex in the UK in March as a treatment for the debilitating symptoms of multiple sclerosis and severe neuropathic pain. The medicine is administered by means of a spray into the mouth, and is also being developed in Phase III trials as a treatment for cancer pain.
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