---<br /> <br /> April 19 (Bloomberg) -- GW Pharmaceuticals Plc, a U.K. company developing <br /> cannabis-based drugs, said it won Canadian approval to market its Sativex <br /> spray for pain related to multiple sclerosis. Shares jumped as much as 14 <br /> percent.<br /> <br /> Health Canada is the first regulatory agency to approve Sativex, Salisbury, <br /> England-based GW Pharmaceuticals said in a Regulatory News Service <br /> statement. GW and its marketing partner, Bayer AG, expect to introduce the <br /> product in Canada in late spring, the company said.<br /> <br /> Sativex is derived from two principle compounds found in the cannabis <br /> plant, cannabidiol and Delta-9 Tetrahydrocannabinol, or THC, a psychoactive <br /> ingredient.<br /> <br /> GW Pharmaceuticals shares rose 13 pence, or 11 percent, to 134 pence as of <br /> 12:12 p.m. in London, after rising as high as 138.5 pence.<br /> <br /> <br />Aurora Indica |  B52 |  Big Bud |  California Orange Bud |  Citral |  Four Way |  Haze |  Hindu Kush |  Indoor Mix |  Jock Horror |  K2 |  Maroc x Afghan |  Northern Light x Big Bud |  Northern Light x Haze |  Northern Light x Shiva |  Shiva |  Skunk #1 |  Skunk Red Hair |  Skunk Special |  Papaya |  White Rhino |  Haze 19 x Skunk |  Afghan |  Master Kush |  Northern Light |  Super Skunk |  Top 44 |  Durban Poison |  Early Bud |  Early Girl |  Early Misty |  Early Special |  Hawaii x Maui Waui |  Hawaii x Skunk #1 |  Hollands Hope |  KC 33 x Master Kush |  Mixed Sativa |  New Purple Power |  Swazi |  Swiss Miss |  Northern Bright |  Snow White (fem.) |  Supergirl |  Venus |  Wonder Woman |  Kaya |  PPP (fem.) |  Medusa |  Blue Mystic |  Chrystal |  Ice |  Misty |  PPP |  White Widow |  Nirvana Special |  White Rhino |  Snow White |  AK-48 |  Bubblelicious |  Silver Pearl |  Haze |  Jock Horror |  Northern Light x Haze |  White Rhino |  Haze 19 x Skunk |