* Ligand Pharmaceuticals Inc., of San Diego, launchedthe sale of Photofrin, a light-activated drug, in Canada foresophageal cancer and superficial bladder cancer. Thecompany licensed the product from QLTPhotoTherapeutics Inc., of Vancouver, Canada. Photofrinis Ligand's second drug on the market in Canada. Thefirst was Proleukin, which is made by Emeryville, Calif.-based Chiron Corp.
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