BETHESDA, Md. - An FDA advisory panel unanimously agreed that Cephalon Inc.'s wake-promoting agent, Provigil, is effective in treating excessive sleepiness associated with sleep apnea. And in a 6-2 vote, the panel said Cephalon's data supported the claim that Provigil is effective in the treatment of excessive sleepiness in patients with shift-worker sleep disorder. (BioWorld Today) Read More