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Change from baseline on the coprimary efficacy endpoints (modified intent-to-treat population). (A) Least squares (LS) mean change from baseline in Maintenance of Wakefulness Test sleep latency in minutes for all treatment groups and (B) LS mean change in Epworth Sleepiness Scale score for all treatment groups. *P < 0.05 and †P < 0.0001 versus placebo. ESS = Epworth Sleepiness Scale; MWT = Maintenance of Wakefulness Test.
