Table 1.

Medications that reduce sleepiness and cataplexy in narcolepsy

HumanDogMouse
Antidepressants (e.g. venlafaxine, clomipramine)↓Cataplexy↓Cataplexy↓Cataplexy
Stimulants (e.g. methylphenidate, modafinil)↓Sleepiness↓Sleepiness↓Sleepiness
Gamma-hydroxybutyrate (e.g. sodium oxybate)↓SleepinessNDND
↓Cataplexy
Histamine H3 receptor inverse agonist (e.g. tiprolisant)↓SleepinessND↓Sleepiness
↓Cataplexy
Orexin-A*ND↓Sleepiness↓Sleepiness
↓Cataplexy↓Cataplexy
  • ND, Not determined.

  • *Given intracerebroventricularly or intravenously. Downward-pointing arrows indicate that the symptoms were reduced (Babcock et al., 1976; Schachter and Parkes, 1980; Shelton et al., 1995; Scammell and Matheson, 1998; Fujiki et al., 2003; Willie et al., 2003, 2005; Mieda et al., 2004; Lin et al., 2008; Golicki et al., 2010; Lammers et al., 2010).