Orexin-/- narcolepsy mouse: fewer narcoleptic attacks and shorter total narcolepsy duration
“In addition to enhanced wakefulness, pitolisant decreased the number of narcoleptic attacks and a reduced the total duration of narcolepsy when administered in the narcolepsy mouse model (Orexin-/-).”
✓ VerifiedFDA pharmacology/toxicology review, p. 11Source ↗
Why that model
Not stated in public reviews
Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Reviewer's view of the efficacy data
CHMP: wake-promotion in wild-type and orexin KO mice and cats supports proof-of-concept for narcolepsy
“In vivo studies in wild-type and orexin KO mice, and in cats showed that pitolisant increased the duration of waking at the expense of SWS and PS with corroborating EEG changes at ≥10 mg/kg (p.o.), thereby supporting a proof-of-concept for its use in narcoleptic patients.”