Jazz Pharmaceuticals Presents Late-Breaking Phase 4 Data Showcasing Xywav\u00ae (calcium, magnesium, potassium, and sodium oxyba

  • First presentation of the Phase 4 XYLO switch study reports blood pressure reductions in patients with narcolepsy when switching from twice-nightly high- to low-sodium oxybate Novel intermediate analysis from the DUET trial cohort of patients taking >9 grams evaluated safety and changes in daytime sleepiness in adults with narcolepsy taking Xywav dosages of 9-12 grams per night  For U.S. media and investors only DUBLIN , June 9, 2025 /PRNewswire/ -- Jazz Pharmaceuticals plc (Nasdaq: JAZZ) today announced late-breaking Phase 4 data evaluating treatment benefits of Xywav\u00ae (calcium, magnesium, potassium, and sodium oxybates) oral solution in people with narcolepsy. These results are two of Jazz's four late-breaking abstracts presented today as oral presentations at SLEEP 2025.