Jazz Pharmaceuticals Announces Promising Phase 4 Data for Xywav® in Treating Narcolepsy and Idiopathic Hypersomnia at World Sleep and Psych Congresses

Reuters
2025.09.22 11:45
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Jazz Pharmaceuticals plc announced promising Phase 4 data for Xywav® in treating narcolepsy and idiopathic hypersomnia. The findings, presented at World Sleep 2025 and the 38th annual Psych Congress, demonstrated the treatment's effectiveness in reducing excessive daytime sleepiness and improving sleep measures, including fewer awakenings and decreased wake after sleep onset. The data was derived from the DUET trial, a prospective, single-arm, open-label study.