0673 Effects Of Solriamfetol On Driving Performance In Participants With Excessive Daytime Sleepiness Associated With Obstructive Sleep Apnea

F. Vinckenbosch, J. Asin, N. De Vries, P. Vonk, C. Donjacour, G. Lammers, S. Overeem, H. Janssen, G. Wang, D. Chen, L. Carter, K. Zhou, A. Vermeeren, J. Ramaekers

Research output: Contribution to journalConference Abstract/Poster in journalAcademic

Abstract

Introduction Excessive daytime sleepiness (EDS) in patients with obstructive sleep apnea (OSA) is associated with an increased risk of driving accidents. Solriamfetol, a dopamine/norepinephrine reuptake inhibitor, is approved in the US (Sunosi®) for EDS associated with OSA (37.5-150 mg/day). This study evaluated solriamfetol’s effects on on-road driving performance in participants with EDS associated with OSA. Methods In each period of this randomized, double-blind, placebo-controlled, crossover study (NCT 02806895; EudraCT 2015-003930-28), driving performance during an on-road driving test was assessed at 2 hours and 6 hours postdose following 7 days of treatment with solriamfetol (150mg/day × 3, then 300mg/day × 4) or placebo. The primary endpoint—standard deviation of lateral position (SDLP), a measure of “weaving,” at 2 hours postdose—was compared between solriamfetol and placebo per time point using a repeated mixed-effects analysis of variance model. Results The study included 34 participants. Baseline characteristics reflected the broader OSA population (88% male; mean age=52 years; mean Epworth Sleepiness Scale score=14.4). SDLP at 2 hours postdose was statistically significantly lower following solriamfetol (least squares [LS] mean [standard error; SE], 18.83cm [0.63]) compared with placebo (19.92cm [0.63]): LS mean difference, -1.08cm; 95% confidence interval (CI), -1.85, -0.32; P=0.0062 (incomplete driving tests: solriamfetol, n=1; placebo, n=4), indicating better performance with solriamfetol. At 6 hours postdose, SDLP following solriamfetol (LS mean[SE], 19.24cm [0.63]) was statistically significantly lower compared with placebo (20.04cm [0.63]): LS mean difference, -0.80cm; 95% CI, -1.58, -0.03; P=0.0432 (incomplete driving tests: solriamfetol, n=3; placebo, n=7). Common adverse events (≥5%) with solriamfetol were headache, nausea, insomnia, dizziness, and agitation. Conclusion Solriamfetol (300mg/day) improved SDLP, an important measure of driving performance, at 2 and 6 hours in participants with EDS associated with OSA. Support Jazz Pharmaceuticals
Original languageEnglish
Pages (from-to)A257-A257
Number of pages1
JournalSleep
Volume43
Issue numberS1
DOIs
Publication statusPublished - Apr 2020
Event34th Annual Meeting of the Associated Professional Sleep Societies - Online, United States
Duration: 27 Aug 202030 Aug 2020

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