Abstract:
BACKGROUND:Excessive sleepiness (ES) is a common symptom of OSA, which often persists despite primary OSA therapy. This phase III randomized withdrawal trial evaluated solriamfetol (JZP-110) for the treatment of ES in adults with OSA. METHODS:After 2 weeks of clinical titration (n = 174) and 2 weeks of stable dose administration (n = 148), participants who reported improvement on the Patient Global Impression of Change (PGI-C) and had numerical improvements on the Maintenance of Wakefulness Test (MWT) and Epworth Sleepiness Scale (ESS) were randomly assigned to placebo (n = 62) or solriamfetol (n = 62) for 2 additional weeks. Coprimary end points were change from weeks 4 to 6 in MWT and ESS. RESULTS:In the modified intention-to-treat population (n = 122), MWT mean sleep latencies and ESS scores improved from baseline to week 4 (from 12.3-13.1 to 29.0-31.7 minutes and from 15.3-16.0 to 5.9-6.4, respectively). From weeks 4 to 6, participants treated with solriamfetol maintained improvements (least squares [LS] mean [SE] changes of -1.0 [1.4] minutes on MWT and -0.1 [0.7] on ESS), whereas participants treated with placebo worsened (LS mean [SE] change of -12.1 [1.3] minutes on MWT and 4.5 [0.7] on ESS); LS mean differences between treatments were 11.2 minutes (95% CI, 7.8-14.6) and -4.6 (95% CI, -6.4 to -2.8) on MWT and ESS, respectively. Fewer participants treated with solriamfetol reported worsening on the PGI-C from weeks 4 to 6 (20% vs 50%; P = .0005). Common adverse events included headache, dry mouth, nausea, dizziness, and insomnia. CONCLUSIONS:This study demonstrated maintenance of solriamfetol efficacy and safety over 6 weeks. TRIAL REGISTRY:ClinicalTrials.gov; No.: NCT02348619; URL: www.clinicaltrials.gov; EudraCT No.: 2014-005515-16.
journal_name
Chestjournal_title
Chestauthors
Strollo PJ Jr,Hedner J,Collop N,Lorch DG Jr,Chen D,Carter LP,Lu Y,Lee L,Black J,Pépin JL,Redline S,Tones 4 Study Investigators.doi
10.1016/j.chest.2018.11.005subject
Has Abstractpub_date
2019-02-01 00:00:00pages
364-374issue
2eissn
0012-3692issn
1931-3543pii
S0012-3692(18)32732-6journal_volume
155pub_type
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