Objectives: Sleep disturbances are common in patients with gastroesophageal reflux disease (GERD). This study examined the effects of esomeprazole on nighttime heartburn, GERD-related sleep disturbances, sleep quality, work productivity, and regular activities.
Methods: This multicenter, randomized, double-blind, placebo-controlled trial included adults with GERD-associated sleep disturbances and moderate-to-severe nighttime heartburn (recorded by patient diary during screening). Patients received oral esomeprazole 40 mg (n = 220) or 20 mg (n = 226) or placebo (n = 229) once daily for 4 wk. The primary outcome was relief of nighttime heartburn. Secondary outcomes included resolution of sleep disturbances, sleep quality measured by the Pittsburgh Sleep Quality Index (PSQI) questionnaire, and work productivity measured by the Work Productivity and Activity Impairment Questionnaire.
Results: Nighttime heartburn was relieved in 53.1% (111/209), 50.5% (111/220), and 12.7% (28/221) of patients who received esomeprazole 40 mg, esomeprazole 20 mg, and placebo, respectively. Differences (95% CI) versus placebo were 40.5% (32.4%, 48.5%) and 37.8% (29.9%, 45.7%) and were highly significant (p < 0.0001). GERD-related sleep disturbances resolved in significantly more (p < 0.0001) patients who received esomeprazole 40 (73.7%) or 20 mg (73.2%) than in those who received placebo (41.2%). Both esomeprazole groups had greater PSQI global score changes from baseline (p < 0.0001 vs placebo) and more (p < 0.0001 vs placebo) work hours saved per week per patient compared with baseline (esomeprazole 40 mg, 11.6 h; esomeprazole 20 mg, 12.3 h; placebo, 6.2 h).
Conclusions: Esomeprazole reduced nighttime heartburn and GERD-related sleep disturbances and improved sleep quality and work productivity.