Dataset Information

Low-dose paroxetine (7.5 mg) improves sleep in women with vasomotor symptoms associated with menopause.

ABSTRACT: Sleep disturbances are common among women in midlife; prevalence increases among perimenopausal/postmenopausal women with vasomotor symptoms. Paroxetine 7.5 mg is the only nonhormonal treatment that has been approved in the United States for moderate to severe vasomotor symptoms associated with menopause. In two pivotal phase 3 studies evaluating its efficacy and safety, improvements in sleep disturbances were also prospectively evaluated.Postmenopausal women with moderate to severe vasomotor symptoms were randomly assigned to paroxetine 7.5 mg (n = 591) or placebo (n = 593) once daily for 12 weeks (both studies) or 24 weeks (24-wk study). Predefined assessments on weeks 4, 12, and 24 included number of nighttime awakenings attributed to vasomotor symptoms, sleep-onset latency, sleep duration, and sleep-related adverse events. The two studies' data for weeks 1 to 12 were pooled.At baseline, participants reported a mean of 3.6 awakenings/night attributed to vasomotor symptoms. Nighttime awakenings attributed to vasomotor symptoms were significantly reduced within 4 weeks of initiating paroxetine 7.5 mg treatment (39% reduction vs 28% for placebo; P = 0.0049), and reductions were sustained through 12 or 24 weeks of treatment. Paroxetine 7.5 mg treatment also significantly increased nighttime sleep duration (week 4, +31 vs +16 min for placebo; P = 0.0075), but no significant between-group differences in sleep-onset latency or sleep-related adverse events such as sedation were observed.In postmenopausal women treated for menopausal vasomotor symptoms, paroxetine 7.5 mg significantly reduces the number of nighttime awakenings attributed to vasomotor symptoms and increases sleep duration without differentially affecting sleep-onset latency or sedation.

SUBMITTER: Pinkerton JV

PROVIDER: S-EPMC4274337 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature

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Low-dose paroxetine (7.5 mg) improves sleep in women with vasomotor symptoms associated with menopause.

Pinkerton JoAnn V JV Joffe Hadine H Kazempour Kazem K Mekonnen Hana H Bhaskar Sailaja S Lippman Joel J

Menopause (New York, N.Y.) 20150101 1

<h4>Objective</h4>Sleep disturbances are common among women in midlife; prevalence increases among perimenopausal/postmenopausal women with vasomotor symptoms. Paroxetine 7.5 mg is the only nonhormonal treatment that has been approved in the United States for moderate to severe vasomotor symptoms associated with menopause. In two pivotal phase 3 studies evaluating its efficacy and safety, improvements in sleep disturbances were also prospectively evaluated.<h4>Methods</h4>Postmenopausal women wi ...[more]

PMID: 25137243

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Project description:Abstract Difficulty sleeping is a common complaint of postmenopausal women. In the REPLENISH trial, the oral 17β-estradiol/progesterone (E2/P4) softgel capsule (TX-001HR; 1 mg E2/100 mg P4 FDA approved as BIJUVATM; TherapeuticsMD, Boca Raton, FL), was shown to reduce moderate to severe hot flush frequency and severity and improve quality of life outcomes in menopausal women with a uterus, while protecting the endometrium. In this analysis, the effect of the E2/P4 capsules on “difficulty sleeping” in postmenopausal women experiencing hot flushes, was assessed by the menopause-specific quality of life (MENQOL) questionnaire and also analyzed by age. The phase 3 REPLENISH trial (NCT01942668), evaluated 4 daily doses of E2/P4 capsules in postmenopausal women (40-65 years, intact uterus) with vasomotor symptoms (VMS). Women with moderate to severe hot flushes (≥7/day or ≥50/week) were randomized to E2/P4 (mg/mg) 1/100, 0.5/100, 0.5/50, 0.25/50, or placebo (VMS substudy); women with fewer/less severe VMS were randomized to active E2/P4 doses only for endometrial safety. MENQOL was administered at baseline, week 12, and months 6 and 12. The “difficulty sleeping” item was rated using a 7-item Likert scale ranging from “Not at all bothered” (analysis score of 2) to “Extremely bothered” (analysis score of 8) if difficulty sleeping was experienced, if not experienced, the score for the analysis was set to 1. Changes from baseline to week 12, and months 6 and 12 in all women (MITT population) were analyzed by ANCOVA between each E2/P4 groups vs placebo and stratified by age (pre-specified FDA subgroup; <55 and 55+). Treatment groups in the MITT population (n=1833) were E2/P4 1/100 (n=416), 0.5/100 (n=422), 0.5/50 (n=421), 0.25/50 (n=423) or placebo (n=151). The MITT population had a mean age of 55 years; in the <55-year group (n=927) mean age was 51.2 years and in the ≥55-year group (n=906) mean age was 58.1 years. Mean baseline scores for the “difficulty sleeping” item ranged from 5.1 to 5.8 points. In the MITT population, difficulty sleeping significantly improved from baseline with the three highest E2/P4 doses (1/100, 0.5/100, 0.5/50) compared with placebo at all timepoints (all, P<0.05), except for 0.5/50 at month 6. In women <55 years, the sleep difficulty item significantly improved from baseline at all timepoints with two E2/P4 doses (1/100 and 0.5/50) vs placebo. In women 55+ years, significant improvements from baseline were observed at week 12 with three E2/P4 doses (1/100, 0.5/100, 0.5/50) vs placebo. In REPLENISH, women treated with E2/P4 capsules containing 1 or 0.5 mg E2 demonstrated significant and sustained improvements in the MENQOL difficulty sleeping assessment, especially those <55 years. These data warrant further evaluation.

Dataset Information

Low-dose paroxetine (7.5 mg) improves sleep in women with vasomotor symptoms associated with menopause.

Publications

Low-dose paroxetine (7.5 mg) improves sleep in women with vasomotor symptoms associated with menopause.

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