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Consumption of a soy drink has no effect on cognitive function but may alleviate vasomotor symptoms in post-menopausal women; a randomised trial.

ABSTRACT: PURPOSE:Cognitive decline is commonly reported during the menopausal transition, with memory and attention being particularly affected. The aim of this study was to investigate the effects of a commercially available soy drink on cognitive function and menopausal symptoms in post-menopausal women. METHODS:101 post-menopausal women, aged 44-63 years, were randomly assigned to consume a volume of soy drink providing a low (10 mg/day; control group), medium (35 mg/day), or high (60 mg/day) dose of isoflavones for 12 weeks. Cognitive function (spatial working memory, spatial span, pattern recognition memory, 5-choice reaction time, and match to sample visual search) was assessed using CANTAB pre- and post-the 12 week intervention. Menopausal symptoms were assessed using Greene's Climacteric Scale. RESULTS:No significant differences were observed between the groups for any of the cognitive function outcomes measured. Soy drink consumption had no effect on menopausal symptoms overall; however, when women were stratified according to the severity of vasomotor symptoms (VMS) at baseline, women with more severe symptoms at baseline in the medium group had a significant reduction (P?=?0.001) in VMS post-intervention (mean change from baseline score: -?2.15?±?1.73) in comparison to those with less severe VMS (mean change from baseline score: 0.06?±?1.21). CONCLUSIONS:Soy drink consumption had no effect on cognitive function in post-menopausal women. Consumption of ~?350 ml/day (35 mg IFs) for 12 weeks significantly reduced VMS in those with more severe symptoms at baseline. This finding is clinically relevant as soy drinks may provide an alternative, natural, treatment for alleviating VMS, highly prevalent among western women.

SUBMITTER: Furlong ON

PROVIDER: S-EPMC7058672 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Consumption of a soy drink has no effect on cognitive function but may alleviate vasomotor symptoms in post-menopausal women; a randomised trial.

Furlong Orlaith N ON Parr Heather J HJ Hodge Stephanie J SJ Slevin Mary M MM Simpson Ellen E EE McSorley Emeir M EM McCormack Jacqueline M JM Magee Pamela J PJ

European journal of nutrition 20190312 2

<h4>Purpose</h4>Cognitive decline is commonly reported during the menopausal transition, with memory and attention being particularly affected. The aim of this study was to investigate the effects of a commercially available soy drink on cognitive function and menopausal symptoms in post-menopausal women.<h4>Methods</h4>101 post-menopausal women, aged 44-63 years, were randomly assigned to consume a volume of soy drink providing a low (10 mg/day; control group), medium (35 mg/day), or high (60 m ...[more]

PMID: 30863894

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Project description:Menopause is a critical stage in every woman's life. It can cause a distressing time for women by creating various vasomotor symptoms (VMS). Phytoestrogens can potentially exert various favourable effects and alleviate VMS in postmenopausal women. The hop (Humulus lupulus L.) contains 8-prenylnaringenin (8-PN), the most potent phytoestrogen known to date. The hop is eight times stronger than any other herbal oestrogens. This study aims to conduct a comprehensive systematic review and a meta-analysis survey of the effects of hop in the management of VMS in postmenopausal women.Only randomised controlled clinical trials, with cluster randomisation and crossover, blinded and non-blinded designs, conducted between 2000 and 2015, will be included in this review. Quasi-experimental and observational studies as well as case reports will be excluded. The studies will be selected if their participants were aged 40-60 years, had elevated follicle-stimulating hormone (FSH) levels and/or menstrual irregularities, and experienced discomforting VMS (at least hot flashes or night sweats). The primary outcome will be the rate of response to treatment, such as changes in frequency and intensity of symptoms in the intervention and placebo groups. 'Hop', 'Humulus', 'menopause', 'vasomotor', 'hot flashes', 'phytoestrogen' and 'night sweats' will be used as search key words. Prior to their inclusion in the review, the selected papers will be assessed by two independent reviewers for methodological validity. Any disagreements will be resolved through a third reviewer. The risk of bias will be independently determined using the Cochrane Risk of Bias Tool. The quality of the papers will be assessed based on the CONSORT checklist.Results will be disseminated through traditional academic literature. Dissemination of results will occur by peer-reviewed publications. The results of our project can help reproductive health researchers when evaluating the discomforts of research procedures described in study protocols or when designing a study. Information on experiences of menopausal women involved in previous studies may also help in future research. The expected dissemination actions are effective treatment in designing strategies that aim to develop women's health and healthcare providers when offering treatment for women with vasomotor symptoms.

Project description:BackgroundMenopausal vasomotor symptoms (ie, hot flashes and night sweats) have been associated with unfavorable risk factors and surrogate markers of cardiovascular disease, but their association with clinical cardiovascular disease events is unclear.ObjectiveTo examine the associations between different components of vasomotor symptoms, timing of vasomotor symptoms, and risk of cardiovascular disease.Study designWe harmonized and pooled individual-level data from 23,365 women in 6 prospective studies that contributed to the International Collaboration for a Life Course Approach to Women's Reproductive Health and Chronic Disease Events consortium. Women who experienced cardiovascular disease events before baseline were excluded. The associations between frequency (never, rarely, sometimes, and often), severity (never, mild, moderate, and severe), and timing (before or after age of menopause; ie, early or late onset) of vasomotor symptoms and incident cardiovascular disease were analyzed. Cox proportional hazards models were used to estimate hazard ratios and 95% confidence intervals.ResultsIn the adjusted model, no evidence of association was found between the frequency of hot flashes and incident cardiovascular disease, whereas women who reported night sweats "sometimes" (hazard ratio, 1.22; 95% confidence interval, 1.02-1.45) or "often" (hazard ratio, 1.29; 95% confidence interval, 1.05-1.58) had higher risk for cardiovascular disease. Increased severity of either hot flashes or night sweats was associated with higher risk of cardiovascular disease. The hazards ratios of cardiovascular disease in women with severe hot flashes, night sweats, and any vasomotor symptoms were 1.83 (95% confidence interval, 1.22-2.73), 1.59 (95% confidence interval, 1.07-2.37), and 2.11 (95% confidence interval, 1.62-2.76), respectively. Women who reported severity of both hot flashes and night sweats had a higher risk for cardiovascular disease (hazard ratio, 1.55; 95% confidence interval, 1.24-1.94) than those with hot flashes alone (hazard ratio, 1.33; 95% confidence interval, 0.94-1.88) and night sweats alone (hazard ratio, 1.32; 95% confidence interval, 0.84-2.07). Women with either early-onset (hazard ratio, 1.38; 95% confidence interval, 1.10-1.75) or late-onset (hazard ratio, 1.69; 95% confidence interval, 1.32-2.16) vasomotor symptoms had an increased risk for incident cardiovascular disease compared with women who did not experience vasomotor symptoms.ConclusionSeverity rather than frequency of vasomotor symptoms (hot flashes and night sweats) was associated with increased risk of cardiovascular disease. Vasomotor symptoms with onset before or after menopause were also associated with increased risk of cardiovascular disease.

Project description:BackgroundWomen commonly seek medical advice about menopausal symptoms. Although menopausal hormone therapy is the most effective treatment, many women prefer non-pharmacological treatments, such as physical activity. The effectiveness of physical activity has been inconclusive when assessed by randomised controlled trials, and it remains unclear how women feel about it as a possible treatment approach. The aim of the study was to explore symptomatic menopausal women's views and experiences of physical activity as a treatment for vasomotor and other menopausal symptoms.MethodsAn in-depth qualitative study was embedded within a randomised controlled trial that assessed the effectiveness of physical activity as a treatment for vasomotor menopausal symptoms in previously inactive vasomotor symptomatic women. Participants were randomised to one of two physical activity interventions or a usual care group. Both physical activity interventions involved two one-to-one consultations, plus either supporting materials or access to physical activity support groups, over 6 months. Semi-structured interviews were conducted with 17 purposively selected participants from all three trial groups after they had completed trial follow-up. Interviews were audio recorded, transcribed verbatim, and analysed by constant comparison.ResultsAll participants talked positively about physical activity as a treatment for their menopausal symptoms, with most reporting participation had improved their hot flushes and night sweats. They reported that they had experienced improved sleep, physical health and psychological well-being. Those who received the physical activity plus social-support intervention reported their ability to cope with their menopausal symptoms had improved. Many participants commented that they would prefer doctors to discuss physical activity as a possible treatment for their hot flushes and night sweats, before offering medication.ConclusionsBased on the views and experiences of the women who participated in this study, healthcare professionals should continue discussing physical activity as a potential first treatment option with menopausal women. Furthermore, healthcare professionals should ensure they prepare, support, and encourage these women both physically and emotionally.Trial registrationISRCTN ISRCTN06495625 Registered 10/11/2010.

Dataset Information

Consumption of a soy drink has no effect on cognitive function but may alleviate vasomotor symptoms in post-menopausal women; a randomised trial.

Publications

Consumption of a soy drink has no effect on cognitive function but may alleviate vasomotor symptoms in post-menopausal women; a randomised trial.

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