Stand Up for Your Health: A Randomized Study
维护您的健康:一项随机研究
基本信息
- 批准号:10583412
- 负责人:
- 金额:$ 59.9万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-02-01 至 2028-01-31
- 项目状态:未结题
- 来源:
- 关键词:AddressAdoptedAdultAmerican Heart AssociationBed restBiologicalBlood VesselsBody WeightBody mass indexCOVID-19 pandemicCardiometabolic DiseaseCardiovascular DiseasesCardiovascular systemCategoriesCellular PhoneChronic DiseaseCoronary heart diseaseDataData ReportingDependenceDiabetes MellitusDiseaseDoseEndotheliumEnergy MetabolismEpidemicEpidemiologyEtiologyEventExclusionExerciseExpenditureFutureGoalsGrantGrowthGuidelinesHealthHomeHourHumanHydrolysisHypertriglyceridemiaImpairmentIncidenceInsulin ResistanceInterventionIntervention StudiesKnowledgeLinkLipoproteinsMeasurementMeasuresMediatingMedicalMendelian randomizationMeta-AnalysisMetabolicMetabolic syndromeMonitorNon-Insulin-Dependent Diabetes MellitusNonesterified Fatty AcidsObesityOccupationalOccupationsOverweightPersonsPhysical activityPilot ProjectsPrediabetes syndromeRandomizedRandomized Controlled Clinical TrialsRandomized, Controlled TrialsRecommendationResearchRiskRisk FactorsRisk ReductionSuperficial Femoral ArteryTherapeuticTimeTreatment EfficacyTriglyceride MetabolismTriglyceridesVascular EndotheliumWeightWorkWorkplacearmbrachial arterycardiometabolic riskcardiometabolismclinical efficacycoronary plaquedesigndiabetes riskdiabeticdisorder riskepidemiologic dataepidemiology studyimprovedin vivoinsightinsulin sensitivityinterestnovelobese personphysical inactivityprimary outcomepublic health interventionrandomized trialresilienceresponsesedentarysedentary lifestyletrend
项目摘要
Abstract: Sedentary behavior is becoming increasingly prevalent with the expansion of a ‘work from home’
culture, most recently driven by the COVID-19 pandemic. We now spend more time sitting than in all other
activities combined. This increased chair dependency, including a reduction in occupational energy expenditure
over the past 5 decades, has contributed to the epidemic of chronic disease, including metabolic syndrome,
cardiovascular disease, and type 2 diabetes mellitus (T2DM). Several studies, including a large meta-analysis
of 18 studies totaling 794,577 subjects, concluded that sedentary behavior mediates T2DM. The CDC predicts
that if current trends continue, as many as 1 in 3 U.S. adults could have diabetes by 2050. At present, 9% and
34% of U.S. adults have T2DM and prediabetes, respectively. Although we excluded diabetics in our pilot study,
11 of the 15 overweight or obese subjects were found to have some insulin resistance by HOMA-IR at baseline
(BMI positively correlates with the incidence of T2DM). In our pilot study of 15 subjects with sedentary office
jobs, 6 months of sit-stand desk use resulted in a 23% improvement in insulin resistance, most substantial in
those who decreased daily sitting by over 90 minutes/day. Additional improvements in vascular endothelial
function and triglyceride levels were seen without any change in exercise activity, step counts, or body weight.
These findings not only corroborate epidemiologic findings on this topic but suggest causality and warrant a
randomized control trial. This strategy of replacing sitting desks with a sit-stand desk has significant potential to
reduce cardiometabolic risk in the 70% of adults categorized as overweight or obese, the majority of whom have
insulin resistance. This intervention could have substantially strong impact, amplified by the COVID-19
pandemic, given nearly 80% of U.S. jobs are sedentary. We hypothesize that adult subjects at-risk for
diabetes will improve insulin sensitivity, metabolic and vascular (endothelial) health with a sit-stand desk
intervention at work (whether in the office or at home), in the context of a randomized, controlled trial.
We will randomize 198 sedentary office workers with a BMI≥25 at risk for T2DM in a 1:1:1 ratio of three groups:
(a) sit-stand desk intervention targeting 2 hours standing per day; (b) sit-stand desk intervention targeting 3 hours
standing per day; or (c) control arm over 6 months. Objective quantification of sitting and standing times will be
performed with sophisticated activity monitors and smartphone activity logs. We will ascertain if the sit-stand
desk improves insulin sensitivity and metabolic health and whether there is a dose-dependent relationship with
changes in sedentary time (Aim 1). We will determine if the intervention improves vascular endothelial function
locally (superficial femoral artery FMD) and/or systemically (assessing brachial artery FMD resilience) (Aim 2).
Sub-aims will assess changes in circulating triglycerides and free fatty acid levels and correlate with changes in
endothelial function. Affirmative findings would move the field forward by demonstrating that a readily adoptable
workplace intervention focused only on reducing sitting time alone, reduces cardiometabolic risk.
摘要:随着“在家工作”的扩大,久坐行为变得越来越普遍。
文化,最近由新冠肺炎大流行推动。我们现在坐着的时间比以往任何时候都多
活动加在一起。这增加了对椅子的依赖,包括减少了职业能源支出
在过去的50年里,它助长了包括代谢综合征在内的慢性疾病的流行,
心血管疾病和2型糖尿病(T2 DM)。几项研究,包括一项大型荟萃分析
在总计794,577名受试者的18项研究中,得出的结论是久坐行为与T2 DM有关。疾控中心预测
如果目前的趋势继续下去,到2050年,多达三分之一的美国成年人可能患有糖尿病。目前,9%和
34%的美国成年人分别患有2型糖尿病和糖尿病前期。尽管我们在初步研究中排除了糖尿病患者,
在15名超重或肥胖的受试者中,有11人在基线时通过HOMA-IR发现存在一定程度的胰岛素抵抗
(BMI与T2 DM的发病率呈正相关)。在我们对15名久坐办公室受试者的初步研究中
乔布斯表示,使用坐立式办公桌6个月后,胰岛素抵抗改善了23%,其中最显著的是
那些每天减少坐90分钟以上的人。血管内皮细胞的其他改善
功能和甘油三酯水平在运动活动、步数或体重没有任何变化。
这些发现不仅证实了关于这一主题的流行病学发现,而且提出了因果关系,并证明了
随机对照试验。这种将坐式办公桌替换为坐立式办公桌的战略具有巨大的潜力
降低70%被归类为超重或肥胖的成年人的心脏代谢风险,其中大多数人
胰岛素抵抗。这种干预可能产生非常强大的影响,新冠肺炎放大了这一影响
鉴于美国近80%的工作岗位都是久坐不动的,这是一场流行病。我们假设成年受试者有可能患上
糖尿病将改善胰岛素敏感性、代谢和血管(内皮)健康
在随机对照试验的背景下,在工作中(无论是在办公室还是在家里)进行干预。
我们将以1:1:1的比例将体重指数≥为25的久坐上班族随机分为三组:
(A)以每天站立2小时为目标的坐立办公桌干预;(B)以3小时为目标的坐立办公桌干预
每天站立;或(C)控制手臂超过6个月。坐姿和站立时间的客观量化将是
使用复杂的活动监视器和智能手机活动日志执行。我们会确定这个坐立式
Desk改善胰岛素敏感性和代谢健康以及是否存在剂量依赖关系
久坐时间的变化(目标1)。我们将确定干预是否改善了血管内皮功能
局部(股浅动脉FMD)和/或系统(评估肱动脉FMD弹性)(目标2)。
次级目标将评估循环甘油三酯和游离脂肪酸水平的变化,并与
内皮功能。肯定的调查结果将通过证明一种易于采用的
工作场所干预只注重减少独自坐着的时间,从而降低心脏代谢风险。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Jacquelyn P Kulinski其他文献
Jacquelyn P Kulinski的其他文献
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{{ truncateString('Jacquelyn P Kulinski', 18)}}的其他基金
Evaluating the Impact of Singing Interventions on Markers of Cardiovascular Health in Older Patients with Cardiovascular Disease
评估歌唱干预对老年心血管疾病患者心血管健康指标的影响
- 批准号:
10462121 - 财政年份:2019
- 资助金额:
$ 59.9万 - 项目类别:
Evaluating the Impact of Singing Interventions on Markers of Cardiovascular Health in Older Patients with Cardiovascular Disease
评估歌唱干预对老年心血管疾病患者心血管健康指标的影响
- 批准号:
10016830 - 财政年份:2019
- 资助金额:
$ 59.9万 - 项目类别:
Evaluating the Impact of Singing Interventions on Markers of Cardiovascular Health in Older Patients with Cardiovascular Disease
评估歌唱干预对老年心血管疾病患者心血管健康指标的影响
- 批准号:
10492727 - 财政年份:2019
- 资助金额:
$ 59.9万 - 项目类别:
Evaluating the Impact of Singing Interventions on Markers of Cardiovascular Health in Older Patients with Cardiovascular Disease
评估歌唱干预对老年心血管疾病患者心血管健康指标的影响
- 批准号:
10693212 - 财政年份:2019
- 资助金额:
$ 59.9万 - 项目类别:
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