Bisphosphonate Use to Mitigate Bone Loss Secondary to Bariatric Surgery
使用双膦酸盐减轻减肥手术继发的骨质流失
基本信息
- 批准号:10440068
- 负责人:
- 金额:$ 66.08万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-05-20 至 2027-04-30
- 项目状态:未结题
- 来源:
- 关键词:AgeAgreementAmericanAnimal ModelAreaBariatricsBiologicalBiological MarkersBody Weight decreasedBone DensityBone ResorptionCellsClinicalClinical ManagementClinical PathologyComplementCyclophosphamideDataDistalDual-Energy X-Ray AbsorptiometryEffectiveness of InterventionsEtiologyFatty acid glycerol estersFractureGDF8 geneGastrectomyHealth BenefitHip region structureHumanInfiltrationInterventionIntervention TrialKnowledgeMeasuresMetabolicMonitorMorbid ObesityMuscleMuscular AtrophyMusculoskeletalNeckObesityOperative Surgical ProceduresOralOsteoclastsOutcomeParticipantPatientsPhysical FunctionPhysical PerformancePlacebosPositioning AttributeProceduresPublic HealthRadialRandomizedReportingRisedronateSecondary toSignal TransductionSiteSkeletonSocietiesSuggestionTNFSF11 geneTask PerformancesTestingThickThinnessTransforming Growth Factor betaUnited StatesVertebral columnWalkingX-Ray Computed Tomographyanimal databariatric surgerybioimagingbisphosphonatebonebone lossbone turnoverclinical practicecomorbiditydensitydesignfracture riskfragility fracturegastrointestinalhigh riskinsightmiddle agemouse modelnovelosteoporosis with pathological fracturepreservationprimary outcomeprospectiveskeletaltherapy designtreatment grouptrial designworking group
项目摘要
PROJECT SUMMARY
Despite well recognized improvements in obesity-related comorbidities, mounting evidence implicates sleeve
gastrectomy (SG) in the onset of skeletal fragility. Bisphosphonate therapy reduces osteoporotic fracture risk
and may also be effective in minimizing bone loss associated with SG. Once-monthly oral risedronate is a
commonly prescribed bisphosphonate with a favorable gastrointestinal profile that acts by inhibiting the activity
of osteoclast cells, thereby decreasing the rate of bone resorption. Because SG is associated with a significant
increase in bone resorption, we hypothesize that risedronate use will counter bone loss in this clinical scenario,
ultimately reducing long-term fracture risk. Indeed, pilot data from our group signal that six months of risedronate
use is both feasible and likely effective at reducing bone resorption and bone mineral density (BMD) loss post-
SG as compared to placebo. Intriguingly, we also observe a signal for appendicular lean mass preservation with
risedronate use. This novel finding aligns with data from animal models of clinical pathology and limited
observational data in humans, suggestive of a bisphosphonate-induced lean-mass sparing effect. If true,
confirmatory data from a definitively designed trial is poised to influence clinical management of the SG patient,
while also providing a platform upon which to interrogate mechanisms of bone-muscle crosstalk. To fill these
knowledge gaps, the main objective of the proposed study is to definitively test whether risedronate use can
effectively counter SG associated bone loss. To do this, we propose to randomize 120 middle-aged and older
(≥40 years) SG patients to six months of risedronate or placebo treatment, with bone and muscle outcomes
assessed at baseline, six, and 12 months. Due to its robust change following SG and clinical utility in predicting
fracture, our primary outcome is change in total hip areal (a)BMD measured by dual energy x-ray absorptiometry
(DXA). This will be complemented by DXA-acquired aBMD assessment at other skeletal sites and appendicular
lean mass, as well as quantitative computed tomography (QCT) derived changes in bone (volumetric BMD,
cortical thickness, and strength) and muscle (cross sectional area, fat infiltration) at the hip and spine — allowing
for novel assessment of intervention effectiveness on several state of the art bioimaging metrics — as well as
select physical function tasks. Biomarkers of bone turnover and bone-muscle crosstalk will also be assessed in
a tertiary aim, providing mechanistic insight into intervention-related changes to the bone-muscle unit. Definitive
data has the potential to shift current clinical practice while also offering insight into underlying biologic
mechanisms.
项目概要
尽管肥胖相关合并症的改善已得到公认,但越来越多的证据表明袖子
骨骼脆性发作时进行胃切除术(SG)。双磷酸盐治疗可降低骨质疏松性骨折风险
也可能有效减少与 SG 相关的骨质流失。每月一次口服利塞膦酸盐是
常用的双膦酸盐具有良好的胃肠道特性,通过抑制活性发挥作用
破骨细胞,从而降低骨吸收率。因为 SG 与一个重要的
骨吸收增加,我们假设在这种临床情况下使用利塞膦酸盐将抵消骨丢失,
最终降低长期骨折风险。事实上,我们小组的试点数据表明,六个月的利塞膦酸盐
使用在减少骨吸收和骨矿物质密度(BMD)损失方面既可行又可能有效。
SG 与安慰剂相比。有趣的是,我们还观察到保存阑尾瘦肉块的信号
利塞膦酸盐的使用。这一新发现与临床病理学动物模型的数据一致,并且有限
人类观察数据表明双膦酸盐诱导的瘦体重保留效应。如果属实的话,
来自最终设计的试验的验证性数据将影响 SG 患者的临床管理,
同时还提供了一个询问骨-肌肉串扰机制的平台。来填充这些
由于知识差距,拟议研究的主要目的是明确测试利塞膦酸盐的使用是否可以
有效对抗 SG 相关的骨质流失。为此,我们建议将 120 名中老年人随机分组
(≥40 岁)SG 患者接受六个月的利塞膦酸盐或安慰剂治疗,具有骨骼和肌肉结果
在基线、6 个月和 12 个月时进行评估。由于其在 SG 后的强劲变化以及预测的临床实用性
骨折,我们的主要结果是通过双能 X 射线骨密度测定法测量的髋部总面积 (a)BMD 的变化
(DXA)。这将通过 DXA 获得的其他骨骼部位和阑尾的 aBMD 评估来补充
瘦体重以及定量计算机断层扫描 (QCT) 衍生的骨变化(体积 BMD、
皮质厚度和强度)以及臀部和脊柱处的肌肉(横截面积、脂肪渗透)——允许
对几种最先进的生物成像指标的干预效果进行新颖的评估 - 以及
选择身体功能任务。骨转换和骨肌肉串扰的生物标志物也将在
第三个目标是提供对骨肌肉单位干预相关变化的机制洞察。权威的
数据有可能改变当前的临床实践,同时也提供对潜在生物学的洞察
机制。
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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Jamy D Ard其他文献
Perspective: Impact of the National Academy of Sciences, Engineering, and Medicine Report on the Process for the 2020 Dietary Guidelines Advisory Committee
- DOI:
10.1093/advances/nmab023 - 发表时间:
2021-07-01 - 期刊:
- 影响因子:
- 作者:
Barbara O Schneeman;Jamy D Ard;Carol J Boushey;Regan L Bailey;Rachel Novotny;Linda G Snetselaar;Janet M de Jesus;Eve E Stoody - 通讯作者:
Eve E Stoody
Jamy D Ard的其他文献
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{{ truncateString('Jamy D Ard', 18)}}的其他基金
Bisphosphonate Use to Mitigate Bone Loss Secondary to Bariatric Surgery
使用双膦酸盐减轻减肥手术继发的骨质流失
- 批准号:
10624846 - 财政年份:2022
- 资助金额:
$ 66.08万 - 项目类别:
1/2, Clinical Coordinating Center for the Long-term Effectiveness of the Anti-obesity medication Phentermine: the LEAP Trial
1/2,抗肥胖药物芬特明长期有效性临床协调中心:LEAP 试验
- 批准号:
10304557 - 财政年份:2021
- 资助金额:
$ 66.08万 - 项目类别:
1/2, Clinical Coordinating Center for the Long-term Effectiveness of the Anti-obesity medication Phentermine: the LEAP Trial
1/2,抗肥胖药物芬特明长期有效性临床协调中心:LEAP 试验
- 批准号:
10513404 - 财政年份:2021
- 资助金额:
$ 66.08万 - 项目类别:
Wake Forest Clinical and Translational Science Award
维克森林临床和转化科学奖
- 批准号:
10667486 - 财政年份:2015
- 资助金额:
$ 66.08万 - 项目类别:
Calorie Restriction & Body Composition, Function, & QoL in Older Adults
热量限制
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8122197 - 财政年份:2009
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Calorie Restriction & Body Composition, Function, & QoL in Older Adults
热量限制
- 批准号:
8521036 - 财政年份:2009
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$ 66.08万 - 项目类别:
Calorie Restriction & Changes in Body Composition, Disease, Function, & QoL in Ol
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- 批准号:
7741538 - 财政年份:2009
- 资助金额:
$ 66.08万 - 项目类别:
Calorie Restriction & Body Composition, Function, & QoL in Older Adults
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Calorie Restriction & Changes in Body Composition, Disease, Function, & QoL in Ol
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- 批准号:
7940811 - 财政年份:2009
- 资助金额:
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