The impact of glomerular disorders on bone quality and strength

肾小球疾病对骨质量和强度的影响

基本信息

  • 批准号:
    10226160
  • 负责人:
  • 金额:
    $ 66.92万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-09-21 至 2023-07-31
  • 项目状态:
    已结题

项目摘要

PROJECT SUMMARY Children and adolescents with glomerular disease have unique and potentially modifiable risk factors for compromised bone health, but our current understanding of skeletal fragility in glomerular disease is lacking. In the first large population-based cohort study, we recently found that primary glomerular disease was independently associated with a >45% increased risk of incident spine and hip fracture, and that hip fracture risk was >1.5-fold greater in patients younger vs. older than 40 years of age. Mechanisms that drive increased fracture risk in glomerular disease are not clear but likely multifactorial. Our prior work in the Neptune cohort demonstrated that glomerular disease is associated with disturbances in vitamin D and mineral metabolism, and patients with glomerular disease are also exposed to medications which may negatively impact bone health. Identifying modifiable factors that compromise bone strength will facilitate the development of strategies to reduce fractures and other skeletal complications across the lifecourse. The primary objectives of this study are to: (1) determine the impact of glomerular disease on bone strength and (2) investigate the pathophysiologic underpinnings of impaired bone strength in glomerular disease. The proposed multi-center study will leverage the infrastructure of the NIH-funded CureGN prospective cohort study and the resources of two health systems [Children's Hospital of Philadelphia (CHOP)/University of Pennsylvania (Penn) and Columbia University Medical Center] with expertise in state-of-the-art high-resolution bone imaging and biopsy methods, to conduct the first prospective, longitudinal study to assess determinants of impaired bone quality and strength in glomerular disease. 150 CureGN participants (100 adults/50 children) and 120 age-, sex-, race-, and body mass index- matched healthy reference participants will be evaluated at baseline and 12 months. The new 2nd generation high-resolution peripheral quantitative computed tomography (HR-pQCT) device will be used to assess bone microarchitecture and generate micro-finite element analysis (µFEA) estimates of bone strength. We will also determine the DXA measures of areal BMD and bone mineral content (whole body, spine, hip and radius) that reflect bone deficits captured by HR-pQCT. Tetracycline double labeled transiliac crest bone biopsy specimens will be collected from a subset of 40 adult CureGN participants and analyzed by 2D histomorphometry; by microCT for 3D cortical and trabecular microarchitecture and estimated strength by finite element analysis; and by Nanoindentation/Raman spectroscopy for bone mechanical and matrix-level characterization. Concurrent clinical and biochemical profiling will allow for assessment of predictors of prospective changes in biomechanical competence and cortical and trabecular microarchitecture by HR-pQCT as well as tissue-level bone matrix and mechanical properties. The results of this study will serve specifically to inform future multicenter clinical trials of interventions to mitigate the effects of glomerular disease on bone health and fracture risk in children and adults with glomerular disease.
项目总结

项目成果

期刊论文数量(0)
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Michelle Denburg其他文献

Michelle Denburg的其他文献

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{{ truncateString('Michelle Denburg', 18)}}的其他基金

Mentoring of Early Career Researchers from Diverse Backgrounds
指导来自不同背景的早期职业研究人员
  • 批准号:
    10797793
  • 财政年份:
    2023
  • 资助金额:
    $ 66.92万
  • 项目类别:
Evaluation of the gut-kidney axis in kidney stone disease
肾结石疾病中肠-肾轴的评估
  • 批准号:
    9802990
  • 财政年份:
    2019
  • 资助金额:
    $ 66.92万
  • 项目类别:
Evaluation of the gut-kidney axis in kidney stone disease
肾结石疾病中肠-肾轴的评估
  • 批准号:
    10133067
  • 财政年份:
    2019
  • 资助金额:
    $ 66.92万
  • 项目类别:
Evaluation of the gut-kidney axis in kidney stone disease
肾结石疾病中肠-肾轴的评估
  • 批准号:
    10385846
  • 财政年份:
    2019
  • 资助金额:
    $ 66.92万
  • 项目类别:
The impact of glomerular disorders on bone quality and strength
肾小球疾病对骨质量和强度的影响
  • 批准号:
    10452536
  • 财政年份:
    2018
  • 资助金额:
    $ 66.92万
  • 项目类别:
The impact of glomerular disorders on bone quality and strength
肾小球疾病对骨质量和强度的影响
  • 批准号:
    9789870
  • 财政年份:
    2018
  • 资助金额:
    $ 66.92万
  • 项目类别:
Administrative Core
行政核心
  • 批准号:
    10529732
  • 财政年份:
    2017
  • 资助金额:
    $ 66.92万
  • 项目类别:
Administrative Core
行政核心
  • 批准号:
    10705296
  • 财政年份:
    2017
  • 资助金额:
    $ 66.92万
  • 项目类别:
CHOP Pediatric Center of Excellence in Nephrology
CHOP 儿科肾病卓越中心
  • 批准号:
    10705295
  • 财政年份:
    2017
  • 资助金额:
    $ 66.92万
  • 项目类别:
CHOP Pediatric Center of Excellence in Nephrology
CHOP 儿科肾病卓越中心
  • 批准号:
    10529731
  • 财政年份:
    2017
  • 资助金额:
    $ 66.92万
  • 项目类别:

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