Nicotinamide riboside supplementation for treating arterial stiffness and elevated systolic blood pressure in patients with moderate to severe CKD.

补充烟酰胺核苷可治疗中度至重度 CKD 患者的动脉僵硬度和收缩压升高。

基本信息

  • 批准号:
    10640074
  • 负责人:
  • 金额:
    $ 44.44万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-05-23 至 2025-03-31
  • 项目状态:
    未结题

项目摘要

Project Summary Risk of cardiovascular diseases (CVD) is significantly elevated in patients with chronic kidney disease (CKD); however, this increased risk is only partially explained by traditional CV risk factors. Arterial dysfunction is an important nontraditional CV risk factor gaining increased recognition in the field of nephrology. While many changes likely contribute to the development of arterial dysfunction in patients with CKD, among those of greatest concern is the development of stiffening of the large elastic arteries. This process is best represented, both physiologically and pathophysiologically, by increases in the gold standard measure of arterial stiffening, carotid to femoral artery pulse wave velocity (CFPWV), which reflects, in particular, increases in aortic stiffness. Aortic stiffening with CKD is mediated by structural and functional (increased vascular smooth muscle tone) changes in the arterial wall stimulated by oxidative stress and chronic low-grade inflammation. Caloric restriction (CR) is a promising strategy for prevention of CKD-associated arterial dysfunction and CVD. In this context, we have shown that CR reduces CFPWV and SBP in older mice and in overweight/obese middle-age and older adults. However, long-term adherence to chronic CR regimens with optimal nutrition is very difficult to achieve and unlikely to become clinically relevant in the near future as it may reduce muscle and bone mass. As a result, we have since shown that boosting NAD+ bioavailability to stimulate SIRT-1, a “CR mimetic” approach, reduces CFPW and oxidative stress in old mice, and we recently took the first step in translating these findings in a study of middle-age and older adults with normal kidney function and elevated systolic blood pressure (SBP). We found that supplementation with nicotinamide riboside, a natural, commercially available precursor of NAD+ and novel CR mimetic, was well tolerated and increased NAD+ bioavailability and reduced CFPWV and SBP. Here we propose a randomized, placebo- controlled, double-blind, single-site phase IIa clinical trial to assess the safety and efficacy of oral nicotinamide riboside (500 mg capsules 2x/day; NIAGEN®; ChromaDex Inc.) for 3 months vs. placebo (n=59/group) for decreasing aortic stiffness and SBP in men and women (35-80 years) with stage III and IV CKD. We hypothesize that treatment will be safe and well-tolerated, and will reduce CFPWV and SBP, as related to increases in systemic NAD+ bioavailability and reductions in oxidative stress, inflammation and vasoconstrictor factors. Aim 1: To measure CFPWV (primary outcome) before/after nicotinamide riboside vs. placebo treatment; Aim 2: To measure casual and 24h-ambulatory SBP (secondary outcome) before and after treatment; Aim 3: To determine the safety and tolerability of treatment with nicotinamide riboside vs. placebo; Aim 4: To measure systemic NAD+ and NAD+–related metabolite concentrations, as well as circulating markers of oxidative stress, inflammation, and vasoconstriction factors before and after treatment.
项目总结

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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Michel Benjamin Chonchol其他文献

Michel Benjamin Chonchol的其他文献

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{{ truncateString('Michel Benjamin Chonchol', 18)}}的其他基金

Clonal hematopoiesis, mild cognitive impairment and kidney function decline
克隆性造血、轻度认知障碍和肾功能下降
  • 批准号:
    10464393
  • 财政年份:
    2022
  • 资助金额:
    $ 44.44万
  • 项目类别:
Feasibility study of empagliflozin in patients with autosomal dominant polycystic kidney disease
恩格列净治疗常染色体显性多囊肾病的可行性研究
  • 批准号:
    10534531
  • 财政年份:
    2022
  • 资助金额:
    $ 44.44万
  • 项目类别:
Feasibility study of empagliflozin in patients with autosomal dominant polycystic kidney disease
恩格列净治疗常染色体显性多囊肾病的可行性研究
  • 批准号:
    10684097
  • 财政年份:
    2022
  • 资助金额:
    $ 44.44万
  • 项目类别:
Clonal hematopoiesis, mild cognitive impairment and kidney function decline
克隆性造血、轻度认知障碍和肾功能下降
  • 批准号:
    10626828
  • 财政年份:
    2022
  • 资助金额:
    $ 44.44万
  • 项目类别:
Kidney Stone Disease In ADPKD
ADPKD 中的肾结石病
  • 批准号:
    10651868
  • 财政年份:
    2021
  • 资助金额:
    $ 44.44万
  • 项目类别:
Kidney Stone Disease In ADPKD
ADPKD 中的肾结石病
  • 批准号:
    10387268
  • 财政年份:
    2021
  • 资助金额:
    $ 44.44万
  • 项目类别:
Inspiratory muscle strength training for lowering systolic blood pressure in midlife and older adults with chronic kidney disease
吸气肌力量训练可降低患有慢性肾病的中年和老年人的收缩压
  • 批准号:
    10669712
  • 财政年份:
    2021
  • 资助金额:
    $ 44.44万
  • 项目类别:
Inspiratory muscle strength training for lowering systolic blood pressure in midlife and older adults with chronic kidney disease
吸气肌力量训练可降低患有慢性肾病的中年和老年人的收缩压
  • 批准号:
    10313126
  • 财政年份:
    2021
  • 资助金额:
    $ 44.44万
  • 项目类别:
Nicotinamide riboside supplementation for treating arterial stiffness and elevated systolic blood pressure in patients with moderate to severe CKD.
补充烟酰胺核苷可治疗中度至重度 CKD 患者的动脉僵硬度和收缩压升高。
  • 批准号:
    10400032
  • 财政年份:
    2019
  • 资助金额:
    $ 44.44万
  • 项目类别:
Nicotinamide riboside supplementation for treating arterial stiffness and elevated systolic blood pressure in patients with moderate to severe CKD.
补充烟酰胺核苷可治疗中度至重度 CKD 患者的动脉僵硬度和收缩压升高。
  • 批准号:
    9762288
  • 财政年份:
    2019
  • 资助金额:
    $ 44.44万
  • 项目类别:

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