Clinical study of a wearable therapeutic ultrasound sleeve for treatment of neuro-ischemic and ischemic diabetic foot ulcers

可穿戴超声治疗套治疗神经缺血性和缺血性糖尿病足溃疡的临床研究

基本信息

  • 批准号:
    10383532
  • 负责人:
  • 金额:
    $ 30万
  • 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:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

PROJECT SUMMARY Diabetes mellitus (DM) is a common condition (34M in USA). Approximately 1 in 7 DM patients have diabetic foot ulcers (DFU). Approximately half of patients with DFU have concomitant peripheral arterial disease (PAD), resulting in US prevalence of 2.5M patients with ischemic or neuroischemic DFUs. Patients with DFUs experience recurrent hospitalizations, chronic wound healing issues, and ultimately amputations that severely limit quality of life and productivity and place a significant burden of care on families and a sizable cost for the healthcare system. The patients with DFUs experience either some bone removal (750K to 1.35M ) or amputation (170K) annually, making new options necessary to treat these patients and prevent the costly amputations and hospitalizations. Patients with DFU’s who also have PAD experience these symptoms because of poor blood flow both in the larger arteries delivering blood to the lower leg and in the smaller vessels branching out to supply the muscles and tissues of the lower leg and foot. Acoustic energy modalities such as therapeutic ultrasound (TUS) have been shown to promote collateral vessel growth, angiogenesis, and to improve perfusion in animal models of coronary artery disease and PAD, with promising early human data in both disease processes. Vibrato Medical has developed a novel treatment with the first wearable therapeutic ultrasound (TUS) device for the non-invasive, outpatient treatment of PAD that will promote collateral vessel growth and angiogenesis, restore perfusion and reduce amputation rates. We have already demonstrated VibratoSleeve’s efficacy in markedly improving lower extremity perfusion in healthy volunteers using multiple perfusion measures. The goal of this Phase I SBIR proposal is to conduct a prospective open-label clinical trial designed to evaluate the acute improvement in perfusion to ischemic or neuro-ischemic DFUs. A total of 12 subjects will receive wearable VibratoSleeve treatment to the posterior calf for 90 minutes at 3 separate clinic visits at low, medium and high acoustic intensity settings. Efficacy will be assessed by comparing baseline and on- therapy, and mean improvements in each endpoint will be compared across all 3 intensities to determine a dose-response relationship. We will also systematically obtain patient feedback on ease of use, tolerability, and comfort of VibratoSleeve using a standardized questionnaire administered after each 90-minute treatment. Data on the tactile sensation and comfort will inform optimal acoustic parameters, treatment duration and design of a subsequent sham-controlled clinical trial of long-term TUS therapy to assess DFU healing.
项目总结

项目成果

期刊论文数量(0)
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Juliana Elstad其他文献

Juliana Elstad的其他文献

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{{ truncateString('Juliana Elstad', 18)}}的其他基金

Acoustic-anatomic modeling and development of a patient-specific wearable therapeutic ultrasound device for peripheral arterial disease
针对外周动脉疾病的患者专用可穿戴超声治疗设备的声学解剖建模和开发
  • 批准号:
    10603253
  • 财政年份:
    2023
  • 资助金额:
    $ 30万
  • 项目类别:
Non-invasive therapeutic ultrasound device for treatment of peripheral arterial disease in elderly population
用于治疗老年人外周动脉疾病的无创超声治疗仪
  • 批准号:
    10478420
  • 财政年份:
    2022
  • 资助金额:
    $ 30万
  • 项目类别:

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