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临床试验/NCT03086187
NCT03086187已完成不适用

The Effects of a 56day Unilateral Muscular Unloading Intervention With a Novel Device That Allows Normal Ambulation While Reducing Muscle Activation Drastically, on Muscles, Bones and Vessels

DLR German Aerospace Center1 个研究点 分布在 1 个国家目标入组 11 人开始时间: 2011年3月1日最近更新:
适应症
干预措施

试验速览

阶段
不适用
状态
已完成
入组人数
11
试验地点
1
主要终点
Bone density as measured with pQCT

研究概览

简要总结

11 healthy men used the HEPHAISTOS unloading orthosis in an ambulatory 8 week intervention study.

It greatly reduces calf muscle forces without reducing ground reaction forces.

详细描述

The 56day unloading intervention with HEPHAISTOS had the following key objectives:

  1. Primary objective: Assessment and evaluation of bone adaptation.
  2. Secondary objective: Assessment and evaluation of functional and structural muscular adaptations.
  3. Third objective: Assessment and evaluation of functional and structural vascular adaptations.
  4. Fourth objective: Assessment and evaluation if the present findings deviate from findings observed in established unloading models.

研究设计

研究类型
Interventional
分配方式
Na
干预模型
Single Group
主要目的
Basic Science
盲法
None

入排标准

年龄范围
20 Years 至 45 Years(Adult)
性别
Male
接受健康志愿者
是

入选标准

  • •age: 20-45
  • •BMI: 20-30

排除标准

  • •professional sports men
  • •rheumatism
  • •muscle and joint disease
  • •bone fractures within 12 months prior to the study
  • •cruciate ligament rupture within 10 years prior to the study
  • •metal implants
  • •participation in any other clinical study within 2 months prior to the study haemophilia
  • •any blood vessel disease
  • •claustrophobia
  • •herniated disk
  • •cardiac pulse generator
  • •drug or alcohol abuse
  • •hyperlipidaemia
  • •kidney disease
  • •hyperhomocysteaemia
  • •hyper/hypouricemia
  • •hyper/hypocalcaemia
  • •vitamin d deficit
  • •chronical back pain
  • •deficient certificate of good conduct
  • •achilles tendon injury

研究组 & 干预措施

Hephaistos unloading orthosis

Other

Hephaistos unloading orthosis: Calf muscle unloading: The 11 male subjects had to wear a novel orthosis for 8 weeks, which greatly reduces plantarflexor forces during gait.

干预措施: Hephaistos unloading orthosis (Device)

结局指标

主要结局

Bone density as measured with pQCT

时间窗: At baseline and up to 12 months after the immobilization phase

Change from baseline to 14 days after immobilization phase

次要结局

  • Structural and functional parameters of arterial adaptation(At baseline and up to 12 months after the immobilization phase)

研究者

申办方类型
Other
责任方
Sponsor

研究点 (1)

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