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临床试验/NCT00635739
NCT00635739已完成不适用

Efficacy of Whey Protein Supplementation on Resistance Exercise-Induced Changes in Muscle Strength, Fat Free Mass, and Function in Mobility-Limited Older Adults

Tufts University2 个研究点 分布在 1 个国家目标入组 80 人开始时间: 2008年4月最近更新:
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
80
试验地点
2
主要终点
1 Repetition Maximum Muscle Strength 1-RM (N) Double Leg Press

研究概览

简要总结

This research study is looking at the effects of a whey protein nutritional supplement on changes in muscle mass, strength and physical function in response to a 6 month program of strength training exercise.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
Triple (Participant, Care Provider, Investigator)

入排标准

年龄范围
70 Years 至 85 Years(Older Adult)
性别
All
接受健康志愿者

入选标准

  • Male and Females 70-85 yrs
  • Community dwelling
  • Short Physical Performance Battery score < 10
  • BMI = 21-32.5

排除标准

  • Acute or terminal illness
  • Mini Mental State Exam < 23
  • Myocardial infarction in previous 6 months, symptomatic coronary artery disease, or congestive heart failure
  • Upper or lower extremity fracture in previous 6 months
  • Uncontrolled hypertension (>150/90 mm Hg).
  • Neuromuscular diseases and drugs which affect neuromuscular function.
  • Hormone replacement therapy
  • eGFR <30 mL/min/1.73m2
  • Types I and II Diabetes Mellitus
  • Dietary protein intake < 0.8 g.kg-1.day-1
  • Disorders of nutrient absorption
  • Milk, or whey allergy
  • Sulfa drugs and allergy to PABA-containing sunscreens

研究组 & 干预措施

A, 2

Placebo Comparator

干预措施: Maltodextrin placebo (Dietary Supplement)

A, 1

Active Comparator

干预措施: Whey protein (Dietary Supplement)

结局指标

主要结局

1 Repetition Maximum Muscle Strength 1-RM (N) Double Leg Press

时间窗: Baseline and follow up (6 months)

The maximum muscle strength of the leg extensor muscles as measured by pneumatic strength training equipment.

次要结局

  • Lean Mass(Baseline and follow up (6 months))

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Roger A Fielding

Director and Senior Scientist, Professor of Nutrition, Jean Mayer USDA Human Nutrition Research Center on Aging.

Tufts University

研究点 (2)

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