Altering Mechanisms of Frailty in Persons Living With HIV Aged 50 to 65 (ALTER)
People living with HIV are living longer as their disease is controlled with antiretroviral medications. Yet they are experiencing frailty more often and more than ten years earlier than those without HIV. In elderly persons without HIV, frailty is associated with decreased muscle strength and chronic inflammation. Less is known about what is driving early frailty in HIV or effective prevention measures for aging adults with HIV.
It may be that having HIV infection impairs energy production by mitochondria within the cells and contributes to the muscle weakness and inflammation accompanying frailty in people living with HIV . This study will examine the impact of six weeks of moderately paced walking on energy production in the cells, inflammation markers and frailty scores in people living with well-controlled HIV who are aged 50 to 65.
研究概览
研究类型
阶段
- 不适用
参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- Adults aged 50 to 65
- Documentation of HIV infection from Medical Provider
- Currently receiving antiretrovirals
- HIV viral load less than 50 iu/mL for at least six months
- CD4 count at least 350 cell/mm3 for the last six months
- Willing and able to walk at least 30 minutes 3 times weekly within 30 minutes of UMB
- Speaks English
Exclusion Criteria:
- Current smokers
- Weight less than 110 pounds
- Subjects taking long-term corticosteroids equivalent to 10mg/day or more, or immunomodulators
- Subjects with conditions known to affect inflammatory or mitochondrial function other than HIV, such as rheumatoid arthritis, gout, heart failure, chronic obstructive pulmonary disease, chronic kidney disease, diabetes, Parkinson's disease, Alzheimer's disease, active hepatitis, sleep apnea or autoimmune diseases.
- Current drug or alcohol use or dependence or unstable mental health conditions that, in the opinion of the investigator, would interfere with adherence to study requirements
学习计划
研究是如何设计的？
设计细节
- 主要用途：预防
- 分配：不适用
- 介入模型：单组作业
- 屏蔽：无（打开标签）
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
其他：People living with HIV
Subjects will act as own control between Visit one and Visit two, then will complete six weeks of walking, 30 minutes per walk, three times weekly between Visit Two and Visit Three.
|
Moderately paced walking of approximately 100 steps/minute for 30 minutes three times weekly for six weeks.
其他名称：
|
研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Mitochondrial Respiration PBMC and platelets
大体时间：Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
Change in mitochondrial respiratory capacity after a six-week walking intervention
|
Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Inflammation IL-1β
大体时间：Day 0, Week 6, Week 12 with intervention between weeks 6 and 12 months
|
Change in IL-1β after a six-week walking intervention
|
Day 0, Week 6, Week 12 with intervention between weeks 6 and 12 months
|
|
Inflammation IL-6
大体时间：Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
Change in IL-6 after a six-week walking intervention
|
Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
|
Inflammation IL-10
大体时间：Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
Change in IL-10 after a six-week walking intervention
|
Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
|
Inflammation TNF-α
大体时间：Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
Change in TNF-α after a six-week walking intervention
|
Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
|
Inflammation hsCRP
大体时间：Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
Change in hsCRP after a six-week walking intervention
|
Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
其他结果措施
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Frailty Related Phenotype
大体时间：Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
Change in frailty phenotype score (0-5 with 3 to 5 indicating frailty) after a six-week walking intervention
|
Day 0, Week 6, Week 12 with intervention between weeks 6 and 12
|
合作者和调查者
调查人员
- 首席研究员：Jennifer Klinedinst, PhD、Associate professor
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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