NCT00153894已完成不适用
Pilot Study of the Effects of an Exercise Intervention on Insulin Levels in Breast Cancer Survivors
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
- 100
- 试验地点
- 1
- 主要终点
- To determine whether strength and endurance training will lower fasting insulin levels in a group of breast cancer survivors.
研究概览
简要总结
The purpose of this study is to determine whether an exercise program comprised of strength and endurance training will lower fasting insulin levels in a group of breast cancer survivors. Insulin may be involved in the risk of breast cancer recurrence.
详细描述
- All women taking part in this study will take part in an exercise program. Group A will start exercising immediately and Group B wil have a delay period of 16 weeks before starting to exercise so investigators can look at the changes in insulin levels that occur in a women who is not exercising.
- The exercise program will be made up of two parts: strength (or weight) training and cardiovascular exercise. The strength exercise will take place at a gym close to Dana-Farber Cancer Institute. Patients will work one on one with a personal trainer twice a week for 50 minutes. During each of these sessions, participants will have a brief warm up period and then will perform a series of Nautilus machine-based exercises under the guidance of the personal trainer. The goal of each session will be to increase strength by increasing weight lifted and repetitions.
- Participants will also do cardiovascular exercises on their own at home. Each participant will receive a pedometer and heart rate monitor. Women will be advised to exercise for at least 30 minutes three times per week on their own and will keep a journal recording how long and how intensively they exercised. Participants will receive weekly phone calls from the project manager to review the cardiovascular exercise.
- Women will undergo a series of measurements before and after the 16 week exercise intervention. They will be asked to fast for 12 hours prior to each of these measurement sessions. Measurements will include blood testing for insulin and glucose levels. Women will also be weighed, height will be measured, body composition will be computed using a noninvasive bioelectric impedance monitor, and hip/waist measurements will be taken. Group A participants will undergo testing at the time of enrolling in the study and after 16 weeks of exercise. Group B participants will undergo these tests after enrollment, after the 16 week waiting period and at the end of the exercise program.
- Participants will also complete two surveys by mail, 3 months and 9 months after completing the exercise portion of the protocol.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Prevention
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- Female
- 接受健康志愿者
- 否
入选标准
- •History of pathologically confirmed stage I-IIIa invasive breast cancer
- •Adjuvant chemotherapy and/or radiation must be completed at least 3 months prior to enrollment
- •Body mass index > 25 and/or a body composition analysis of >30
排除标准
- •Patients taking herceptin
- •Evidence of residual or distant disease
- •Use of any medication expected to affect insulin levels
- •Baseline exercise of more than 20 minutes two times per week
- •Active malignancy
- •Diabetes mellitus
- •Heart disease or uncontrolled hypertension
- •Presence of any condition that might be expected to impact a participant's ability to perform physical activity
研究组 & 干预措施
Group A
Active Comparator
Immediate Exercise
干预措施: Strength training (Behavioral)
Group A
Active Comparator
Immediate Exercise
干预措施: Endurance training (Behavioral)
Group B
Active Comparator
Delayed Exercise (delay by 16 weeks)
干预措施: Strength training (Behavioral)
Group B
Active Comparator
Delayed Exercise (delay by 16 weeks)
干预措施: Endurance training (Behavioral)
结局指标
主要结局
To determine whether strength and endurance training will lower fasting insulin levels in a group of breast cancer survivors.
时间窗: 3 years
次要结局
- To assess the compliance of a group of breast cancer survivors to a 16 week exercise intervention(3 years)
- to determine whether a combination strength and endurance training intervention can increase strength and endurance by 25% over a 16 week training period(3 years)
- to evaluate the impact of an exercise intervention on weight, waist-hip ratio and body composition in breast cancer survivors.(3 years)
研究者
Jennifer A. Ligibel, MD
Principal Investigator
Dana-Farber Cancer Institute
研究点 (1)
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