- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01874184
Group-Based Lifestyle Intervention in Measuring Biomarker Levels in Participants at High Risk for Breast Cancer (DEEM)
Diet, Exercise and Estrogen Metabolites Study (DEEM)
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVES:
I. To calculate eligibility rates, participation rates, retention, and adherence within the Diet, Exercise and Estrogen Metabolites (DEEM) study.
II. To determine inter- and intra-person variability of the estrogen-deoxyribonucleic acid (DNA) adducts (EDA) biomarkers in participants of the DFS.
III. To explore the effects of the intervention on percent adiposity and the EDA ratio at the end of the 3-month intervention and 6-month follow-up.
SECONDARY OBJECTIVES:
I. To explore the effects of the intervention on the DNA damage repair (DDR) biomarker at 3-months.
OUTLINE: Participants are randomized to 1 of 2 arms.
ARM I: Participants take part in weekly 2-hour group counseling sessions for 6 months with taper beginning at 3 months. Group sessions include education, group process, and experiential learning on the benefits of physical activity, balanced nutrition, and mindfulness techniques. Participants set goals for changing their dietary habits with the help of a mental health counselor and are also encouraged to exercise 3-4 times per week, including experiential group activities such as brisk walking, yoga, Zumba, and group fitness.
ARM II: Participants receive their usual care and are also provided with study materials on healthy diet and exercise at the end of the study.
After completion of study, participants are followed up for 3 months.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Washington
-
Seattle, Washington, United States, 98109
- Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Women will be considered at high risk for developing breast cancer if they fulfill one of the following criteria:
- A Gail model risk of >= 1.7% over 5
- Claus model lifetime risk of > 20%
- Tyrer-Cuzick model lifetime risk > 20%
- Personal history of breast biopsy showing atypical ductal hyperplasia (ADH), atypical lobular hyperplasia (ALH) or lobular carcinoma in situ (LCIS)
- Ductal carcinoma in situ (DCIS) that has been previously treated; patients must be at least 2 months from completion of primary therapy not currently on hormonal therapy
- Deleterious mutation in breast cancer (BRCA)1 or BRCA2 another gene known to increase the risk of developing breast cancer
- Risk assessment of 20% chance or greater of carrying a BRCA1/2 gene mutation; the BRCAPRO model will be used to assess this risk
Body mass index (BMI)
- For postmenopausal women: a BMI of > 28 and < 40
- For premenopausal women: a BMI of > 25 and < 40
- Willingness to provide informed consent
- Physically able to undertake a moderate exercise program (assessed at the clinic visit)
- Participant has the ability to attend weekly group counseling sessions and subsequent clinic visits
- Participant has the ability to communicate in English
- Participant agrees to be randomly assigned
Exclusion Criteria:
- Women who are currently engaged in more than 90 min of moderate to vigorous exercise per week at the time of recruitment
- Alcohol/drug abuse or significant mental illness, as assessed by study personnel
- Previous diagnosis of invasive cancer within the past 5 years (in situ breast cancer and simple basal or squamous cell carcinoma not included)
- Plans to leave the geographic area within six months
- Contraindications for treadmill testing or entry into a training program
- Pregnant women or women planning to be pregnant in the following year will not be admitted in to the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: BASIC_SCIENCE
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Arm I (DEEM intervention)
Participants take part in weekly 2-hour group counseling sessions for 6 months with taper beginning at 3 months.
Group sessions include education, group process, and experiential learning on the benefits of physical activity, balanced nutrition, and mindfulness techniques.
Participants set goals for changing their dietary habits with the help of a mental health counselor and are also encouraged to exercise 3-4 times per week, including experiential group activities such as brisk walking, yoga, Zumba, and group fitness.
|
Correlative studies
Ancillary studies
Take part in weekly group counseling sessions
Other Names:
Set goals for changing dietary habits
Attend group exercise activities
|
NO_INTERVENTION: Arm II (usual care)
Participants receive their usual care and are provided with study materials on healthy diet and exercise at the end of the study.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Level of adherence to the dietary component evaluated using the 3-day food records
Time Frame: Up to 9 months
|
Descriptive statistics will be calculated.
The percentage of women meeting the study's eligibility criteria, percentage of those who agree to participate, and the percentage of those who complete the study will be stratified by intervention group.
This analysis will summarize data collected from the participants' into themes.
|
Up to 9 months
|
Level of adherence to the exercise component evaluated using the physical activity logs
Time Frame: Up to 9 months
|
Descriptive statistics will be calculated.
The percentage of women meeting the study's eligibility criteria, percentage of those who agree to participate, and the percentage of those who complete the study will be stratified by intervention group.
This analysis will summarize data collected from the participants' into themes.
|
Up to 9 months
|
Level of adherence to the group counseling sessions component evaluated by tracking attendance
Time Frame: Up to 9 months
|
Descriptive statistics will be calculated.
The percentage of women meeting the study's eligibility criteria, percentage of those who agree to participate, and the percentage of those who complete the study will be stratified by intervention group.
This analysis will summarize data collected from the participants' into themes.
|
Up to 9 months
|
Inter-person variability
Time Frame: Up to 3 months
|
The variance of the EDA biomarkers will be calculated in all participants at baseline, and stratify upon study arm.
In order to determine the level of variance for biomarkers that is due to between-person variation in relation to the amount of variance that is due to within-person variance, the intra-class correlation coefficient will be calculated among the controls, which is based on the analysis of variance.
|
Up to 3 months
|
Change in EDA biomarker levels
Time Frame: Baseline to up to 6 months
|
Linear regression models will be used for correlated outcomes.
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Baseline to up to 6 months
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Change in BMI
Time Frame: Baseline to up to 6 months
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Linear regression models will be used for correlated outcomes.
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Baseline to up to 6 months
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Change in percentage of total fat
Time Frame: Baseline to up to 6 months
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Linear regression models will be used for correlated outcomes.
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Baseline to up to 6 months
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Change in percentage of body fat as measured by BMI
Time Frame: Baseline to up to 6 months
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Linear regression models will be used for correlated outcomes.
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Baseline to up to 6 months
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Movement through the stages of change (pre-contemplation, contemplation, action, and maintenance) and data collected from quality of life questionnaires
Time Frame: Up to 9 months
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The participant's baseline level of readiness for change modified the effect of the intervention will be investigated, with the hypothesis that the largest impact will be observed within those with the highest level of readiness for change.
|
Up to 9 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Differences in change of the DNA repair assay in intervention participants versus controls
Time Frame: Baseline to up to 3 months
|
Analysis of variance will be used.
|
Baseline to up to 3 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Kerryn Reding, Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Skin Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Adenocarcinoma
- Neoplasms, Glandular and Epithelial
- Breast Diseases
- Neoplasms, Ductal, Lobular, and Medullary
- Carcinoma, Ductal
- Carcinoma in Situ
- Breast Neoplasms
- Carcinoma
- Hyperplasia
- Breast Carcinoma In Situ
- Carcinoma, Intraductal, Noninfiltrating
- Carcinoma, Lobular
- Carcinoma, Ductal, Breast
Other Study ID Numbers
- 9026 (CTEP)
- P30CA015704 (U.S. NIH Grant/Contract)
- NCI-2014-00929 (REGISTRY: CTRP (Clinical Trial Reporting Program))
- 44358-J
- R00NR012232 (NIH)
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