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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01874184
Other study ID # 9026
Secondary ID NCI-2014-0092944
Status Completed
Phase N/A
First received June 6, 2013
Last updated January 15, 2016
Start date October 2013

Study information

Verified date January 2016
Source University of Washington
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Interventional

Clinical Trial Summary

This randomized clinical trial studies a group-based lifestyle intervention or usual care in measuring biomarker levels in participants at high risk for breast cancer. Studying the effects that changes to daily eating and exercise habits can have on the body's hormone levels and the body's ability to activate proteins may help doctors identify interventions for individuals at high risk for breast cancer.


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.


Recruitment information / eligibility

Status Completed
Enrollment 17
Est. completion date
Est. primary completion date April 2015
Accepts healthy volunteers No
Gender Female
Age group 35 Years to 65 Years
Eligibility 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 Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Investigator, Outcomes Assessor), Primary Purpose: Basic Science


Related Conditions & MeSH terms


Intervention

Other:
counseling intervention
Take part in weekly group counseling sessions
Behavioral:
behavioral dietary intervention
Set goals for changing dietary habits
exercise intervention
Attend group exercise activities
Other:
questionnaire administration
Ancillary studies
laboratory biomarker analysis
Correlative studies

Locations

Country Name City State
United States Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium Seattle Washington

Sponsors (3)

Lead Sponsor Collaborator
University of Washington National Cancer Institute (NCI), National Institute of Nursing Research (NINR)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Level of adherence to the dietary component evaluated using the 3-day food records 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 No
Primary Level of adherence to the exercise component evaluated using the physical activity logs 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 No
Primary Level of adherence to the group counseling sessions component evaluated by tracking attendance 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 No
Primary Inter-person variability 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 No
Primary Change in EDA biomarker levels Linear regression models will be used for correlated outcomes. Baseline to up to 6 months No
Primary Change in BMI Linear regression models will be used for correlated outcomes. Baseline to up to 6 months No
Primary Change in percentage of total fat Linear regression models will be used for correlated outcomes. Baseline to up to 6 months No
Primary Change in percentage of body fat as measured by BMI Linear regression models will be used for correlated outcomes. Baseline to up to 6 months No
Primary Movement through the stages of change (pre-contemplation, contemplation, action, and maintenance) and data collected from quality of life questionnaires 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 No
Secondary Differences in change of the DNA repair assay in intervention participants versus controls Analysis of variance will be used. Baseline to up to 3 months No
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