- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03657628
Physical Activity, Proliferation and Immune Markers in Benign Breast Tissue
Pilot Study of the Impact of a Physical Activity Intervention on Proliferation and Immune Markers in Benign Breast Tissue in Women With High Mammographic Breast Density
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Women who exercise regularly have a lower risk of developing breast cancer, but the processes through which exercise could make cancer less likely to occur are not known. Some research in animals has shown that exercise can slow the growth of breast cancer cells and may increase the body's own defense mechanisms by stimulating the immune system. Very little is known about the effects of exercise on breast tissue in people. Understanding what changes occur in breast tissue and related markers in blood when a woman begins to exercise could provide more information about the ways in which exercise could prevent breast cancer.
The study is designed to look at the changes that occur in markers found in breast tissue and blood in women with dense breast tissue who take part in an exercise program. Density of breast tissue is a measure of how much of the breast tissue is made up of cells rather than fat. Breast density on mammogram has been linked to the risk of developing breast cancer, with women with higher degrees of breast density having a higher risk of developing breast cancer compared to women whose breasts are less dense.
Since the investigators do not know if these blood or breast tissue tests have any relationship to the development of breast cancer, the investigators do not plan to share the results of these tests with the participant or its physician. The investigators will give the participants the option of receiving the overall study results when the trial is completed, if the participant would like to receive them.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02215
- Dana Farber Cancer Institute
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Written informed consent prior to any study-related procedures
- Premenopausal women, defined as:
- having regular menstrual cycles
- age ≤ 50 years with an intact IUD
- history of hysterectomy without oophorectomy
- Heterogeneously dense or very dense (BIRADS 3 or 4) breast tissue on mammogram within the last 3 years
- Physically inactive; engaging in <90 minutes of moderate or vigorous intensity PA per week
- No prior history of breast cancer
- At least 18 years old
- Physically able to exercise
- English speaking and able to read English
Exclusion Criteria:
- Self-reported inability to walk 2 blocks (at any pace)
- Prior history of breast cancer; prior DCIS is allowable as long as participant is not taking endocrine therapy and has at least 1 breast that has not been irradiated.
- On oral contraceptives; Mirena IUD is acceptable
- Cardiovascular, respiratory or musculoskeletal disease or joint problems that preclude moderate physical activity. Examples would include unstable angina, recent myocardial infarction, oxygen-dependent pulmonary disease, and osteoarthritis requiring imminent joint replacement. Moderate arthritis that does not preclude physical activity is not a reason for ineligibility.
- Psychiatric disorders or conditions that would preclude participation in the study intervention (e.g. untreated major depression or psychosis, substance abuse, severe personality disorder)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Physical activity
|
Strength training and moderate-intensity, aerobic exercise
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Impact of exercise upon expression of Ki-67
Time Frame: 12-weeks
|
To evaluate the change in breast tissue expression of Ki-67 in premenopausal women with increased breast density taking part in a 12-week physical activity intervention
|
12-weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in biomarker (IL-6)
Time Frame: 12-weeks
|
12-weeks
|
|
Changes in biomarker (TNF-a)
Time Frame: 12-weeks
|
12-weeks
|
|
Changes in biomarker (CRP)
Time Frame: 12-weeks
|
12-weeks
|
|
Changes in minutes of weekly physical activity
Time Frame: 12-weeks
|
7-Day Physical Activity Recall Interview
|
12-weeks
|
Changes in waist to hip ratio
Time Frame: 12-weeks
|
12-weeks
|
|
Changes in weight (% change)
Time Frame: 12-weeks
|
12-weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jennifer Ligibel, MD, Dana-Farber Cancer Institute
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 18-168
- 1P50CA168504-05 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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