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Energy Balance and Breast Cancer Aspects-II

Energy Balance and Breast Cancer Aspects-II Study

Status
Active, not recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02240836
Acronym
EBBA-II
Enrollment
545
Registered
2014-09-16
Start date
2014-09-30
Completion date
2027-10-31
Last updated
2024-04-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

DCIS Grade 3, LCIS, Lobular Carcinoma in Situ, Stage I Breast Cancer, Stage II Breast Cancer

Brief summary

The purpose of this study, the EBBA-II trial, is to determine whether a 12 month exercise program comprised of strength and endurance training among newly diagnosed breast cancer patients undergoing adjuvant therapy, will influence cardiopulmonary function. Secondary aims are to determine whether the 12 month exercise program will influence factors associated with metabolic profile, tumor growth, disease-free survival, overall mortality and breast cancer specific mortality. Furthermore, the effect on QoL parameters, and dietary factors will be assessed and evaluated.

Detailed description

The EBBA (Energy Balance and Breast cancer Aspects)-II study is a randomized clinical 12 month physical activity intervention trial, including female breast cancer patients diagnosed with histologically verified invasive cancer stage I-II or carcinoma in situ (DCIS/LCIS) grade 3. * Participants are randomized to either control or intervention group 10 days +/- 2 days after surgery. The intervention start 3 weeks after surgery and continue throughout adjuvant treatments given (chemotherapy, radiation, endocrine therapy etc). The intervention group receive a detailed training program based on their own ventilatory maximal oxygen consumption (VO2max) at baseline. They meet for supervised training sessions in groups for 60 minutes x 2/ week during 12 months. In addition, they are informed to exercise at home for at least of total 120 minutes weekly aiming to perform a total of 240 minutes exercise, weekly. The patients in the control group receive standard of care without any restrictions regarding exercise. * All participants will undergo a series of measurements before surgery, after surgery, 6 months and after the 12 months exercise intervention trial. Clinical measurements will include anthropometric measurements, fasting blood, fecal and urine samples and cardiopulmonary exercise test (CPET). Complete questionnaires (food diary (PFD)/food frequency questionnaires (FFQ), quality of life (QoL)). * All participants will come to clinical examination and fasting blood sampling after 2, 3, 5 and 10 years follow up.

Interventions

OTHERIntervention. Exercise

Physical activity. Attendance in exercise groups 60 min. twice a week and exercise at home 120 min per week. Intervention for 12 months.

Sponsors

St. Olavs Hospital
CollaboratorOTHER
The Research Council of Norway
CollaboratorOTHER
Oslo University Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Age 18-75 years * Newly diagnosed DCIS grade 3 or invasive breast cancer stage I, II, histologically verified. * All ethnic groups, but participants have to speak and write the Norwegian language. * Ability to join and maintain an intervention for 12 months

Exclusion criteria

* Verified heart disease * Dysregulated diabetes mellitus or thyroid disorders * Muscular and skeletal or other disorders excluding regular physical activity performance * Body Mass Index \>40 kg/m2 * Previous surgical treatment for obesity * Travel distance \>1.5 hour from home to study site

Design outcomes

Primary

MeasureTime frameDescription
VO2maxBaseline,12 monthsChange in VO2max from baseline to 12 months

Secondary

MeasureTime frameDescription
LDL cholesterolBaseline,12 monthsChange in LDL cholesterol from baseline to 12 months
HDL cholesterolBaseline,12 monthsChange in HDL cholesterol from baseline to 12 months
HbA1cBaseline,12 monthsChange in concentrations of HbA1c from baseline to 12 months
BMIBaseline,12 monthsChange in BMI from baseline to 12 months
TriglyceridesBaseline,12 monthsChange in concentrations of triglycerides from baseline to 12 months
C-reactive Protein (CRP)Baseline,12 monthsChange in concentrations of CRP (mg/L) from baseline to 12 months
Heart rateBaseline,12 monthsChange in heart rate from baseline to 12 months
Total fatBaseline,12 monthsChange in total fat from baseline to 12 months
Truncated fatBaseline,12 monthsChange in truncated fat from baseline to 12 months
Waist circumferenceBaseline,12 monthsChange in waist circumference from baseline to 12 months
Energy from food diaryBaseline,12 monthsChange in energy from food diary from baseline to 12 months
Metabolic syndrome12 monthsDichotomous outcome (yes/no)
Total cholesterol/HDL cholesterolBaseline,12 monthsChange in total cholesterol/HDL cholesterol from baseline to 12 months
Total cholesterolBaseline,12 monthsChange in total cholesterol from baseline to 12 months
Systolic blood pressureBaseline,12 monthsChange in systolic blood pressure from baseline to 12 months
Diastolic blood pressureBaseline,12 monthsChange in diastolic blood pressure from baseline to 12 months
InsulinBaseline,12 monthsChange in concentrations of blood insulin levels (µIU/mL) from baseline to 12 months

Other

MeasureTime frameDescription
Lactate12 monthsBlood lactate from fingertip one minute after test
HRmax12 monthsMaximal heart rate
BORGmax12 monthsSubjective measure of exhaustion
Disease-free survivalBaseline, 1 year, 2 years, 5 years, 10 yearsTime from baseline to the date of cancer symptoms or death
Overall mortalityBaseline, 1 year, 2 years, 5 years, 10 yearsTime from baseline until the date of death, regardless of the cause of death
Breast cancer-specific mortalityBaseline, 1 year, 2 years, 5 years, 10 yearsTime from baseline until the date of breast cancer-specific death
Other exploratory12 monthsForced expiratory volume in 1 second (FEV1), peak expiratory flow (PEF), diffusing capacity of the lung for carbon monoxide (DLco) Inflammatory markers, prothrombotic markers, urinary markers, adipokines Levels of sex steroid hormones Growth factors (Insulin-like growth factor \[IGF\], insulin, insulin-like growth factor binding protein \[IGFBP\]) Microenvironment of the breast, tumor infiltrating lymphocytes (TILS), Crown like structures (CLS) Microbiota Quality of life and dietary factors
Respiratory Quotient (RQ)12 monthsRatio between the amount of CO2 produced in metabolism and O2 used

Countries

Norway

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026