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Breast CancerNCT03424915

Exercise, Fitness and Tumor Profiling in Breast Cancer Patients

An observational study of Breast Cancer, run by Memorial Sloan Kettering Cancer Center at 7 sites in United States.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

This study is designed to find out how engaging in regular exercise (or not) alters the biology of breast tumors as well as the normal tissue (if available) surrounding the tumor. Read more about this study

Who is it for?
Ages 21 to 80 years, women only
Conditions the study is for
Breast Cancer
What is being tested?
Harvard Health Professionals survey, Blood draw and CPET Procedures
How many people
42 participants
Where
7 sitesUnited States
Study dates
31 Jan 2018to Jan 2027
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 21 to 80 years
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Study population: MSK clinic

Who may be able to join

  • Cohort 1: Breast Cancer Patients
  • Ages 21-80 years
  • Female
  • Histologically confirmed ER receptor positive (>1% staining), HER2 negative (FISH ratio <1.8), untreated operable breast cancer
  • Stage I to II disease
  • Scheduled for surgical resection by any type of mastectomy or lumpectomy at MSK
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  • Tumor size ≥1cm by preoperative imaging or physical examination
  • Categorization into self-reported exercise history exposure classifications as follows: (1) exercising: ≥120 minutes of vigorous-intensity exercise/wk for the past 12 months, and (2) sedentary (non-exercising): ≤ 30 minutes of moderate-intensity exercise/week for the past months using the Harvard Health Professionals survey.(34)
  • Ability to read and understand English
  • Willing and able to comply with requirements of the protocol
  • Cohort 2: High-Risk Patients
  • Women at high-risk of breast cancer, as defined by one of the following:
  • Cytologically confirmed atypical hyperplasia
  • confirmed LCIS
  • Being a carrier for BRCA1 and/or BRCA2
  • Predicted lifetime risk of breast cancer >20% based on family history
  • Predicted 10-year risk of breast cancer of ≥2.31%
  • Predicted 5-year risk of breast cancer ≥1.67%
  • Aged 21-80 years old
  • If a female of child-bearing potential, must not be pregnant or planning to become pregnant during the study.
  • Women <50 years old of child-bearing potential must have a negative pregnancy test (urine HCG or serum) within 14 days of enrollment.

Who cannot join

  • Cohort 1:
  • Received any form of neoadjuvant treatment
  • Presence of any other concurrent, actively treated malignancy
  • Presence of metastatic disease
  • If performing a CPET, any of the following contraindications:
  • Acute myocardial infarction within 3-5 days of any planned study procedures;
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  • Unstable angina
  • Uncontrolled arrhythmia causing symptoms or hemodynamic compromise
  • Recurrent syncope
  • Active endocarditis
  • Acute myocarditis or pericarditis
  • Symptomatic severe aortic stenosis
  • Uncontrolled heart failure
  • Acute pulmonary embolus or pulmonary infarction within 3 months of any planned study procedures
  • Thrombosis of lower extremities
  • Suspected dissecting aneurysm
  • Uncontrolled asthma
  • Pulmonary edema
  • Respiratory failure
  • Acute non-cardiopulmonary disorders that may affect exercise performance or be aggravated by exercise (i.e., infection, renal failure, thyrotoxicosis).
  • Mental impairment leading to inability to cooperate
  • If performing a CPET, room air desaturation at rest ≤ 85%
  • Any other condition or intercurrent illness that, in the opinion of the investigator, makes the participant a poor candidate for the study.
  • Cohort 2:
  • Use of any selective estrogen receptor modulator or aromatase inhibitor within 6 months of consent, including, but not limited to: tamoxifen, raloxifene, arzoxifene, acolbifene, anastrozole, exemestane, and letrozole.
  • Enrollment on an interventional investigational study
  • Bilateral breast implants
  • History of any of the following:
  • Invasive breast cancer
  • DCIS
  • Any current invasive cancer diagnosis
  • Metastatic malignancy of any kind
  • If performing a CPET, any of the following contraindications:
  • Acute myocardial infarction within 3-5 days of any planned study procedures;
  • Unstable angina
  • Uncontrolled arrhythmia causing symptoms or hemodynamic compromise
  • Recurrent syncope
  • Active endocarditis
  • Acute myocarditis or pericarditis
  • Symptomatic severe aortic stenosis
  • Uncontrolled heart failure
  • Acute pulmonary embolus or pulmonary infarction within 3 months of any planned study procedures
  • Thrombosis of lower extremities
  • Suspected dissecting aneurysm
  • Uncontrolled asthma
  • Pulmonary edema
  • Respiratory failure
  • Acute non-cardiopulmonary disorders that may affect exercise performance or be aggravated by exercise (i.e., infection, renal failure, thyrotoxicosis).
  • Mental impairment leading to inability to cooperate
  • If performing a CPET, room air desaturation at rest ≤ 85%
  • Any other condition or intercurrent illness that, in the opinion of the investigator, makes the participant a poor candidate for the core biopsy or the study.

Trial locations and contacts

7 sites in 1 country.

7 sites in 1 country

United States7 sites
  • Memorial Sloan Kettering Basking Ridge (Consent and Follow-up)

    Basking Ridge, New Jersey, 07920

  • Memorial Sloan Kettering Commack (Consent and Follow-up)

    Commack, New York, 11725

  • Memorial Sloan Kettering Westchester (Consent and Follow-up)

    Harrison, New York, 10604

  • Memorial Sloan Kettering Monmouth (Consent and Follow-up)

    Middletown, New Jersey, 07748

  • Memorial Sloan Kettering Bergen (Consent and Follow-up)

    Montvale, New Jersey, 07645

  • Memorial Sloan Kettering Cancer Center (Consent and Follow-up)

    New York, New York, 10065

  • Memorial Sloan Kettering Nassau (Consent and Follow-up)

    Uniondale, New York, 11553

Other trials in United States

About this study

Official title: Integrative Profiling of Primary Breast Cancer on the Basis of Divergent Exercise Exposure

This study is designed to find out how engaging in regular exercise (or not) alters the biology of breast tumors as well as the normal tissue (if available) surrounding the tumor. The investigators hope that findings from this initial study will guide the design of future studies to examine how changes in exercise alter breast tumor biology.

Conditions
Breast Cancer
Being tested
Harvard Health Professionals survey, Blood draw, CPET Procedures, stool sample, Research Tissue sampling
Medical subject headings
Breast Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Harvard Health Professionals surveyBehavioural

    Participants will be asked a series of questions (using a validated questionnaire) to assess self-reported exercise exposure over the past 12 months.

  • Blood drawOther

    Participant will provide a blood sample

  • CPET ProceduresOther

    CPET with 12-lead ECG

  • stool sampleOther

    Research stool sample (within ±1 week of surgery), if possible

  • Research Tissue samplingProcedure or surgery

    Sample of the tumor and normal breast tissue may be taken from the tissue removed during breast cancer surgery if there is enough tissue left over for research testing.

Study groups in NCT03424915
Study groupRoleWhat they receive
Regular exercisers and non-exercising groups who have been diagnosed with breast cancerThere is no treatment on this study, it is a onetime assessment. exercisers: ≥120 minutes of vigorous-intensity aerobic exercise;There is no treatment on this study, it is a onetime assessment. non-exercisers: ≤ 30 minutes of moderate-intensity exercise per week.
Receives: Behavioral: Harvard Health Professionals survey; Other: Blood draw; Other: CPET Procedures; Other: stool sample; Procedure: Research Tissue sampling
Regular exercisers who are at high risk of developing breast cancer≥120 minutes of vigorous-intensity aerobic exercise;
Receives: Behavioral: Harvard Health Professionals survey; Procedure: Research Tissue sampling

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. differences in DNA somatic mutational profile

    Eight-μm-thick representative sections of the fresh-frozen sample will be microdissected with a needle under a stereomicroscope (Olympus SZ61), to ensure >70% of tumor cell content as previously described.(36) Matched germline DNA will be microdissected from adjacent normal breast tissue (if available) for each case; to avoid the possibility of morphologically appearing non-neoplastic cells harboring somatic mutations; we will prioritize the microdissection of stromal cells and avoid normal breast ducts and lobules.

    Measured: 2 years

  2. differences in RNA sequencing

    The initial analysis will focus on immune signatures (i.e., immune activation, as well as preexisting immune and related signatures) characterization using RNA-seq

    Measured: 2 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted7 Feb 2018
  2. Study start31 Jan 2018
  3. Primary completionJan 2027 (estimated)
  4. Study completionJan 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
42 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03424915
Sponsor's protocol ID
18-058
Status last verified
Oct 2026
First submitted
1 Feb 2018
Last updated
7 Oct 2026
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Breast Cancer, run by Memorial Sloan Kettering Cancer Center at 7 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 21 inclusion and 51 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 7 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 7 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

differences in DNA somatic mutational profile (time frame: 2 years). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Oct 2026.

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Clinical Trial NCT03424915 | AzTrials