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EXERT-BC Protein: Protein Supplementation to Improve Body Composition After Treatment for Breast Cancer

EXERT-BC Protein: Randomized Study of Protein Supplementation to Improve Body Composition Improvement During Hypertrophy Exercise After Treatment for Breast Cancer

Who can join

As published by the study on ClinicalTrials.gov. "Not stated" means the study hasn't said — ask the study team.

Age
20 Years to 89 Years
Sex
Female only
Healthy volunteers
Not accepted
Compensation
Not stated

Other requirements are listed under Eligibility below. Only the study team can confirm whether you can join.

What to expect

No one can promise a trial will help you personally — that is what the research is trying to find out.

What participation involves

Not stated in the study description — ask the study team about visits and procedures.

Compensation
Not stated
  • Study-related exams and procedures are typically provided at no cost. This is how many trials work in general — confirm the details for this study with the study team.
  • Participants are monitored closely by the research team throughout the study.
  • Some participants may receive access to an investigational treatment, which is still being studied.
  • Your participation helps researchers learn whether this approach could help future patients.

About this study

In plain language

This study tests whether a high dose of protein after each workout improves muscle mass and body fat more than exercise alone. It is for women who have had breast cancer treatment and have experience with strength training.

In this study, the investigators hypothesize that a high dose of post-workout protein after each exercise session will have greater improvements in changes in body composition, including muscle mass and percent body fat versus a workout alone.

Compensation is read from the study's own description and may be missing — always confirm with the study team.

Eligibility

Who can join

  • Women ages 20–89.
  • Have been prescribed exercise as part of usual care.
  • Have breast cancer confirmed by a tissue sample: DCIS (cancer inside the milk ducts) or invasive cancer (cancer that has spread into nearby breast tissue).
  • Have had breast cancer treatment, such as surgery, radiation, chemotherapy, immune therapy, or hormone therapy. Current immune therapy or targeted cancer drugs are allowed.
  • Have more than 3 months of strength training guided by a certified strength and conditioning specialist.
  • Can read and understand English and agree to join the study for themselves.

Who can't join

  • Currently getting chemotherapy for breast cancer.
  • The study leader decides group strength training would not be safe for you.
  • Have severe arthritis or a joint, heart, blood vessel, muscle, or bone condition that the study leader says makes strength training unsafe.
  • Take beta blockers or GLP-1 inhibitor medicines.
  • Are pregnant.
  • Are male.
  • Have lactose intolerance (trouble digesting milk sugar).
  • Are allergic to cow’s milk or whey, a protein in milk.

Simplified for readability. The official criteria below are what the study team uses.

Official eligibility criteria

Inclusion Criteria: 1. Age 20-89 years 2. Women prescribed exercise as a SOC 3. Women with a biopsy proven diagnosis of ductal carcinoma in situ (DCIS) or invasive carcinoma of the breast 4. Women must have undergone treatment for breast cancer, including one or more of the following: surgery, radiation therapy, chemotherapy, immunotherapy, or hormonal therapy. Women undergoing active chemotherapy are not allowed on study. Immunotherapy or targeted agent usage is allowed. 5. Women with \> 3 months of resistance training experience under expert guidance by a CSCS 6. Must be able to read and understand English and consent for themselves. Exclusion Criteria: 1. Any current treatment with cytotoxic chemotherapy for breast cancer 2. Inability to safely engage in group sessions of resistance training as deemed by study PI 3. Severe arthritic, joint, cardiovascular, or musculoskeletal condition deemed by PI to be unsafe to engage in resistance training 4. Beta blocker or GLP-1 inhibitor medications 5. Pregnant women 6. Males 7. Lactose intolerance 8. Cow's milk or whey protein allergy

Study sites (2)

PA