Exercise Regimen for Breast Cancer

(Myo-EXERTBC Trial)

This trial examines how different exercise routines affect myokine production, proteins released by muscles, in women treated for breast cancer. Participants will join one of three groups: conditioning resistance training, hypertrophy resistance training, or strength resistance training. Women diagnosed with breast cancer, who have completed most treatments and have at least three months of guided resistance training experience, are well-suited for this study. As an unphased trial, this study provides a unique opportunity to enhance understanding of how exercise can aid recovery and improve health after breast cancer treatment.

Research has shown that resistance training is generally safe for breast cancer patients. Studies have found that this type of exercise can improve muscle mass and strength without causing significant harm. For example, one study found that resistance training is safe for women at risk of lymphedema, a condition where fluid builds up in the body.

Another study suggested that strength training helps manage symptoms and improve the quality of life for breast cancer survivors. It can even reduce fatigue and enhance physical function. Research focused on muscle growth through resistance training also suggests it is safe for breast cancer patients.

Researchers are excited about the exercise regimens being tested for breast cancer because they offer a non-invasive, holistic approach that differs from standard treatments like chemotherapy and radiation. The trial is exploring three types of resistance training: conditioning, hypertrophy, and strength, each designed to target different aspects of physical fitness. Unlike traditional treatments that focus on eradicating cancer cells, these regimens aim to improve patients' overall physical health, potentially enhancing quality of life and recovery. Additionally, these exercise programs might help reduce fatigue and improve muscle strength, offering a complementary approach to existing cancer therapies.

Research has shown that exercise can greatly benefit breast cancer patients in several ways. In this trial, participants will follow one of three exercise regimens: Conditioning Resistance Training, Hypertrophy Resistance Training, or Strength Resistance Training. Resistance training, which involves exercises that make muscles work against a weight or force, can slow the growth of breast cancer cells by 20-30%. This may help lower the risk of cancer recurrence. Studies also indicate that this type of exercise can increase muscle strength and reduce symptoms like lymphedema, which is swelling caused by fluid build-up. Additionally, strength training can improve overall strength and quality of life for breast cancer survivors, aiding in the recovery of physical abilities. Overall, these exercise routines can be crucial in improving health outcomes for those fighting breast cancer.⁶⁷⁸⁹¹⁰