Dietary and Exercise Interventions in Reducing Side Effects in Patients With Stage I-IIIa Breast Cancer Receiving Aromatase Inhibitors

  • End date
    Jun 1, 2023
  • participants needed
  • sponsor
    Jonsson Comprehensive Cancer Center
Updated on 15 July 2021
breast cancer
exercise intervention
aromatase inhibitor
breast carcinoma
aromatase inhibition therapy
bone pain


This phase I/II trial studies how well dietary and exercise interventions work in reducing side effects in patients with stage I-IIIa breast cancer taking aromatase inhibitors. Anti-inflammatory Mediterranean dietary and bone strengthening exercise interventions may alleviate medication side effects such as joint and bone pain and protectively influence bone mineral density, improve heart functioning, and reduce risk of breast cancer recurrence in breast cancer patients taking aromatase inhibitors.



I. To recruit an ethnically, racially and culturally diverse sample of postmenopausal women diagnosed with estrogen receptor positive breast cancer who are currently taking aromatase inhibitor (AI), establish eligibility, and randomly allocate 20 participants to a two-arm parallel intervention trial.

II. Conduct baseline measurements of: body composition and bone mineral density, reported muscle and joint pain; inflammatory, cardiovascular and bone health markers contained in blood serum; and, cardiovascular function.

III. Conduct a three month anti-inflammatory dietary intervention in one arm, and bone strengthening exercise intervention in the other study arm.

IV. At completion of these 3-month interventions, evaluate changes since baseline of body composition, bone density, reported muscle and joint pain, and inflammatory and cardiovascular measurements within each intervention arm, and preliminarily contrast changes between intervention arms.

V. Utilize results from both intervention arms to design a larger 2x2 randomized factorial trial designed to assess effects of anti-inflammatory diet, effects of bone promoting exercise, and combined diet and exercise intervention effects on joint and muscle pain, inflammatory markers, bone mineral density, and cardiovascular measures.

OUTLINE: Patients are randomized to 1 of 2 arms.

ARM I: Patients receive a controlled anti-inflammatory diet over 12 weeks.

ARM II: Patients undergo controlled exercise sessions with a dedicated trainer 3 times a week for up to 1 hour each over 12 weeks.

After completion of study, patients are followed up at 1 week.

Condition Anatomic Stage I Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, pain, joint, joint pain, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage I Breast Cancer AJCC v8, Post-Surgical Pain, Prognostic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, arthralgias, Anatomic Stage IB Breast Cancer AJCC v8, Chronic Leg Pain, Arthralgia, Pain, Prognostic Stage IA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Pain (Pediatric), Postmenopausal, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8
Treatment questionnaire administration, Dietary intervention, exercise intervention
Clinical Study IdentifierNCT03953157
SponsorJonsson Comprehensive Cancer Center
Last Modified on15 July 2021


Yes No Not Sure

Inclusion Criteria

At least 6 months since breast cancer diagnosis up to 2 years since diagnosis
Diagnosed with localized breast cancer, up to stage IIIa
Has been taking aromatase inhibitor (AIs) for at least six months
Has been experiencing mild to moderate arthralgia (joint pain) for at least 2 months determined by the Brief Pain Inventory (BPI)
At least 6 months post chemotherapy or radiation treatment
Subjects must be in good health as determined by medical history, physical examination, iDXA scan and clinical laboratory measurements
Postmenopausal either natural or surgical or postmenopausal caused by ovarian suppression treatments administered to premenopausal women
Currently taking aromatase inhibitor medication

Exclusion Criteria

Diagnosed with metastatic breast cancer
Currently undergoing chemotherapy or radiation treatment
Food allergies of any kind, or any medical condition requiring mandatory dietary restrictions
A bone mineral density (BMD) T score less than -1, or fracture since taking AIs, or current use of glucocorticoids
Taking bisphosphonates or any other medication for bone loss
Significant cardiac, pulmonary, renal, liver or psychiatric disease
Currently undergoing or engaging in a regular exercise program
Muscular, orthopedic, or cardiovascular limitations that would prevent full participation in exercise
Body mass index (BMI) greater than 40 kg/m^2
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