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Motivational Interviewing for Weight Maintenance

18 Years
Not Enrolling
Breast Cancer

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Trial Information

Motivational Interviewing for Weight Maintenance

Women receiving chemotherapy for early stage breast cancer often gain weight and body fat,
and this contributes to the health burden that cancer survivors face. Weight gain is a
concern not only for overall health status, but also as a possible factor for risk of cancer
recurrence. Unfortunately achieving weight loss, after a gain has occurred, is difficult,
and there are no satisfactory methods for maintenance of weight loss. This study proposes
to design and test a novel telephone-based intervention for preventing weight gain during
treatment for breast cancer in a pilot, randomized study. The 12-month intervention will
target maintenance of current weight and prevention of body fat gain using counseling for
moderate exercise and a low-fat, high fruit-vegetable diet. The counseling approach will be
based on motivational interviewing techniques and will be delivered through telephone
appointments. Motivational interviewing is a client-centered type of counseling that elicits
active participation of the patient. By taking a more active role, patients may be more
likely to follow through with the recommended lifestyle changes. Study endpoints will
include blood markers of dietary compliance, pedometer steps, self-monitoring logs,
questionnaires (including quality of life) and anthropometric measures (including body fat
by DEXA). An important goal of the study is to establish recruitment methods and
demonstrate recruitment rates in newly diagnosed stage I-IIIA breast cancer patients. The
study data also will demonstrate implementation of the counseling approach and provide a
basis for sample size estimates for a larger trial. This type of intervention, namely a
combination of exercise and diet, has been indicated to have good potential for prevention
of recurrence. It is therefore necessary to develop effective methods for eliciting these

Inclusion Criteria:

- Adult female, age 18 and older

- Stage I, II, or IIIA breast cancer

- Scheduled for chemotherapy and completed no more than two weeks of chemotherapy

- Body mass index 25-45 kg/m2

- Stable body weight within 5 pounds in the past 2 months

- Physician approval for participating in a weight control program

- Willing and able to follow advice for exercise and diet quality

Exclusion Criteria:

- Previous invasive cancers, excluding basal cell carcinoma, in the past 10 years

- Following a medically-prescribed diet

- Currently participating in a formal weight loss program

- Medical conditions that preclude safe exercise

Type of Study:


Study Design:

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Supportive Care

Outcome Measure:

Change in body weight

Outcome Time Frame:

12 months

Safety Issue:


Principal Investigator

Zora Djuric, PhD

Investigator Role:

Principal Investigator

Investigator Affiliation:

University of Michigan


United States: Institutional Review Board

Study ID:




Start Date:

December 2007

Completion Date:

November 2011

Related Keywords:

  • Breast Cancer
  • chemotherapy
  • exercise
  • diet
  • fruit
  • vegetables
  • low-fat
  • Breast Neoplasms



University of MichiganAnn Arbor, Michigan  48109-0624